Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
12% | 88% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
12% | 88% | 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 → |
Market context
The United States has already launched limited airstrikes against Iranian nuclear facilities in June 2025 and February 2026, but these operations were explicitly aimed at disabling nuclear capabilities and ballistic missiles, not at establishing territorial control over any portion of Iran. Historical precedent from the 2025 Twelve-Day War and the 2026 Iran war shows that US military involvement has consistently stopped short of invasion or occupation, even when Iran retaliated with missile strikes on American bases in the region[1][2]. Comparable cases of US intervention in the Middle East, including Iraq and Afghanistan, involved full-scale invasions only after prolonged diplomatic breakdowns and explicit congressional authorisations for war, none of which have occurred regarding Iran as of mid-2026[2][5].
Traders should monitor upcoming announcements from the White House and Pentagon regarding the deployment of the Abraham Lincoln nuclear aircraft carrier to the Arabian Sea, which analysts suggest may signal intentions for a limited offensive rather than a full invasion[4]. Key dependencies include the outcome of the ongoing mass street uprisings in Iran, which began in January 2026 and have intensified through 2026, potentially destabilising the Islamic Republic politically and altering US strategic calculus[2][5]. Recent reports from Air Forces Command indicate multi-day readiness exercises across twenty nations in the Middle East, Asia, and Africa, a move that could foreshadow an imminent attack but remains ambiguous regarding territorial objectives[4]. A beat-reporter from AP News noted that independent damage assessments of the 2025 strikes have not yet confirmed whether Iran’s nuclear programme was truly destroyed, leaving uncertainty about future escalation triggers[3].
Methodology
Sports-specific comparison page for Will the U.S. invade Iran before 2027?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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