Will another country leave OPEC in 2026: the evidence and conditions to watch

What this event actually asks

The useful question is precise: Will another country leave OPEC in 2026? In the API observation at 09:57 UTC on 2026-10-04, the selected contract’s first listed outcome was priced at 17%. The parent event had recorded $187,867 in cumulative volume. This is turnover across the event, not a count of independent forecasters or proof that this outcome is correctly priced. ^[1][2]

The Yes condition is that another OPEC member officially announces its withdrawal from OPEC during the interval from market creation to December 31, 2026, 11:59 PM Gulf Standard Time. ^[2]

The exit announcement and its economic consequences are separate

OPEC publishes its member-country and organizational information separately from other cooperation arrangements. Assess the exact organization named in the withdrawal notice; disagreement over one production decision is not automatically an exit. ^[3]

This market counts an eligible member’s official withdrawal announcement, even if the departure takes effect later. Informal leaks are excluded. Check the membership baseline at market creation and whether an exit had already been announced before counting a country. ^[2]

A member can reassess the costs of coordination without immediately abandoning it. The evidence that matters for this market is a formal decision, while the effect on production and prices would depend on what happens after that decision.

Which evidence would change the assessment?

An authenticated official act or independently corroborated transfer of the particular authority named in the contract would strengthen the positive case.

A temporary absence, an announced future departure or a change in a different office may not meet the rule. Where de facto power matters, a formal title can also be an incomplete guide.

The rules distinguish the announcement date from the date a decision takes effect. ^[2]

The next useful checkpoint

Written-rule date: December 31, 2026; 11:59 PM (the timezone stated in the contract). The selected contract and any reporting grace period govern settlement. ^[2]

Our reading is conditional: compare the next primary record with the exact threshold above, then revisit the case if the evidence contradicts it. A high quoted chance does not establish certainty; a low quote does not make the event impossible. The value of the article is a clearer test of the claim, not an asserted trading advantage.