When will OPEC+ first announce a formal restructuring of its production-cooperation framework after the UAE’s exit?

• My median prediction for the first formal restructuring of the OPEC+ production-cooperation framework is 5th January 2027.
• The 41st Ministerial Meeting on June 7, 2026, is the first major opportunity for a restructuring announcement, specifically regarding the mandated Charter of Cooperation implementation plan.
• Current physical delivery constraints due to the Strait of Hormuz closure (down approx. 10 million bpd) have made production quotas “symbolic,” delaying the urgency for formal baseline renegotiations.
• Market participants see a 33% chance of another country leaving OPEC in 2026, which would independently trigger a formal restructuring resolution.
• Recent OPEC+ communications (May 3, 2026) emphasized a “business-as-usual” signal, suggesting structural changes will be deferred until market conditions normalize post-conflict.

Key figures

Historical context

OPEC+ has historically navigated the exit of several members, including Qatar (2019) and Angola (2024), without immediate formal restructuring of the Declaration of Cooperation (DoC). However, the UAE’s exit on May 1, 2026, is unprecedented in scale; the UAE was the third-largest producer in the alliance with a 3.5 million bpd quota and an estimated 4.85 million bpd capacity. Historically, the alliance has used Ministerial Meetings to codify framework changes, such as the 2019 Charter of Cooperation (CoC) and the 2020 compensation mechanism for overproduction. The current geopolitical environment—characterized by the US-Israel-Iran war and the 2026 Strait of Hormuz crisis—mirrors the supply shocks of the 1973 embargo and the 1979 revolution, but with the added complexity of a formal non-OPEC partnership (Russia) and a significant internal rivalry between the UAE and Saudi Arabia over long-term energy transition strategies.

Tailwinds

• The 6/7/2026 Ministerial Meeting has a pre-existing mandate to present the Charter of Cooperation (CoC) implementation plan, a prime vehicle for structural change.
• A 33% market-implied probability of another country exiting OPEC in 2026 suggests high potential for restructuring via membership shifts.
• The UAE’s aggressive 200 billion dirham investment plan signals a rapid post-exit production ramp-up that could force an OPEC+ response to maintain market share.
• Persistent divergence in fiscal breakeven prices ($65 for UAE vs. $80 for Saudi Arabia) creates long-term structural tension that favors a framework reset.
• Analysts (Foreign Policy, MEI) argue the UAE departure will catalyze broader restructuring as the organization’s current quotas no longer reflect physical market capacity.

Headwinds

• The 5/3/2026 OPEC+ communique showed a strong preference for continuity, making no mention of the UAE and maintaining existing voluntary adjustment paths.
• Physical export constraints from the Strait of Hormuz closure make current production quotas theoretical, reducing the immediate need for structural baseline revisions.
• High Brent crude prices (averaging over $115 in April 2026) reduce fiscal pressure on remaining members, allowing them to delay difficult structural negotiations.
• Internal rivalries, particularly between Saudi Arabia and the UAE, may prevent the “synchronization” required for a joint UAE-OPEC+ production policy (Criterion C).
• Historical institutional inertia often leads OPEC+ to issue pure quota-maintenance announcements rather than formal framework modifications.

Detailed reasoning

My analysis indicates that while the United Arab Emirates (UAE) exit is a historic disruption, the OPEC+ alliance has signaled a strong “business-as-usual” stance in the immediate aftermath. The May 3, 2026, virtual meeting purposefully avoided acknowledging the exit and maintained existing voluntary adjustments, suggesting the core leadership (Saudi Arabia and Russia) intends to prioritize market stability and group cohesion over immediate structural overhauls.

The primary catalyst for a “formal restructuring” is the 41st OPEC and non-OPEC Ministerial Meeting scheduled for June 7, 2026. This meeting is uniquely positioned because of a mandate from November 2025 to present a plan to convert the Charter of Cooperation (CoC) into formal programs. If this plan includes modifications to the Declaration of Cooperation (DoC) methodology, decision-making rules, or baseline assessment procedures, it would satisfy the resolution criteria. However, historical patterns show that OPEC often uses such transitions for procedural rather than substantive structural changes.

A second critical factor is the physical market reality. The de facto closure of the Strait of Hormuz since February 2026 has rendered production quotas largely symbolic for Gulf members who cannot physically export at their previous levels. With Saudi Arabian production falling to its lowest level since 1990 (approx. 6.3 million bpd in April 2026) and total OPEC production dropping by nearly 10 million bpd, there is little immediate utility in renegotiating collective baselines. I anticipate that formal restructuring—specifically the establishment of a new collective baseline with a net change of 500,000 bpd or more—will likely wait until the Strait reopens and physical delivery becomes possible again, creating a “return to normalcy” friction point.

Finally, external forecast signals, such as Polymarket’s 33% probability of another member leaving in 2026, suggest a significant risk of restructuring via membership changes (Criterion D). If a second major producer (e.g., Iraq or Kuwait) were to follow the UAE, the organization would be forced into an immediate, formal renegotiation of its framework. My forecast weights this cumulative risk heavily in the second half of 2026, ultimately placing the median prediction in early 2027 to account for the time needed to finalize these complex multilateral negotiations.

Key uncertainties

• A sudden reopening of the Strait of Hormuz would instantly restore the relevance of quotas and could accelerate a baseline restructuring.
• Further exits by major producers like Iraq or Kuwait would trigger immediate resolution under the “membership change” criteria.
• The exact content of the Charter of Cooperation implementation plan (scheduled for June 7) is unknown; it could be purely procedural or a major structural overhaul.
• Ongoing kinetic actions in the US-Israel-Iran war could further damage energy infrastructure, making any formal production framework irrelevant for years.
• The degree of behind-the-scenes cooperation between the UAE and Saudi Arabia remains opaque; a secret production-synchronization deal would only qualify if made public in an official communique.

Conclusion

• My median prediction for the first formal restructuring of the OPEC+ production-cooperation framework is 5th January 2027.
• The 41st Ministerial Meeting on June 7, 2026, represents the most significant short-term opportunity for a qualifying announcement due to a pre-existing mandate to formalize the Charter of Cooperation.
• High oil prices and physical export constraints in the Persian Gulf currently reduce the immediate pressure for quota renegotiations, likely pushing any major structural shift into late 2026 or early 2027.

Question: Will OPEC+ announce a formal restructuring (a ≥500,000 bpd baseline change or a formal DoC modification) on or before 12 Aug 2026? Both forecasters expect the 41st OPEC and non‑OPEC Ministerial Meeting on June 7, 2026, to be the most likely venue for a qualifying restructuring after the UAE’s May 1 exit. One model concentrates probability mass on June 7 with smaller peaks for early July and August and assigns ~25% to an open tail where only incremental month‑to‑month tweaks (e.g., ~188,000 bpd) occur and no formal change meets the 500,000 bpd threshold. The other model, citing industry analysis (The Middle East Insider), lays out three scenarios—proportional reallocation (50%), Saudi absorption of the UAE baseline (30%), and a geopolitically driven postponement to September (20%)—and places ~75% probability on a qualifying communique around June 7, ~3% on an unexpected in‑window action, and ~22% on delay past 12 Aug. In short, both teams agree June 7 is the likeliest opportunity for a formal restructuring, with a nontrivial (~20–25%) chance the decision is delayed or only small, non‑qualifying adjustments occur within the window.

Forecast and Reasoning

Forecast: Probability distribution:

• 5.00% chance of value below 2026-06-03 00:00:00 UTC
• 10.00% chance of value below 2026-06-06 00:00:00 UTC
• 20.00% chance of value below 2026-06-07 00:00:00 UTC
• 30.00% chance of value below 2026-06-09 00:00:00 UTC
• 40.00% chance of value below 2026-07-20 00:00:00 UTC
• 50.00% chance of value below 2026-08-20 00:00:00 UTC
• 60.00% chance of value below 2026-08-24 00:00:00 UTC
• 70.00% chance of value below 2026-08-27 00:00:00 UTC
• 80.00% chance of value below 2026-08-30 00:00:00 UTC
• 90.00% chance of value below 2026-09-01 00:00:00 UTC
• 95.00% chance of value below 2026-09-03 00:00:00 UTC

Forecast Reasoning

Key drivers are (i) the meeting schedule and (ii) how narrow the resolution’s definition of “formal restructuring” is.

1. Timing: The first major post-exit decision point that reliably produces official OPEC Secretariat communiques is the 2026-06-07 ministerial/JMMC cycle. If a qualifying restructuring happens in-window, it is most likely to be published on the meeting day or in the immediate days after (when communiques are typically released).

2. Qualification risk (why “meeting happens” ≠ “resolves”): The May 3 post-exit voluntary-group communique demonstrates OPEC+ can publish official statements without crossing the question’s thresholds. Many plausible June 7 outcomes (e.g., reaffirmations, extensions, procedural member-list updates, or a purely mechanical UAE removal from totals) would not qualify. To qualify under (a) they likely need to publish a new quota/baseline table that also modifies at least one non-UAE country’s quota (not just subtracting the UAE). Qualification under (b) (DoC framework methodology changes) is possible but uncertain; (c) (OPEC+-UAE co-signed synchronization) and (d) (another member exit/renegotiation) look lower-probability in this short window.

Synthesis of analyst views: Forecaster 2 appears to overweight the June 7 meeting producing a qualifying structural change, while Forecasters 1/4 may overweight OPEC inertia and the “non-qualifying communiqué” risk. My midpoint view is a concentrated chance of resolution around June 7–9, plus a smaller chance of a later in-window follow-up, but still a slight majority probability that no qualifying publication appears by the 2026-08-12 (open) deadline—represented by placing the median and higher percentiles past the bound.

An amateur forecast commonly (a) anchors almost entirely on the scheduled 2026-06-07 meeting date, treating any communique as “restructuring,” and/or (b) fails to represent the right-censored “>2026-08-12” outcome despite the deliberately strict criteria and open upper bound. This forecast explicitly prices the non-qualification risk (procedural updates, reaffirmations, mechanical UAE removal) and expresses substantial beyond-deadline probability mass by placing multiple percentiles strictly after the upper bound. Confidence in improvement is moderate: meeting timing is predictable, but whether the communique text crosses (a)–(d) thresholds is the main uncertainty.

Forecast rationale (numeric):

— Iteration 1 — The forecasts largely converge on June 7, 2026 as the first and most important opportunity for OPEC+ to make a formal announcement, because the 41st ministerial meeting / 66th JMMC is the first high-level venue after the UAE exit and already has a Charter of Cooperation implementation plan item on the agenda. That makes it the most plausible place for any qualifying framework change to be introduced.

Main reasoning patterns

• Agenda-driven timing: Analysts focus heavily on the fact that a formal restructuring would most likely be attached to an already scheduled ministerial/JMMC meeting rather than announced ad hoc.
• Substantive vs. procedural distinction: A recurring theme is that only a genuine change to the production-cooperation framework counts. Mere procedural updates, continuity language, quota maintenance, or administrative changes would not qualify.
• Institutional caution: OPEC+ is seen as preferring continuity and delay on politically difficult questions. Even if the issue is discussed in June, the group may avoid explicit acknowledgment of the UAE exit or defer a real restructuring.
• Structural mechanism for change: The most likely vehicle for a formal announcement is some combination of the CoC implementation plan, methodology updates, or related voluntary-adjustment decisions.

Areas of consensus

• June 7 is the key focal point and the strongest near-term candidate for a first announcement.
• If not then, the next plausible windows are July/August 2026 and, failing that, late 2026 or 2027 when baseline negotiations could naturally force a broader framework review.
• The forecasts agree that there is a meaningful chance of delay, so June is likely the first opportunity, but not a certainty for a qualifying restructuring.

Main disagreement

• The forecasts differ mainly on how likely June 7 is to produce a qualifying announcement versus only a non-committal procedural statement.
• Some place a strong mode on June 7, while others assign substantial probability to a long tail extending into later 2026 and beyond.

Overall synthesis

The collective view is that June 7, 2026 is the most likely first announcement date, but the outcome is uncertain because OPEC+ may choose to handle the UAE exit indirectly or postpone a formal framework rewrite. The central tension is between a clearly available institutional venue for change and the organization’s tendency to avoid decisive structural moves until later pressure forces them.

— Iteration 2 — Across the forecasts, the dominant view is that the first credible chance for a formal restructuring announcement is the June 7, 2026 OPEC+/ministerial meeting. The main reasons are:

• Timing: it is the first major scheduled post-exit forum and therefore the most natural venue for a structural announcement.
• Agenda signal: the meeting is expected to include a Charter of Cooperation implementation item / plan, which could be the vehicle for a formal framework change.
• Institutional logic: if OPEC+ is going to make a restructuring announcement, it is most likely to do so at a high-level, pre-planned ministerial setting rather than ad hoc.

At the same time, the models agree that the probability is far from certain because:

• The event definition is strict: only a real restructuring counts, not continuity language, procedural updates, quota extensions, or routine implementation steps.
• OPEC+ is seen as institutionally conservative and often avoids contentious structural shifts quickly.
• Baseline, methodology, and cooperation-framework changes are viewed as slow-moving and politically sensitive, making delay plausible.

Areas of consensus

• June 7, 2026 is the modal/peak date if a qualifying announcement happens in the near window.
• The most likely failure mode is delay, not cancellation: if June does not produce a formal restructuring, later formal meetings are the next candidates.
• There is a long right tail: substantive restructuring could be pushed to August or November 2026, or even beyond the forecast window into later baseline cycles.

Main disagreement

• The models differ mainly on how likely June 7 actually is:
  • Some assign a large spike there.
  • Others treat it as only a modest-to-moderate chance, with a substantial probability that no qualifying announcement occurs before the deadline.
• One view is more open to an early emergency or preparatory statement, while others think the organization will likely wait for a more formal and stable moment.

Bottom line

The shared reasoning is that June 7, 2026 is the key focal point, but the overall pattern is one of high uncertainty, strong institutional inertia, and a meaningful chance that the first formal restructuring announcement comes later than the earliest plausible venue.

— Iteration 3 — The forecasts broadly converge on the June 7, 2026 OPEC+ ministerial meeting as the first and most likely opportunity for a formal announcement of restructuring after the UAE’s exit.

Main reasons behind that view

• Timing: June 7 is the first scheduled high-level meeting after the exit, making it the earliest realistic venue for a collective decision.
• Agenda relevance: The meeting is expected to include discussion of the Charter of Cooperation / cooperation framework, which could provide the procedural basis for a restructuring announcement.
• Market and political pressure: High oil prices and the need to stabilize expectations increase the chance that leaders would use the meeting to address the framework.
• Potentially structural nature of the issue: The UAE exit is seen as creating pressure for a formal reallocation or redesign of quotas/baselines, rather than just a temporary operational adjustment.

Areas of consensus

• Strong concentration around June 7–8, 2026 if an announcement happens at all.
• The June meeting is viewed as the dominant near-term trigger.
• There is recognition that a formal restructuring would likely need at least some ministerial-level signaling or implementation language, not just routine procedural acknowledgment.

Areas of disagreement / uncertainty

• Probability of a qualifying announcement: estimates vary meaningfully, from roughly 25–30% to about 50%, reflecting uncertainty about whether the meeting would produce a formal enough decision.
• How strict the definition is: some reasoning excludes procedural or acknowledgement-only outcomes, meaning the event must clearly alter the cooperation framework to count.
• Delay risk: if no decisive action is taken in June, the restructuring could slip to August/September 2026, later in 2026, or even 2027+ if baseline-setting and internal assessments take time.

Overall synthesis

The collective reasoning is that June 7, 2026 is the key inflection point, but there is substantial doubt that OPEC+ will move quickly enough to produce a fully formal restructuring then. The most likely pattern is either:

1. an initial formal announcement at the June ministerial meeting, or
2. continued deferral, with the issue pushed into later technical or ministerial processes due to OPEC+’s preference for continuity and gradualism.

Summary of Forecasting Rationales

The rationales broadly agree that a formal restructuring of OPEC+’s production-cooperation framework in the near term is highly unlikely. Forecasters consistently anchor their reasoning on three main factors: historical base rates, severe physical market constraints, and the strict administrative definitions of upcoming OPEC+ meetings.

• Historical Precedent: Historically, the base rate for OPEC fundamentally restructuring its quota framework or baselines in direct response to a member state’s departure is virtually zero. Following past exits (such as Qatar, Ecuador, and Angola), the cartel has overwhelmingly opted to simply subtract the departing member’s quota from aggregate totals and roll over existing agreements. A structural overhaul is typically reserved for major demand shocks or scheduled baseline reassessments, not an individual exit.
• Geopolitical and Physical Constraints: Forecasters heavily emphasize the de facto closure of the Strait of Hormuz. Because significant volumes of Gulf oil are physically trapped by the maritime blockade, current production quotas are largely symbolic. Gulf producers cannot physically increase waterborne exports even if they were allocated the UAE’s vacated baseline. Consequently, there is zero practical or financial incentive for members to engage in contentious diplomatic negotiations over “paper quotas” that they cannot actually fulfill.
• The June 7 Ministerial Meeting: While the upcoming June 7 meeting is a focal point, the rationales highlight a critical distinction between the Charter of Cooperation (CoC) and the Declaration of Cooperation (DoC). The meeting’s agenda is focused on the CoC—a framework dedicated to technology, data sharing, and sustainability. Modifying the CoC does not alter the DoC, which legally governs production baselines and quotas. Therefore, the June 7 meeting is viewed as a red herring that will likely yield standard procedural extensions rather than a qualifying structural reform.
• Alliance Cohesion and Delaying Tactics: Despite the UAE’s departure, other major non-Gulf members (like Russia, Iraq, and Kazakhstan) have firmly reiterated their commitment to the cartel, mitigating contagion risk. OPEC+ leadership strongly prefers to project stability during crises. Instead of immediately overhauling the methodology, the group is expected to “kick the can down the road,” relying on temporary waivers and existing voluntary cuts until independent capacity audits set new 2027 baselines late in the year.

In conclusion, the consensus strongly anticipates that OPEC+ will avoid any formal, structural modifications to its quota frameworks until the acute geopolitical crisis subsides and scheduled capacity audits are completed, pushing any qualifying restructuring well beyond the immediate summer deadlines.

SUMMARY

Question: When will OPEC+ first announce a formal restructuring of its production-cooperation framework after the UAE’s exit? Final Prediction: Probability distribution:

• 10.00% chance of value below 2026-06-07 23:59:59 UTC
• 20.00% chance of value below 2026-07-04 00:00:00 UTC
• 40.00% chance of value below 2026-10-22 16:00:00 UTC
• 60.00% chance of value below 2027-09-04 00:00:00 UTC
• 80.00% chance of value below 2030-05-05 08:00:00 UTC
• 90.00% chance of value below 2033-11-14 00:00:00 UTC

Total Cost: extra_metadata_in_explanation is disabled Time Spent: extra_metadata_in_explanation is disabled LLMs: extra_metadata_in_explanation is disabled Bot Name: extra_metadata_in_explanation is disabled

Report 1 Summary

Forecasts

Forecaster 1: Probability distribution:

• 10.00% chance of value below 2026-06-07 23:59:59 UTC
• 20.00% chance of value below 2026-06-27 00:00:00 UTC
• 40.00% chance of value below 2026-07-22 00:00:00 UTC
• 60.00% chance of value below 2026-08-12 00:00:00 UTC
• 80.00% chance of value below 2026-08-12 00:00:00 UTC
• 90.00% chance of value below 2026-08-12 00:00:00 UTC

Forecaster 2: Probability distribution:

• 10.00% chance of value below 2026-06-07 23:59:59 UTC
• 20.00% chance of value below 2026-07-08 00:00:00 UTC
• 40.00% chance of value below 2026-12-01 00:00:00 UTC
• 60.00% chance of value below 2028-03-01 00:00:00 UTC
• 80.00% chance of value below 2031-06-01 00:00:00 UTC
• 90.00% chance of value below 2036-01-01 00:00:00 UTC

Forecaster 3: Probability distribution:

• 10.00% chance of value below 2026-06-07 23:59:59 UTC
• 20.00% chance of value below 2026-07-07 00:00:00 UTC
• 40.00% chance of value below 2026-12-15 00:00:00 UTC
• 60.00% chance of value below 2028-03-31 00:00:00 UTC
• 80.00% chance of value below 2032-12-31 00:00:00 UTC
• 90.00% chance of value below 2038-12-31 00:00:00 UTC

Research Summary

The research outlines the timeline and implications of the UAE’s exit from OPEC and OPEC+, which took effect on May 1, 2026. Following the UAE’s departure, the remaining member countries met virtually on May 3, 2026, where they agreed to increase production quotas without formally acknowledging the UAE’s exit or modifying the existing Declaration of Cooperation (DoC) framework. The upcoming 41st OPEC and non-OPEC Ministerial Meeting on June 7, 2026, is highlighted as a critical date, as it is expected to address the implementation plan for the Charter of Cooperation (CoC), which could potentially lead to formal restructuring if it modifies the existing framework.

The research also analyzes the likelihood of restructuring based on historical precedents, noting that previous member exits did not result in formal changes to OPEC’s structure. It identifies several factors that could influence the timing and nature of any potential restructuring, including the unprecedented scale of the UAE’s departure, ongoing geopolitical tensions, and the historical tendency of OPEC to favor gradualism over rapid change. Ultimately, the research suggests that the most probable outcome for any formal restructuring will occur after August 12, 2026, with June 7, 2026, being the most likely date for any qualifying event.

Sources used in the research include:

• Bloomberg
• Foreign Policy
• Middle East Institute

(Note: Specific links to sources were not provided in the original text.)

RESEARCH

Report 1 Research

Research Rundown: OPEC+ Formal Restructuring After UAE Exit

Key Events Timeline

April 28, 2026: The UAE announced withdrawal from OPEC and OPEC+, effective May 1, 2026, after 59 years of membership. Energy Minister Suhail Al Mazrouei described it as a “sovereign, strategic recalibration” driven by the gap between UAE’s ~3.4–3.5 million bpd OPEC quota and ADNOC’s ~5 million bpd capacity target for 2027. [1][2][5][8][24]

May 1, 2026: UAE exit takes effect. No formal OPEC Secretariat acknowledgment of the departure was published. [8][24]

May 3, 2026: The remaining 7 countries of the voluntary-adjustment group (Saudi Arabia, Russia, Iraq, Kuwait, Kazakhstan, Algeria, Oman) met virtually and agreed to a 188,000 bpd increase for June 2026. The official OPEC Secretariat communique [35]:

• Did NOT formally acknowledge the UAE’s exit
• Did NOT modify the Declaration of Cooperation framework
• Did NOT establish a new collective baseline
• Simply reaffirmed commitment to full conformity with the existing Declaration of Cooperation
• Characterized by media as a “continuity signal” and “business-as-usual” [25]

May 14, 2026 (current): Bloomberg reports OPEC+ plans to continue monthly quota increases through September to restore ~2/3 of the 1.65 million bpd 2023 cut. Saudi Arabia’s output fell to ~6.3 million bpd in April (lowest since 1990) due to the Iran-related Strait of Hormuz closure. The UAE’s exit mechanically removed ~144,000 bpd from the original cut plan. [20][32][34]

Upcoming Critical Date: June 7, 2026

The 41st OPEC and non-OPEC Ministerial Meeting and 66th JMMC are scheduled for June 7, 2026 in Vienna. This is the single most important date in the resolution window for two reasons:

1. Charter of Cooperation (CoC) Implementation Plan: At the 40th Ministerial Meeting on November 30, 2025, participating countries explicitly “request[ed] the OPEC Secretariat to develop a plan and convert it into programs to achieve the full objectives of the CoC… and present it to the 41st OPEC and non-OPEC Ministerial Meeting.” This is a pre-scheduled structural agenda item that could potentially qualify under criterion (b) if it modifies the framework’s methodology, conformity assessment, or decision-making rules. [Background info]

2. First Full Ministerial Post-UAE Exit: This would be the natural venue for any formal restructuring response—adjusting baselines, modifying the DoC, or announcing new cooperation frameworks. [11][12][13][32]

Prediction Markets

Note: No prediction market was found specifically addressing the question of “formal OPEC+ restructuring” as defined in the resolution criteria. The above markets are adjacent/related but don’t directly map to this question’s strict definition.

Base Rates & Reference Classes

Historical OPEC member departures and subsequent restructuring:

Base rate for formal restructuring after a member exit: 0/4 = 0% in recent history. However, the UAE is qualitatively different—it is the largest oil producer to ever leave OPEC, roughly 3–6x larger than any previous departure. [1][2]

OPEC structural reform cadence: Major structural agreements have been relatively rare:

• 2016: Declaration of Cooperation (original OPEC+ framework)
• 2019: Charter of Cooperation
• 2020: Emergency restructuring during Saudi-Russia price war (resolved within ~1 month, but this was a supply-side crisis, not a membership exit)

OPEC behavioral tendencies: The organization historically favors gradualism, ambiguity, and continuity signaling over rapid structural reform. The May 3 communique exemplified this—no acknowledgment of the UAE exit, standard language, and a mechanical quota adjustment. [25][35]

Analysis of Each Qualifying Criterion

(a) New baseline ≥500,000 bpd different (with non-UAE country quotas modified):

• The planned restoration of ~1.65 million bpd of 2023 cuts by September involves monthly incremental quota increases. If the June 7 or later meetings adjust country quotas beyond simply removing the UAE’s share, this could qualify. However, the current approach of ~188,000 bpd monthly increases appears mechanical and pre-planned, not a “restructuring.” The 500,000 bpd threshold is high.
• Assessment: Possible but unlikely in the window. The planned unwinding follows existing schedules.

(b) Formal modification to Declaration of Cooperation framework:

• The CoC implementation plan mandated for the June 7 meeting is the strongest candidate. If the Secretariat presents a plan that modifies the conformity assessment methodology, quota-allocation methodology, or decision-making framework, this could qualify.
• However, the question explicitly excludes simple extensions, temporal changes, and re-statements. The CoC plan may be presented as “achieving the full objectives” of the existing CoC rather than modifying its structure.
• Assessment: This is the most plausible pathway. The pre-existing mandate to present a CoC plan at the June 7 meeting creates a structural opening. But whether it constitutes a “modification” vs. an “implementation” of existing frameworks is ambiguous.

(c) Joint OPEC+-UAE production synchronization statement:

• UAE officials have emphasized sovereignty and independence. Minister Al Hashimy described the exit as driven by energy “weaponisation.” [9][10] The UAE is positioning itself for independent market engagement.
• No signals of any joint coordination framework between the UAE and OPEC+ post-exit.
• Assessment: Very unlikely within the window.

(d) Another OPEC member exit/suspension:

• Iraq, Kazakhstan, and Russia have denied plans to leave. [21][22]
• Metaculus gives 14% probability; Polymarket gives 33% for 2026 overall.
• Iran’s situation (active conflict) could theoretically trigger a formal membership change, but OPEC historically maintains membership through conflicts.
• Assessment: Low probability (roughly 10-15% within the specific May 15–Aug 12 window).

Key Factors Favoring Resolution Within the Window (i.e., before August 12)

1. Pre-mandated CoC plan delivery at June 7 meeting — a structural agenda item that predates the UAE exit but may be influenced by it
2. Unprecedented scale of the UAE departure — qualitatively different from Qatar/Angola exits
3. Geopolitical crisis (Hormuz closure) creating pressure for framework adaptation
4. Ongoing quota unwinding through September that may require baseline recalculation
5. Analysts at Foreign Policy and Middle East Institute arguing the UAE departure may catalyze broader restructuring [Background]

Key Factors Favoring Resolution AFTER August 12 (or never)

1. Historical base rate of 0% for restructuring after member exits
2. OPEC’s demonstrated continuity approach — the May 3 communique didn’t even mention the UAE
3. Very strict definitional criteria — many plausible actions are explicitly excluded (procedural acknowledgments, quota extensions, composition updates)
4. Hormuz closure reduces urgency — production increases are symbolic anyway, reducing pressure to restructure [29][31][34]
5. OPEC institutional culture favors gradualism and ambiguity over formal structural change
6. No signals from any OPEC official of impending restructuring
7. If the June 7 meeting is postponed beyond August 12, the most likely venue for restructuring disappears from the window

Summary Assessment

The most likely resolution appears to be “>8/12/2026” (no qualifying restructuring within the window), based on:

• 0% historical base rate for post-exit restructuring
• OPEC’s strong continuity signaling through May 14
• The extremely strict definitional criteria that exclude many plausible but incremental actions
• No concrete signals from OPEC officials of imminent framework changes

The highest-probability date for a qualifying event, if one occurs, is June 7, 2026 — the 41st Ministerial Meeting where the CoC implementation plan is scheduled for presentation. This is the only identified mechanism with a plausible pathway to meeting the strict restructuring criteria within the window.

A secondary possibility exists in July or early August if the June 7 meeting triggers a follow-up emergency or extraordinary meeting that produces a qualifying communique.

FORECASTS

R1: Forecaster 1 Reasoning

Conditioning on non-annulment, and assuming pre-2026-05-15 developments do not count.

I think the second critic’s correction is valid: I likely over-moved toward a pre-deadline qualifying event after the first critique. The key issue is that criterion (a), while mechanically tempting, still says “establishment of a new collective production baseline” and requires the action to be in direct or indirect response to the UAE exit. A routine phase-out of voluntary cuts may not be treated as a new structural baseline, especially if OPEC frames it as continuation of a pre-existing unwind schedule.

I still think the first critic identified a real trap: bland quota-allocation tables could qualify even without dramatic “restructuring” language, and the July cumulative-change path cannot be dismissed. If the remaining voluntary-adjustment countries publish an August production table that is more than 500 kbpd above the May 2026 implemented quota and modifies non-UAE country quotas, a literal resolver could see that as satisfying criterion (a). But I now put less weight on that path because:

• OPEC may avoid calling these levels “baselines” and instead frame them as temporary voluntary-adjustment returns.
• The planned unwind predates the UAE exit, weakening the “response to UAE exit” connection.
• The Charter-of-Cooperation agenda item could be mostly programmatic: studies, data sharing, consultations, or future workstreams rather than actual changes to conformity, compensation, quota allocation, or decision rules.
• Criterion (d) is narrower than adjacent markets suggest: Russia/Kazakhstan/Oman status changes do not directly count as OPEC-member exits, though they could matter under broader framework-modification language.

I continue to defend keeping substantial mass on June 7/8. It is the first full ministerial venue after the UAE exit, and the pre-scheduled CoC implementation plan creates a plausible vehicle for technical-but-qualifying reform. But I no longer think the total probability of a qualifying publication before the deadline should exceed 50%.

My updated rough mass:

• ~2% before the June 7 ministerial meeting.
• ~16% on/around June 7–8, via a substantive CoC plan, revised conformity/compensation methodology, or a ministerial framework adjustment.
• ~5% later in June from follow-up clarification or an extraordinary statement.
• ~16% in early July, mainly from the cumulative quota/baseline threshold path.
• ~6% later in July or early August from delayed quota-table qualification, emergency reform, or a formal member-status announcement.
• ~55% no qualifying publication by 2026-08-12T12:00Z.

So I move the median back to the deadline/default, while retaining more early-July probability than in my original forecast.

Updated prediction:
Percentile 0.1: 2026-05-16
Percentile 1: 2026-06-03
Percentile 5: 2026-06-08
Percentile 10: 2026-06-08
Percentile 20: 2026-06-27
Percentile 30: 2026-07-07
Percentile 40: 2026-07-22
Percentile 50: 2026-08-12
Percentile 60: 2026-08-12
Percentile 70: 2026-08-12
Percentile 80: 2026-08-12
Percentile 90: 2026-08-12
Percentile 95: 2026-08-12
Percentile 99: 2026-08-12
Percentile 99.9: 2026-08-12

R1: Forecaster 2 Reasoning

I agree with much of the critic’s pushback. My prior forecast probably put too much weight on the June 7 Charter-of-Cooperation agenda item as if “structural-sounding” would likely become “formally qualifying.” The official-text requirement is strict, and OPEC communiques often use vague continuity language even when internal bargaining is intense. The critic is also right that the “direct or indirect response to the UAE exit” condition weakens the case for counting a pre-planned CoC implementation plan unless it explicitly changes conformity, compensation, quota allocation, or decision rules in a way the resolver can connect to the post-UAE framework.

I still think June 7 remains the dominant event date if there is a qualifying announcement. It is the first full ministerial after the UAE exit, and the Secretariat was already tasked with presenting a CoC implementation plan. If OPEC+ wants to formalize a revised cooperation framework, that is the natural venue. But I am lowering the probability that the June 7 communique actually crosses the resolution threshold.

I am not lowering too far, mainly because of two residual risks:

1. Criterion (a) ambiguity: If OPEC+ publishes a new quota/baseline table after cumulative voluntary-adjustment unwinds exceed 500 kbpd relative to the May 2026 baseline, a literal reading could count this even if market observers call it routine. I think the intended resolution likely excludes ordinary unwinding unless framed as a new baseline, but it is a real resolver-risk.
2. Compliance-methodology pathway: Rather than a sweeping “new OPEC+,” a narrower change to compensation schedules or conformity assessment for overproducers could qualify under criterion (b), especially if framed as strengthening the remaining coalition after the UAE departure.

My updated in-window probability is now about 27–28%, down from roughly one-third. Most of that is concentrated around June 7–10, with a smaller secondary cluster around early July/early August quota-review communications. The default “no qualifying publication by 8/12” remains the most likely outcome, around 72–73%.

Updated prediction:
Percentile 0.1: 2026-05-16
Percentile 1: 2026-05-30
Percentile 5: 2026-06-08
Percentile 10: 2026-06-08
Percentile 20: 2026-07-08
Percentile 30: 2026-09-20
Percentile 40: 2026-12-01
Percentile 50: 2027-06-15
Percentile 60: 2028-03-01
Percentile 70: 2029-06-01
Percentile 80: 2031-06-01
Percentile 90: 2036-01-01
Percentile 95: 2042-01-01
Percentile 99: 2060-01-01
Percentile 99.9: 2080-01-01

R1: Forecaster 3 Reasoning

The critic’s objections are persuasive on the main calibration issue. I still think the original qualitative shape was right — no qualifying action is the single most likely outcome, and June 7 remains the most important single date — but I agree I put too much probability on the June ministerial meeting producing a resolution-worthy “formal restructuring.”

Key updates:

1. Lower probability that the June 7 CoC plan qualifies.
   The scheduled Charter-of-Cooperation implementation plan could easily be administrative or programmatic rather than a modification of the Declaration-of-Cooperation production framework. Unless it changes quota allocation, conformity/compensation methodology, or decision rules, it likely does not satisfy criterion (b). Also, because the CoC item predates the UAE exit, a generic adoption without any UAE-related framing is less clearly “in response” to the exit.

2. More weight on July / early August technical quota-path risk.
   The best remaining in-window pathway may be criterion (a): if continuing monthly increases produce a published OPEC+ quota table whose collective reference level is ≥500 kbpd different from the May 2026 implemented level and includes non-UAE quota changes. I remain uncertain whether ordinary unwinding of voluntary cuts would be treated as a “new collective production baseline,” but this is a real resolution-risk path, especially around early July or early August.

3. Another-country exit remains a low but nonzero tail.
   Given war conditions and intra-OPEC tensions, criterion (d) cannot be ignored, but strict official-publication requirements and OPEC’s tendency to maintain membership through crises push this down to high-single-digits within the window.

4. Overall in-window probability revised down.
   I now put the probability of a qualifying publication by 2026-08-12 12:00 UTC at roughly 34–35%, down from about 40–45%. The modal outcome remains the deadline-default “>8/12/2026.”

Conditioning on the question not being annulled, my updated distribution puts meaningful mass on June 7/8, more mass than before on July/early August, and the remaining majority after the resolution cutoff.

Updated prediction:
Percentile 0.1: 2026-05-18
Percentile 1: 2026-06-01
Percentile 5: 2026-06-08
Percentile 10: 2026-06-08
Percentile 20: 2026-07-07
Percentile 30: 2026-08-06
Percentile 40: 2026-12-15
Percentile 50: 2027-06-30
Percentile 60: 2028-03-31
Percentile 70: 2029-12-31
Percentile 80: 2032-12-31
Percentile 90: 2038-12-31
Percentile 95: 2045-12-31
Percentile 99: 2060-12-31
Percentile 99.9: 2080-12-31

Agent Forecast (date, confidence: medium)

• After Aug 12, 2026: 69.0%
• Jun 06, 2026 to Jun 17, 2026: 18.0%
• Jun 17, 2026 to Jun 28, 2026: 3.0%
• Jul 09, 2026 to Jul 21, 2026: 2.0%
• Jun 28, 2026 to Jul 09, 2026: 2.0%

Base Rate: 0/4 formal DoC restructurings after OPEC member exits in the modern era (Angola December 2023, Ecuador 2020, Qatar 2019, Indonesia 2016). Adjusted upward modestly from this base rate because the 40th meeting pre-approved a specific structural mechanism (2027 baseline methodology) that is mandated for June 7 discussion — an unprecedented pre-loaded structural agenda item compared to prior post-exit meetings.

Initial Reasoning:

• The June 7, 2026 41st OPEC and non-OPEC Ministerial Meeting (Jun 06–Jun 17 bin) is the dominant opportunity for a qualifying event, as it carries a mandated Charter of Cooperation implementation plan and may address 2027 MSC-based baselines.
• However, the resolution criteria’s bar for ‘formal restructuring’ is extremely high and specific.
• The CoC (July 2019) and DoC (December 2016) are separate documents, so the mandated CoC plan presentation is unlikely to constitute a ‘formal modification to the Declaration of Cooperation framework’ per criterion (b).
• Criterion (a) requires a ≥500,000 bpd change to the 2026 reference level — very unlikely as any June 7 baseline changes would be forward-looking for 2027.
• Criterion (c) is nearly impossible given UAE’s explicitly independent posture.
• Criterion (d) (another member exit) carries ~4% probability across the window given volatile geopolitics.
• The historical base rate is 0/4 formal DoC restructurings after member exits in the modern OPEC+ era, and the May 3 communiqué sent a powerful ‘business as usual’ signal.
• TAIL JUSTIFICATION: The historical base rate for OPEC formally restructuring its Declaration of Cooperation framework after a member exit is 0 in 4 precedent cases (Angola 2024, Ecuador 2020, Qatar 2019, Indonesia 2016).
• The resolution criteria explicitly exclude procedural acknowledgments, and OPEC has never formally modified the DoC in its 10-year history.
• The ongoing Hormuz closure makes all quota decisions largely symbolic, reducing urgency for structural reform.
• The Charter of Cooperation plan — the only pre-scheduled structural agenda item — is a separate document from the DoC and unlikely to trigger any of the four qualifying criteria.

Key Uncertainties:

• Whether the June 7 communique publishes specific methodology details for the new 2027 baseline mechanism (criterion b trigger) versus only announcing implementation in general terms
• Whether the Strait of Hormuz closure persists through June 7, increasing pressure for emergency Secretariat structural action
• Whether the CoC implementation plan presented June 7 contains explicit DoC framework modifications or remains a parallel aspirational document
• Whether Iran’s active-war status triggers a formal change-of-status announcement under criterion (d)

Evidence Sources (8):

• OPEC Press Release May 3, 2026
• 40th OPEC and non-OPEC Ministerial Meeting Press Statement, November 30, 2025
• OPEC pledged to remain cooperative in Angola’s departure - OilMENA
• What Does the UAE’s Departure Mean for OPEC+? - Middle East Institute
• Saudi Aramco CEO on Hormuz - CNBC, May 11, 2026
• UAE to exit OPEC - Yahoo Finance/Reuters, April 28, 2026
• UAE Exit from OPEC Analysis - Argus Media/Discovery Alert, May 11, 2026
• Charter of Cooperation - OPEC.org

Grounding Facts (passed to reviewers): Here are 7 key grounding facts:

1. The May 3, 2026, communiqué for the 7-country voluntary-adjustment group made no mention of the UAE’s exit, no modification to the Declaration of Cooperation (DoC) framework, and no change to any collective baseline.
2. Historically, OPEC did not formally restructure its Declaration of Cooperation (DoC) framework after previous member exits, including Angola in December 2023, Ecuador in 2020, Qatar in 2019, or Indonesia’s suspension in 2016.
3. On April 28, 2026, the UAE Energy Minister stated that the UAE decided to leave OPEC unilaterally, without consultation, to gain flexibility, with ADNOC announcing $55 billion in growth projects for 2026-2028.
4. The Strait of Hormuz has been de facto closed since early March 2026, with only 2-5 ships passing per day compared to 70 before the war, severely disrupting the tanker fleet.
5. OPEC+ production fell by 1.59 million bpd in April 2026 from March due to the Hormuz closure, making quota decisions largely symbolic.
6. Saudi Aramco CEO Amin Nasser stated on May 11, 2026, that the oil market will not normalize until 2027 if the Hormuz disruption persists past mid-June 2026.
7. The 40th OPEC and non-OPEC Ministerial Meeting on November 30, 2025, mandated the reaffirmation of the Charter of Cooperation (CoC) and requested the OPEC Secretariat to develop a plan for its objectives, also approving a new mechanism for assessing 2027 production baselines for DoC countries.

Draft: After Aug 12, 2026: 78.0%, Jun 06, 2026 to Jun 17, 2026: 13.0%, Jun 17, 2026 to Jun 28, 2026: 2.0%, Jun 28, 2026 to Jul 09, 2026: 2.0%, Aug 01, 2026 to Aug 12, 2026: 1.0%

Reviewer Panel:

Reviewer (reasoning)

The forecast underestimates the likelihood that the June 7–17 41st Ministerial Meeting’s mandated Charter of Cooperation implementation plan will entail formal modifications to the Declaration of Cooperation framework, qualifying under criterion (b). It treats the CoC plan as wholly separate from the DoC despite overlapping methodologies and ignores the acute market pressure from the Hormuz closure that could spur an ad hoc Secretariat communique before August. Its reliance on a 0-in-4 historical base rate without adjusting for unprecedented disruptions and the UAE’s unilateral exit is the weakest link.

Objections:

• The April 28 mandate for an OPEC Secretariat plan to fulfill Charter of Cooperation objectives likely requires changes to conformity assessment or quota‐allocation methodologies—exactly a ‘‘formal modification to the Declaration of Cooperation framework’’ under criterion (b).
• The forecast ignores the risk of an urgent, mid‐window Secretariat press release in direct response to the Strait of Hormuz closure, which could restructure the compensation schedule or decision‐making framework before the scheduled ministerial meeting.
• It overweights past exit precedent (0/4 restructurings) without accounting for the unique market disruption and political dynamics following the UAE’s unconsulted departure, which raise the restructuring probability significantly.

Reviewer (calibration)

The draft forecast may underestimate the likelihood of a qualifying event at the June 7, 2026, 41st Ministerial Meeting. While it correctly distinguishes the CoC from the DoC, it does not fully address how Grounding Fact 7 – the approval of a “new mechanism for assessing 2027 production baselines for DoC countries” – could trigger criterion (b) as a “modification to the quota-allocation methodology.” The forecast’s high probability for no resolution (>78%) appears overly confident given this specific, pre-approved structural agenda item.

Objections:

• The forecast dismisses the “new mechanism for assessing 2027 production baselines for DoC countries” (Grounding Fact 7) too quickly for criterion (b). A “new mechanism” implies a change in methodology, which could directly fit “modification to the quota-allocation methodology” under (b), even if it’s for 2027 baselines.
• The forecast’s reasoning for excluding criterion (a) because 2027 baselines don’t affect 2026 reference levels is sound, but this does not preclude the methodology change for 2027 baselines from qualifying under criterion (b).
• The forecast’s heavy weighting on “no resolution” beyond Aug 12, 2026, might be an overestimation, failing to adequately factor in the specific pre-approved item from Grounding Fact 7 that strongly aligns with a “formal restructuring” under (b).

Reviewer (fact-checker)

1 factual error(s). 7 unsupported claim(s). Verdict: minor_issues

Unsupported claims:

• June 7, 2026 41st OPEC and non-OPEC Ministerial Meeting (Jun 06–Jun 17 bin)
• Criterion (a) requires a ≥500,000 bpd change to the 2026 reference level
• CoC plan presentation unlikely to constitute a ‘formal modification to the Declaration of Cooperation framework’ per criterion (b)
• Criterion (c) is nearly impossible given UAE’s explicitly independent posture
• Criterion (d) (another member exit)
• OPEC has never formally modified the DoC in its 10-year history
• The Charter of Cooperation plan — the only pre-scheduled structural agenda item

Objections:

• [minor] Angola 2024 (as part of the 4 precedent cases of member exits: Angola 2024, Ecuador 2020, Qatar 2019, Indonesia 2016) — Corpus says: [base_rate] OPEC pledged to remain cooperative in Angola’s departure - OilMENA: ‘After Angola exited OPEC in December 2023’

Adjustment Rationale:

Shifted probability mass from the >Aug-12 tail (0.78 → 0.69) into the June 6-17 bin (0.13 → 0.18) because the calibration reviewer correctly identified that Grounding Fact 7 — the 40th meeting’s approval of a ‘new mechanism for assessing 2027 production baselines for DoC countries’ — has stronger criterion (b) implications than my draft acknowledged. A ‘new mechanism’ for quota-allocation is, by the resolution criteria’s own language, a modification to ‘the quota-allocation methodology,’ which is explicitly named under (b). If the 41st Ministerial Meeting on June 7 formalizes or publishes this mechanism, it could qualify even though the actual baseline values are forward-looking for 2027. Smaller upward adjustments to mid-window bins reflect the reasoning reviewer’s valid (if speculative) point that the ongoing Hormuz closure increases pressure for ad-hoc Secretariat action. I held back from the ensemble’s 42.5% because (i) the resolution criteria require modifications that ‘alter the structural basis of cooperation, not its temporal duration’ — a high bar; (ii) OPEC’s drafting tradition is to announce baselines without disclosing methodology specifics, which could leave the mechanism’s formal status ambiguous; (iii) the historical base rate of 0/4 formal DoC restructurings after member exits (Angola Dec 2023, Ecuador 2020, Qatar 2019, Indonesia 2016) remains a strong prior; and (iv) criteria (a), (c), and (d) remain individually unlikely.

forecast_sdk | 410.7s | research $0.5972 + reviewers $0.0123 + reconcile $0.2036 = $0.8132

Extracted Date Percentile Values: {0.1: 1778976000.0, 1.0: 1779926400.0, 5.0: 1780617600.0, 10.0: 1780790400.0, 15.0: 1780790400.0, 20.0: 1780790400.0, 25.0: 1780790400.0, 30.0: 1780876800.0, 35.0: 1781395200.0, 40.0: 1784073600.0, 45.0: 1786147200.0, 46.0: 1786579200.0, 47.0: 1786838400.0, 48.0: 1787097600.0, 49.0: 1787443200.0, 50.0: 1787875200.0, 51.0: 1788480000.0, 52.0: 1789171200.0, 53.0: 1790035200.0, 54.0: 1791158400.0, 55.0: 1792454400.0, 60.0: 1795564800.0, 65.0: 1799971200.0, 70.0: 1805068800.0, 75.0: 1811808000.0, 80.0: 1819756800.0, 85.0: 1827619200.0, 90.0: 1843430400.0, 95.0: 1861920000.0, 99.0: 1893456000.0, 99.9: 1924992000.0}

Model’s Answer:

Forecasting Analysis: OPEC+ Framework Restructuring Timing

Situational Assessment

The UAE’s exit from OPEC effective 5/1/2026 represents the largest producer departure in OPEC history. However, critical evidence shows OPEC+ is deliberately pursuing a continuity strategy:

Key Evidence:

• The 5/3/2026 meeting explicitly avoided acknowledging the UAE’s exit
• No modification to Declaration of Cooperation framework
• No new collective baseline established
• Media characterized the outcome as a “continuity signal”
• OPEC Secretariat communiques have not formally acknowledged the UAE exit through 5/14/2026

Focal Point Analysis: June 7, 2026 Meeting

The 41st OPEC and non-OPEC Ministerial Meeting on 6/7/2026 is the highest-probability date for any formal restructuring within the resolution window because:

1. The Charter of Cooperation implementation plan is a pre-scheduled agenda item (mandated 11/30/2025)
2. This provides a formal vehicle for subsection (b) framework modifications
3. It’s the next natural decision point for OPEC+

However, this CoC plan was scheduled before the UAE exit, creating ambiguity about whether its adoption would qualify as “in response to” the UAE departure.

Critical Assumptions & Failure Analysis

Assumption 1: OPEC+ will maintain its current continuity posture

• Probability of failure: ~35-40%
• The 5/3 meeting strongly signals continuity preference
• But external pressure (Hormuz, prices, member concerns) could force change

Assumption 2: The 6/7 meeting will proceed as scheduled

• Probability of failure: ~5%
• Geopolitical disruption (US-Israel-Iran war) could postpone

Assumption 3: No other OPEC member will exit before 8/12/2026

• Probability of failure: ~3-5%
• Iraq and Kazakhstan have chronic issues but unlikely to exit imminently

Probability Distribution

Within Resolution Window (5/15-8/12): ~43%

• Pre-6/7 emergency announcement: ~2%
• 6/7 meeting announcement: ~25%
• Post-6/7 follow-up (June): ~8%
• July developments: ~5%
• August 1-12: ~3%

After Resolution Deadline (>8/12/2026): ~57%

• OPEC+ has strong institutional inertia
• Strait of Hormuz closure reduces urgency for formal quota changes
• The high bar for “formal restructuring” per resolution criteria makes procedural acknowledgments insufficient

Earlier Resolution Scenario

An earlier resolution (before 6/7) would require an emergency ministerial meeting or unscheduled OPEC Secretariat statement announcing framework changes. This could occur if:

• Strait of Hormuz suddenly reopens, creating immediate capacity management pressure
• Another OPEC member signals departure (triggering subsection d)
• Saudi Arabia unilaterally announces framework changes

Likelihood: ~3%

Later Resolution Scenario

A resolution after 8/12/2026 (or never) would occur because:

• OPEC+ continues its “playing it cool” strategy
• Physical export constraints from Hormuz closure make framework changes practically irrelevant
• Member countries prefer informal coordination over formal restructuring
• The 6/7 CoC plan is adopted but doesn’t meet the resolution criteria for “formal restructuring”

Likelihood: ~57%

Final Rationale

The distribution heavily weights two outcomes: the 6/7 meeting date (concentrated ~25% probability) and dates beyond the resolution window (~57%). The intermediate dates reflect modest probability of follow-up announcements or developments between meetings.

The median falls just after the 8/12 deadline, reflecting my assessment that OPEC+ will likely maintain its continuity posture through the resolution window. The concentration around 6/7 reflects that if restructuring happens, it will most likely occur at that scheduled meeting.

Wide confidence intervals account for significant uncertainty about whether the CoC implementation plan qualifies as “in response to” the UAE exit and whether OPEC+ leadership will shift from continuity to formal restructuring.

Percentile .1: 2026-05-17 Percentile 1: 2026-05-28 Percentile 5: 2026-06-05 Percentile 10: 2026-06-07 Percentile 15: 2026-06-07 Percentile 20: 2026-06-07 Percentile 25: 2026-06-07 Percentile 30: 2026-06-08 Percentile 35: 2026-06-14 Percentile 40: 2026-07-15 Percentile 45: 2026-08-08 Percentile 46: 2026-08-13 Percentile 47: 2026-08-16 Percentile 48: 2026-08-19 Percentile 49: 2026-08-23 Percentile 50: 2026-08-28 Percentile 51: 2026-09-04 Percentile 52: 2026-09-12 Percentile 53: 2026-09-22 Percentile 54: 2026-10-05 Percentile 55: 2026-10-20 Percentile 60: 2026-11-25 Percentile 65: 2027-01-15 Percentile 70: 2027-03-15 Percentile 75: 2027-06-01 Percentile 80: 2027-09-01 Percentile 85: 2027-12-01 Percentile 90: 2028-06-01 Percentile 95: 2029-01-01 Percentile 99: 2030-01-01 Percentile 99.9: 2031-01-01

OPEC+ decision architecture privileges ministerial venues and formal communiques for rule changes, creating procedural inertia.

The existing 2026 framework was officially reaffirmed and a 2027 capacity-baseline mechanism is already the institutional path for major baseline work, narrowing immediate legal impetus to rewrite rules.

The UAE exit is a systemic shock because it removes a large Gulf producer whose available capacity substantially exceeded its former quota.

Acute market stress—elevated prices and constrained Gulf flows—increases pressure for coordination while reducing the operational value of an immediate quota overhaul.

Ministers meet on June 7 with a Charter-of-Cooperation agenda item, making that meeting the primary pivot where formal restructuring could be declared.

Absent explicit changes to baselines, allocation, conformity, or decision rules, ministers can lawfully defer substantive redesign into the 2027 process and issue non-qualifying, programmatic language.

A single sentence in a communique can convert routine Charter language into a restructuring if it alters quota mechanics or compensation rules, so textual detail is decisive and uncertain.

Geopolitical variables—Strait transit status, Gulf production recoveries, and Saudi–UAE dynamics—drive path dependence and leave substantial residual uncertainty about near-term formal restructuring.

Forecast: No P50 (Unresolved)

Key findings:

• The Charter of Cooperation implementation plan due June 7 is unlikely to trigger a “formal restructuring”—it’s designed as a dialogue platform, not a quota-management overhaul. This was the primary mechanism for near-term resolution.

• Probability of a qualifying restructuring announcement by August 12 is estimated at 22–30%, driven mainly by a small chance Saudi Arabia uses the June 7 meeting to push through independent changes, or another member exits before the deadline.

• No emergency OPEC+ meeting is planned between now and June 7; the June 7 gathering remains the next scheduled event and the most likely resolution point.

• Beyond August, the next structural trigger would likely be the MSC audit completion in September 2026, pushing substantial probability mass into late 2026 and beyond.

• The distribution shows a modest spike around June 7–9, thin spread through summer, then heavy concentration in fall 2026 onward. Confidence in this assessment is medium—the CoC analysis is solid, but whether Saudi Arabia might pursue restructuring independent of the mandated agenda remains a judgment call.

Forecast (percentiles, aggregated):

• p10: 2026-06-07
• p25: 2026-06-08
• p50: 2026-09-30
• p75: 2027-02-15
• p90: 2027-08-01

Per-model forecasts:

• 1: p10=2026-06-07, p25=2026-06-08, p50=2026-10-01, p75=2027-03-15, p90=2027-10-01
• 2: p10=2026-06-05, p25=2026-06-07, p50=2026-08-20, p75=2026-12-01, p90=2027-06-01
• 3: p10=2026-06-01, p25=2026-06-07, p50=2026-06-08, p75=2026-06-30, p90=2026-08-05

Rationale: Summary The United Arab Emirates’ departure from OPEC on May 1, 2026, marks the largest producer exit in the organization’s history, removing roughly 3.5 million barrels per day in quotas. However, a formal, structural overhaul of the OPEC+ production framework is likely to take considerable time. The next major inflection point is the June 7, 2026, OPEC+ Ministerial Meeting, which will be the first full-format gathering without the UAE. While this meeting is scheduled to review a Charter of Cooperation implementation plan, OPEC’s institutional inertia heavily favors continuity over rapid structural modifications. Furthermore, the threshold for what constitutes a “formal restructuring” is exceptionally strict: temporary quota extensions or the simple mathematical removal of the UAE’s share do not qualify. The organization must negotiate entirely new collective baselines involving other members or significantly alter fundamental decision-making methodologies. Early communications have already signaled a desire to maintain the status quo. Consequently, while there is a meaningful chance that acute geopolitical pressures force a structural change by early summer, the most probable outcome is that formal, qualifying restructuring will be delayed until late 2026 or into 2027 as the bloc gradually digests the exit.

Strongest Arguments for Sooner

• The June 7, 2026, Ministerial Meeting provides an immediate, scheduled platform for structural changes, explicitly featuring an agenda item to review the Charter of Cooperation implementation plan.
• The sheer scale of the UAE’s “orphaned” ~3.5 million bpd quota creates intense mechanical pressure to formally reallocate baseline targets among the remaining members.
• Extreme geopolitical volatility, including the active regional war, the de facto closure of the Strait of Hormuz, and Brent crude prices spiking well over $100 per barrel, could force an immediate strategic realignment within the remaining OPEC+ coalition.

Strongest Arguments for Later

• OPEC’s May 3 communique deliberately ignored the UAE’s exit and made no changes to the Declaration of Cooperation, telegraphing the bloc’s strong preference for projecting continuity rather than rushing into structural shifts.
• The requirements for a formal restructuring are highly restrictive; procedural country-list updates, maintaining current quotas, or mechanically subtracting the UAE’s share without modifying other nations’ quotas do not meet the threshold.
• Because the Strait of Hormuz closure currently prevents Gulf members from physically increasing their exports, existing production quotas are largely symbolic, removing the immediate practical urgency to negotiate new framework agreements.

Key Uncertainties

• The duration of the Strait of Hormuz disruption, as a partial reopening would suddenly reintroduce physical capacity constraints and increase the urgency to restructure paper quotas.
• The extent to which Saudi Arabia is willing to absorb the UAE’s structural absence without friction, or whether the escalating rivalry will trigger a broader internal battle for quota reallocation.
• Whether the forthcoming Charter of Cooperation implementation plan contains substantive, binding changes to the underlying Declaration of Cooperation, or if it remains purely aspirational.