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

Platform comparison

Market context

Polymarket is pricing this contract at **0% YES** today, so the market is treating a fresh 14-day U.S. pause in military action against Iran as effectively absent for now. On Polymarket, that means traders have locked USDC on Polygon into conditional tokens whose payout depends on whether a qualifying continuous 14-day window begins before 31 August 2026 and meets the market’s strict settlement rules.

That zero price sits against a recent history of very sharp repricing in U.S.-Iran ceasefire markets. Earlier 2026 contracts swung hard on public announcements, with Polymarket and other prediction venues reacting to the April ceasefire and the later dispute over whether hostilities had really stopped in the market’s terms.[1][2][3] Comparable ceasefire and peace-deal markets have also shown how quickly odds can collapse when shipping, missile activity or limited strikes keep the situation from meeting a formal “pause” standard.[4][9] For traders, the lesson is that these contracts are usually driven less by broad diplomacy than by whether the U.S. has a clear, qualifying military action that restarts the 14-day clock.

The main catalysts are public statements from Washington and Tehran, any new military incident, and whether operational pauses around the Strait of Hormuz or Iranian-linked targets are formally described as temporary rather than an agreed ceasefire.[2][3][4] A recent Reuters-style news cycle has also highlighted how quickly market pricing can move on reports of extended truces and nuclear talks, even when participants remain sceptical about durability.[13] In practical terms, Polymarket users should watch for official announcements, verified reporting on strikes or interceptions, and any schedule tied to negotiations, because those are the events most likely to change whether a new qualifying 14-day period can even start.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews US x Iran Effective Ceasefire by 2026? (2 week pause) across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

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.