US x Iran Effective Ceasefire by July 31?
🗂 Part of event: US x Iran Effective Ceasefire by...? (2 week pause) →💡 What the odds say
The market puts this at about a 39% chance — less likely than not.
No money — just record your call and see if you were right. Yes is at 39% right now.
The odds of a US-Iran ceasefire by July 31 have surged 25 points in 24 hours, driven by reports of a pending agreement, but the US president's own skepticism and ongoing military strikes suggest the deal may not hold or be finalized in time.
📊 Base rate: Ceasefires in active interstate conflicts historically fail to hold within a short window; since 2000, only about 30% of announced ceasefires in major conflicts have led to a 14-day halt in hostilities.
What's driving it
- • A July 21 report that the USA will announce an Iran agreement/ceasefire directly boosted Yes odds (Action Network, Jul 21).
- • The 24-hour +25 point move reflects market reaction to the ceasefire announcement speculation, but the US president's July 25 concern over ceasefire effectiveness introduces doubt (Akashvani News, Jul 25).
- • Ongoing US strikes as of July 9 (CNN, Jul 9) and the collapse of a prior deal (CFR, Jul 13) show the conflict is active, making a 14-day continuous pause by July 31 unlikely.
- • International calls for an immediate end to the conflict (Anadolu Ajansı, Jul 24) add diplomatic pressure but no concrete mechanism to enforce a ceasefire.
The case for YES
- • A ceasefire agreement may be announced imminently, as suggested by the July 21 report, and if it takes effect immediately, a 14-day period could start before July 31.
- • US talks with Iran on free Hormuz access (Reuters, Jul 11) indicate ongoing diplomatic channels that could yield a temporary halt.
- • The sharp odds movement shows traders believe a deal is near, possibly based on non-public signals.
The case for NO
- • The US president's own concern about ceasefire effectiveness (Akashvani News, Jul 25) undermines confidence that any announced deal will hold for 14 consecutive days.
- • US military strikes were still occurring as of July 9 (CNN), and no headline confirms a halt since then, making it impossible to start a 14-day period before July 31.
- • The collapse of a prior Iran deal (CFR, Jul 13) shows that agreements are fragile and may not lead to sustained cessation of hostilities.
What to watch
- • Any official US or Iranian announcement of a ceasefire or truce before July 31 would push Yes odds sharply higher.
- • A new US military strike on Iran before July 31 would reset the 14-day clock and make Yes nearly impossible, pushing odds to No.
- • Diplomatic statements from China or ASEAN (Anadolu Ajansı, Jul 24) calling for a ceasefire could increase pressure but may not move odds unless backed by concrete action.
AI-generated · grounded in recent news + odds · informational only, not advice. Verify on the source platform.
Data from Polymarket’s public API, for informational purposes only. PredictPal is not affiliated with any platform and does not facilitate trading.
Discussion
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How it resolves
Settled on-chain by UMA's optimistic oracle: once an outcome is clear, anyone can propose the result, which then enters a challenge window where it can be disputed with evidence before it finalizes.
⚖️ A proposed outcome can be disputed during a challenge window before it's final.
Resolution criteria
This market will resolve to “Yes” if there is a continuous 14-day period during which the United States does not take a qualifying military action against Iran that begins at any time between market creation and the specified end date, 11:59 PM ET. Otherwise this market will resolve to “No.” The first day of the 14-day period will be the calendar date (ET) after the most recent qualifying military action (or the date of market creation, if no qualifying action has occurred). The period runs through 12:00 PM ET on the 14th calendar day. This market resolves to “Yes” if any such period is completed where the most recent qualifying military action occurred on or before the specified end date (ET). A qualifying military action refers to an air strike or a surface-to-surface missile strike, initiated by the United States, that directly impacts Iran. An air strike includes bombs, air-to-surface missiles, and air-launched drones. A surface-to-surface missile strike includes one-way attack drones and surface-to-surface missiles such as cruise or ballistic missiles. The following actions do not constitute a qualifying military action: Munitions destroyed or intercepted before impact; Surface-to-air missile strikes; Small-arms fire; Ground incursions; Cyber operations; Naval gunfire and artillery fire; Howitzers, artillery pieces, mortars, and rocket artillery (e.g. MLRS systems); Minor surface-to-surface strikes, including short range loitering munitions, FPV drones, and ATGM strikes; Any threat, authorization, or announcement of force that has not been executed. Any munition that is intercepted or destroyed before impact does not constitute a qualifying military action. Debris, fragments, or any wreckage from intercepted munitions that land on Iran do not constitute a military action regardless of any damage incurred. A military action will be considered to impact Iran if it directly impacts the terrestrial territory of Iran, including any internal waters. Maritime territory and airspace are not encompassed. Where territorial borders are disputed, all territory claimed by and under the de facto control of Iran as of market creation will qualify. The occurrence, attribution, and timing of a qualifying military action will be primarily determined based on a consensus of information available from the resolution sources. Where multiple sources conflict regarding the occurrence, attribution, or timing of a relevant military action, this market will remain open until the earlier of: i) the confirmation of the occurrence, attribution, and timing of the action based on a consensus of information available from the resolution sources or ii) 3 full calendar days (ET) from the date of the first credibly reported evidence of the action. If this period would extend past the end date, this market will remain open to allow for 3 full calendar days to pass. If, at the end of the third calendar day, conflicting reports remain as to the occurrence, attribution, or timing of the action, the action will be judged based on the totality of information available from the resolution sources at that time. No single statement, denial, or presentation of evidence will govern where it is contradicted by the totality of information. The resolution sources for this market will be official information from the governments and militaries of the United States and Iran and credible reporting.
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