Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
86% | 14% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
86% | 14% | 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 17 | 86% |
| August 25 | 13% |
| August 31 | 12% |
| August 19 | 9% |
| August 20 | 9% |
| August 28 | 9% |
| August 21 | 8% |
| August 22 | 7% |
| August 23 | 7% |
| August 29 | 7% |
| August 18 | 6% |
| August 26 | 6% |
| August 30 | 6% |
| August 24 | 5% |
| August 27 | 5% |
| August 16 | 1% |
| August 2 | 0% |
| August 3 | 0% |
| August 4 | 0% |
| August 5 | 0% |
| August 6 | 0% |
| August 7 | 0% |
| August 8 | 0% |
| August 9 | 0% |
| August 10 | 0% |
| August 11 | 0% |
| August 12 | 0% |
| August 13 | 0% |
| August 14 | 0% |
| August 15 | 0% |
Market context
Iran has conducted direct military strikes against Arab states on two occasions in recent years: ballistic missile attacks on Iraqi military bases in January 2020 (following the assassination of Qasem Soleimani) and drone and missile strikes on Saudi Arabian oil infrastructure in September 2019. Both actions were framed as responses to perceived threats or prior attacks. The current 0% implied probability reflects the absence of an imminent trigger event and the general de-escalation in regional tensions compared to 2019–2020, when such strikes occurred within months of one another.
The market's settlement window extends through August 2026, capturing a period of significant geopolitical uncertainty. Key variables include the trajectory of Israel–Iran tensions, particularly any escalation following strikes on Iranian territory; the status of nuclear negotiations and sanctions relief; and domestic political shifts within Iran following its June 2024 presidential election. Reuters reported in July 2024 that Iranian officials signalled restraint following Israeli airstrikes, though this posture remains contingent on further Israeli or US actions.
Traders should monitor announcements regarding Israeli military operations, US sanctions policy, and any Iranian statements from the Islamic Revolutionary Guard Corps (IRGC) signalling imminent retaliation. The timing of US presidential transitions and potential shifts in Middle East strategy represent secondary catalysts. Historical precedent suggests Iranian strikes typically follow a period of public rhetoric and warnings rather than occurring without prior escalation signals.
Methodology
Sports-specific comparison page for Will Iran target a Arab country on 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.
UK Frequently Asked Questions
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- 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.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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