Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| July 31 | 100% |
| August 31 | 100% |
| August 15 | 100% |
| July 19 | 0% |
| July 21 | 0% |
| July 24 | 0% |
Market context
The United States currently maintains active military operations against Iranian targets and interests across the Middle East, including air strikes, naval operations, and support for regional allies. A formal announcement halting these offensive operations would represent a significant shift in US foreign policy and regional strategy. The market assigns zero probability to such an announcement occurring by end-August 2026, reflecting the current trajectory of US–Iran tensions and the absence of active diplomatic channels aimed at a ceasefire or operational pause.
Historical precedent offers limited guidance. The US has announced temporary operational pauses or tactical adjustments in regional conflicts—most recently during the 2015–2018 period when the Joint Comprehensive Plan of Action (JCPOA) was in effect—but a comprehensive, publicly announced halt to offensive operations against Iran specifically has not occurred since the 1979 revolution. The 2020 Soleimani assassination and subsequent Iranian missile strikes demonstrated how rapidly escalation can occur without formal de-escalation mechanisms. Current geopolitical conditions, including Israeli operations in Gaza and Lebanon, regional proxy activity, and domestic US political cycles, make a unilateral US announcement of cessation unlikely within the settlement window.
Traders should monitor statements from the US State Department, Department of Defence, and the White House for any shift in operational language or diplomatic overtures. Congressional testimony, Pentagon briefings, and statements from regional commanders provide early signals of policy changes. The upcoming US presidential transition in January 2025 and any subsequent shifts in Middle East strategy represent the most material catalyst, though even a change in administration has historically not produced immediate operational halts without reciprocal Iranian concessions or diplomatic agreements.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
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