Polymarket

Polymarket Traders Skeptical of US-Iran Permanent Peace Deal by May 31 Amid Sticking Points

With just days left until the May 31 deadline, a Polymarket prediction market shows a mere 19.5% chance of a permanent peace deal between the US and Iran, reflecting deep-seated disagreements over nuclear ambitions and the Strait of Hormuz.

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— 3 min read

The high-stakes Polymarket prediction market, questioning whether the United States and Iran will reach a permanent peace deal by May 31, 2026, currently reflects profound skepticism among traders. With a 'Yes' outcome priced at just 0.195 (19.5% probability) and 'No' at 0.805 (80.5% probability), the market signals a strong belief that a lasting resolution to military hostilities is unlikely within the tight timeframe. This particular market, boasting a significant trading volume of over $34 million, defines a permanent peace deal as any agreement explicitly indicating the permanent cessation of military hostilities, excluding temporary ceasefires or partial agreements.

Recent developments underscore the formidable challenges to such an agreement. Both nations are engaged in "intense indirect talks," largely facilitated by Pakistani mediators, including Army Chief Asim Munir and Interior Minister Mohsin Naqvi, who have been actively shuttling between Washington and Tehran. US President Donald Trump has indicated that the US is in the "final stages" of negotiations and prefers a "good deal," with Vice President JD Vance also noting "significant progress." However, this optimism is tempered by persistent, fundamental disagreements.

Two major sticking points continue to impede progress: Iran's nuclear program and the control of the Strait of Hormuz. On the nuclear front, the US demands that Iran surrender its highly enriched uranium stockpile. However, sources close to Iran's Supreme Leader Mojtaba Khamenei indicate a directive that this stockpile, estimated at nearly 900 pounds of 60% enriched uranium (a short step from weapons-grade), must remain within the country, directly defying a key US precondition. This stance highlights internal divisions within the Iranian regime regarding potential concessions.

Concurrently, the strategic Strait of Hormuz remains a flashpoint. The US imposed a naval blockade on Iranian ports in early April, which Iran views as a violation of the existing ceasefire. In response, Iran has asserted its own de facto control, demanding fees for vessels transiting the vital waterway and attempting to normalize this control. US Secretary of State Marco Rubio has unequivocally rejected Iran's proposed "tolling system" in the Strait, deeming it unacceptable. The ongoing blockades and counter-blockades represent a direct continuation of military tension, far from a permanent peace.

Despite a fragile ceasefire announced on April 7, 2026, the specter of renewed conflict looms. President Trump has repeatedly warned of military action if a deal is not reached within "two or three days." Iran, in turn, has threatened "crushing blows" and to expand the war "far beyond the region" if strikes resume, while actively reconstituting its drone and missile programs. This volatile environment, coupled with increased US-Israeli readiness for renewed hostilities, makes a rapid, comprehensive peace agreement highly improbable.

The current market odds of 19.5% for a 'Yes' resolution reflect this grim reality. This probability has significantly decreased from 45% in late April and even 54% in mid-April when the Strait of Hormuz briefly reopened, indicating that recent developments have pushed expectations further away from a diplomatic breakthrough. Analysts suggest that the high trading volume on this market is primarily driven by volatility trading around shifting sentiments and deadlines rather than a genuine expectation of an imminent permanent deal.

Given the explicit criteria for a "permanent peace deal" and the deep, unresolved disagreements on critical issues like nuclear disarmament and maritime control, the market's strong lean towards a 'No' resolution by May 31, 2026, appears well-founded. A lasting peace, by definition, requires concessions and trust that, as of now, remain elusive between Washington and Tehran.

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Market data fetched at 2026-05-22 06:16 UTC | Polymarket ID: 1919425

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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