US x Iran Effective Ceasefire by 2026? (2 week pause)

Platform comparison

Market context

A provisional two-week pause in US military strikes against Iran has already occurred, mediated by Pakistan in April 2026, yet the current prediction market implies only a 6% chance of a second, continuous 14-day halt before August 2026. This low probability reflects the fragility of the initial truce, which was contingent on Iran reopening the Strait of Hormuz and faced immediate strain from ongoing Israeli operations against Hezbollah in Lebanon [3][9]. Historical precedents, such as the Twelve-Day War ceasefire that held briefly before bombing resumed in February 2026, suggest that short-term pauses often collapse when underlying strategic disputes remain unresolved [11].

Traders should monitor announcements regarding the Strait of Hormuz’s operational status and any US responses to tanker strikes in the region, as these are the primary triggers for qualifying military action [4][8]. The 14-point Memorandum of Understanding signed in June 2026 outlined a 60-day negotiation window covering nuclear programmes and sanctions, but implementation delays or violations could reignite hostilities [7]. Recent reports indicate that while the US paused strikes following the April agreement, fresh strikes occurred in late June after a tanker was hit in the Hormuz, highlighting the volatility that keeps the market’s YES probability depressed [8]. Analyst consensus across sportsbooks and prediction platforms diverges sharply, with some outlets viewing the June MoU as a durable framework while others see the Hormuz incidents as evidence of an inevitable breakdown.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track US x Iran Effective Ceasefire by 2026? (2 week pause) across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.