US-Iran Final Nuclear Deal by December 31, 2026?

As of November 9, 2026, Polymarket prices “US-Iran Final Nuclear Deal by December 31, 2026?” at 12% YES with $4.3M traded. No tracked wallet holds a position on this market, so there is no verdict.

Prediction markets put the probability at 12%: US-Iran Final Nuclear Deal by December 31, 2026. Currently, markets see this as unlikely (12% YES). A trader on Sunday bought $15,123 of No shares at 64% odds on Polymarket’s question of whether the U.S.

What’s Happening

The outlook for a US-Iran final nuclear deal by December 31, 2026 has deteriorated sharply following the expiration of the June 17 memorandum of understanding signed by President Donald Trump and Iranian President Masoud Pezeshkian. That accord, which set a 60-day timeline for resolving the nuclear program dispute, lapsed on Monday with neither side signaling willingness to extend it, and both parties have accused the other of violations for weeks. The MoU had secured Iran's reaffirmation that it would not pursue a nuclear weapon, but the collapse of the framework leaves the diplomatic track without a formal structure as of mid-August 2026. [Al Jazeera, Aug 16]

Military tensions have escalated in parallel, with Trump confirming fresh limited US strikes on Iran on November 7 as Qatar pursued a separate nuclear mediation effort. The same day, a trader placed a $10,000 bet that the US would invade Iran before 2027, while another bought $15,123 of No shares at 64% odds on whether Washington would announce an end to its naval blockade of Iranian ships by year-end. The strikes underscore how military and diplomatic tracks are now running simultaneously, complicating prospects for the us-iran final nuclear deal that the market tracks. [Times Kuwait, Nov 7]

Analysts caution that the structural obstacles to a us-iran final nuclear deal remain substantial: the expired MoU provided for sanctions relief and an economic reconstruction commitment, but enforcement disputes and the absence of a successor framework leave negotiators without agreed parameters. Qatar's mediation represents the most active channel, though no timeline has been announced for resumed talks. The determining factor will be whether Washington and Tehran can reconstitute a binding framework before the December 31 deadline, with the blockade's status and the scope of sanctions relief serving as the principal unresolved issues. [Quiver Quantitative, Nov 9]

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