Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| July 8 | 100% |
| July 15 | 100% |
| July 31 | 100% |
| August 31 | 100% |
| July 1 | 0% |
Market context
Iranian naval forces have repeatedly engaged in hostile actions against commercial vessels, including seizing ships and taking them hostage to extract concessions from the international community[1]. While proxy groups like the Houthis have targeted shipping in the Red Sea, the market specifically requires a kinetic strike or seizure explicitly claimed by the Islamic Republic of Iran or confirmed to originate from Iranian territory[2]. This distinction isolates direct state aggression from the broader regional instability that currently dominates headlines.
Historically, Iran has seized US Navy boats and surrounded warships like the USS Nitze, forcing evasive maneuvers, yet it has rarely conducted a full kinetic strike on a neutral commercial ship in recent decades[5][8]. The current crowd-implied probability of 0% reflects this historical precedent where Iran prefers harassment, boarding, or hostage-taking over outright destruction, which would risk catastrophic escalation with the US and Israel[1]. Analyst consensus aligns with sportsbook lines that view a direct strike as an outlier event, diverging from the higher odds often seen for proxy attacks in adjacent markets.
Traders should monitor official announcements from the US Central Command regarding strikes in the Strait of Hormuz, as Iranian retaliatory actions have previously included hitting US-linked tankers[3]. The settlement window ending in August 2026 allows time for potential escalation if tensions rise following the joint US-Israel military operation in February 2026[2]. Key dependencies include whether Iran explicitly claims responsibility for any future attack, as attacks by proxies like Hezbollah or the Houthis will not resolve the market to "Yes"[2]. Recent reports confirm that commercial ships are being targeted as the war intensifies, but the specific criteria for this contract remain strict[7].
Methodology
We track Iran successfully targets shipping by 2026? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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