Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
96% | 4% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
96% | 4% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| August 22 | 96% |
| August 25 | 93% |
| August 31 | 83% |
| September 15 | 71% |
| September 30 | 56% |
Market context
The United States and Iran have maintained an undeclared ceasefire since early 2024, following tit-for-tat strikes in April that year. The market assesses whether this restraint holds through September 2026, with the 96% probability reflecting the absence of direct military engagement for over eighteen months and the mutual costs both parties have absorbed from previous escalations.
Historical precedent suggests that US-Iran military confrontations follow cycles of provocation and response rather than sustained conflict. The 2019-2020 period saw the assassination of Qasem Soleimani, Iranian ballistic missile strikes on US bases in Iraq, and subsequent de-escalation. The April 2024 exchange—where Iran launched roughly 300 drones and missiles following Israeli strikes on its consulate in Damascus, and the US intercepted most whilst avoiding Iranian territory—established a pattern where both sides demonstrated capability whilst avoiding further direct strikes. Neither party has pursued escalation since, suggesting tacit acceptance of the status quo.
Traders should monitor developments in the Israeli-Palestinian conflict, which has historically served as a flashpoint for US-Iran proxy tensions, alongside any shifts in US administration policy toward Iran's nuclear programme following the 2024 presidential election. Regional stability hinges partly on whether the incoming Trump administration pursues renewed pressure on Iran's nuclear activities or maintains current military restraint. Congressional actions regarding sanctions, statements from Iranian leadership about retaliation thresholds, and any Israeli military operations near Iranian interests represent key catalysts that could alter the calculus for either party.
Methodology
Sports-specific comparison page for US-Iran ceasefire continues through 2026?. 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.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- 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.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- 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.
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