This market has settled: RESOLVED
Settled on March 15, 2026
US x Iran ceasefire by March 15?
US x Iran ceasefire by March 15? Odds: 0.7% YES on Polymarket. See live prices and trade this market.
The market gives virtually no chance to a US-Iran ceasefire materializing by mid-March, reflecting the absence of active armed conflict between the two nations that would require a formal ceasefire agreement.
Current Odds
| Platform | Yes | No | Volume | Trade |
|---|---|---|---|---|
| Polymarket | 0.7% | 99.4% | $9.9M | Trade on Polymarket |
Market Analysis
The bear case (supporting the current 0.7% odds) is straightforward: the United States and Iran are not currently engaged in direct military hostilities that would necessitate a ceasefire. While proxy conflicts continue through groups like the Houthis in Yemen and various militias in Iraq and Syria, these don’t constitute a US-Iran war requiring bilateral ceasefire terms. Any agreement by March 15 would require an unprecedented escalation followed by immediate de-escalation within weeks. The Trump administration has signaled willingness to negotiate on Iran’s nuclear program but hasn’t framed discussions around ending active warfare. Iran’s March 21 Nowruz holiday could theoretically provide diplomatic cover for an announcement, but no framework for such talks currently exists.
The bull case requires assuming imminent military escalation followed by rapid resolution. If Israel strikes Iranian nuclear facilities with US support in late February or early March, triggering direct Iranian retaliation against US assets, both sides might seek an off-ramp within days. Trump has shown preference for dramatic deal-making, and Iran’s economic situation remains dire enough that Supreme Leader Khamenei might accept terms quickly if face-saving elements were included. Reports of back-channel communications between Washington and Tehran through Omani intermediaries suggest some dialogue exists, though not about active conflict cessation.
Traders should monitor any Israeli military movements toward Iran, US carrier group repositioning in the Persian Gulf, and emergency UN Security Council sessions. The February 23-24 Munich Security Conference could provide unofficial venue for exploratory talks if tensions spike. However, the market’s near-zero probability accurately reflects that manufacturing, fighting, and resolving a war in under three weeks strains credibility beyond the 1% threshold.
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Frequently Asked Questions
What would actually constitute a “ceasefire” between the US and Iran given they’re not formally at war?
The market would likely require an officially announced agreement to halt military operations, whether that means direct strikes or attacks via proxies. Informal de-escalation or mere dialogue wouldn’t qualify without explicit ceasefire language from both governments.
Could a nuclear deal be interpreted as meeting this market’s resolution criteria?
No—a nuclear agreement would focus on enrichment limits and sanctions relief, not cessation of hostilities. Unless it explicitly included ceasefire terms ending active military operations, it wouldn’t resolve this market as YES.
Why March 15 specifically as the deadline for this market?
The date likely corresponds to escalating tensions in early 2025 and provides a near-term resolution window for traders. It falls just before Iran’s Nowruz holiday on March 21, when major diplomatic announcements are sometimes timed, though this appears coincidental rather than strategically meaningful.