Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
97% | 3% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
97% | 3% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| August 31 | 97% |
| August 15 | 96% |
| July 31 | 94% |
| July 19 | 0% |
| July 21 | 0% |
| July 24 | 0% |
Market context
Polymarket is pricing this contract at **0% YES** right now, which implies traders see no credible public path to a formal U.S. announcement ending offensive operations against Iran before settlement. For a holder of the position, the relevant object is not battlefield activity in itself but a **public and official U.S. statement** that clearly communicates termination, cessation, or suspension of offensive action; the market settles on that wording, not on whether strikes merely slow down in practice.
That reading sits against recent precedent. Reuters reported in April that the U.S. announced a cessation of offensive operations against Iran, while also saying it was prepared to reinitiate combat if a more durable peace failed to emerge[12]. Separate reporting in late July said President Trump had paused new strikes while the White House assessed negotiations, but the administration had not formally called that pause a ceasefire and said military options remained available[1]. Earlier coverage from the same conflict period described U.S. forces as halting offensive operations while leaving defensive measures in place, which is the sort of distinction that matters for conditional tokens on Polygon: a temporary pause can exist without satisfying the market’s requirement for an explicit termination-style announcement[2][3][8].
The main catalysts are official statements from the White House, the Pentagon, or the President, plus any congressional notification or joint communiqué that uses clear ceasefire language. Traders should also watch for deadlines attached to negotiations, shipping arrangements in the Strait of Hormuz, and any renewed escalation that could prompt a reversal, because Reuters noted the ceasefire language was paired with an ability to restart combat if needed[12]. In Polymarket terms, the contract will only move if a public announcement crosses the line from tactical pause to recognised halt, so vague references to “pausing”, “assessing”, or “defensive posture” are usually not enough on their own.
Methodology
This page reviews US announces halt in Iran offensive operations by 2026? 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 Kalshi UK, 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
- 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.
- 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.
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