Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
57% | 43% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
57% | 43% | 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 |
|---|---|
| December 31 | 57% |
| October 31 | 42% |
| September 30 | 24% |
| August 31 | 11% |
| July 15 | 0% |
| July 31 | 0% |
Market context
Iran has periodically threatened to impose transit fees or tolls on commercial vessels passing through the Strait of Hormuz, one of the world's most critical shipping chokepoints through which roughly one-fifth of global oil flows. Such a policy would represent a significant escalation in Iran's use of maritime leverage, moving from occasional harassment or detention of individual vessels to a formalised revenue-collection scheme applicable across commercial shipping. The market requires an official announcement coupled with actual implementation of mandatory charges—not merely rhetorical threats or ad-hoc demands against specific vessels.
Historical precedent suggests Iran's actual follow-through on such schemes remains limited. During the 1980s Iran–Iraq War, Iran attempted to disrupt tanker traffic but never established a systematic toll system. More recently, Iranian officials have made periodic declarations about controlling Hormuz access, yet no formal fee structure has been announced or enforced. The 0% crowd probability reflects scepticism that Iran would risk the economic and diplomatic fallout of unilateral toll collection, which would likely trigger immediate international pushback and potentially military response from the US and Gulf allies.
Traders should monitor statements from Iran's Foreign Ministry and Revolutionary Guards Corps, particularly following US sanctions escalations or regional tensions. Any formal announcement would likely emerge through official Iranian news agencies or during parliamentary sessions. The settlement window extends to August 2026, providing roughly two years for geopolitical conditions to shift sufficiently to make such a policy viable—a threshold the market currently deems extremely unlikely.
Methodology
Sports-specific comparison page for Iran charges Hormuz fees by 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
- 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.
- 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.
- 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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