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Polymarket Odds Signal Low Probability for US-Iran Permanent Peace Deal by May 26 Deadline

As the May 26, 2026, deadline approaches, a Polymarket prediction market indicates a mere 10.5% chance of a permanent peace deal between the United States and Iran, reflecting ongoing diplomatic complexities and a lack of definitive agreement.

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— 3 min read

The Polymarket prediction market, asking "US x Iran permanent peace deal by May 26, 2026?", is nearing its resolution with a strong consensus leaning towards a 'No' outcome. With current prices at 0.105 for 'Yes' and 0.895 for 'No', traders are assigning an 89.5% probability that a permanent peace deal will not be established by the specified deadline of May 26, 2026, 11:59 PM ET.

This market is designed to resolve to 'Yes' only if Iran and the United States agree to a permanent peace deal, explicitly indicating a lasting end to military hostilities. Agreements that are temporary or do not include a definitive commitment to cease hostilities on a lasting basis will not qualify. A qualifying agreement must be formally signed, adopted, or publicly confirmed by both governments.

Recent diplomatic efforts have indeed seen both nations engage in discussions, with reports emerging of a potential "framework" or "draft proposal" for a deal. On May 25, 2026, multiple sources indicated that the United States and Iran were working on an agreement that would extend a ceasefire for 60 days and reopen the Strait of Hormuz, with further negotiations on nuclear issues and sanctions relief to follow.

However, critical statements from both sides suggest that a permanent peace deal, as defined by the market, remains elusive. U.S. President Donald Trump, on May 25, stated that a potential deal "isn't even fully negotiated yet" and that "nobody has seen it, or knows what it is." He also previously characterized his decision on an Iran deal as "50/50" between accepting diplomacy or resuming military strikes.

Echoing this sentiment, Iranian Foreign Ministry spokesman Esmaeil Baqaei clarified on May 25 that while progress has been made on many issues, the "signing of an agreement is not imminent." Baqaei emphasized that the current discussions focus on ending the war and reopening the Strait of Hormuz, with nuclear-related issues slated for a subsequent 60-day negotiation period. He also pointed to "contradictory statements" from the U.S. and Israeli interference as hindering a complete agreement.

Analysis from the Institute for the Study of War (ISW) on May 24, 2026, further supports the complexity, noting that "conflicting US, Iranian, and regional reporting indicates that the contours of a possible US-Iran memorandum of understanding (MOU) remain unresolved and may not yet represent a final agreement." ISW also highlighted that Iran has not publicly accepted significant nuclear concessions in the proposed MOU, suggesting that Iran aims to defer nuclear talks until after securing relief from military and economic pressure.

The market's low 'Yes' probability (10.5%) for a permanent peace deal by May 26, 2026, is a realistic reflection of the current diplomatic landscape. While a temporary de-escalation or a framework for future talks appears to be in motion, the stringent conditions for a 'Yes' resolution—a definitive, lasting end to military hostilities—do not seem achievable within the next 24 hours. The ongoing disagreements on core issues such as Iran's nuclear program and sanctions relief, coupled with both sides indicating that a final, comprehensive agreement is not yet at hand, strongly suggest the market will resolve to 'No'.

Sources:

Market data fetched at 2026-05-25 18:16 UTC | Polymarket ID: 2324252

This article is generated by AI for informational purposes only. It does not constitute financial advice. Always do your own research before making any investment decisions. Data sourced from Polymarket and public web sources.

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