Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
77% | 23% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
77% | 23% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
Market context
Iranian forces have already struck a commercial vessel in the Strait of Hormuz, prompting immediate US retaliatory airstrikes and threatening to unravel the fragile ceasefire between Washington and Tehran[2][4]. This kinetic action, carried out with a one-way attack drone against the Singapore-flagged M/V Ever Lovely on 25 June, marks a direct escalation where Iran explicitly claims responsibility for targeting merchant shipping rather than military vessels[2]. The current 78% probability reflects this tangible precedent, as the Islamic Revolutionary Guards Corps has simultaneously issued warnings forbidding passage and laid sea mines to enforce control over the choke point[3].
Historically, Iran’s 2026 blockade strategy has relied on speed boats, missiles, and drones to physically keep ships away, alongside hidden threats like mines and satellite spoofing to disrupt navigation[3]. Comparable cases show that when Iran asserts coastal state authority over the strait, it often suspends parallel routes unless coordination is secured, a stance recently reiterated by Deputy Foreign Minister Kazem Gharibabadi on social media[2]. Traders evaluating this market programmatically should monitor conditional orders tied to official Iranian announcements or CENTCOM confirmations of further attacks, as these serve as the primary settlement triggers for kinetic strikes or seizures[2][5].
Key catalysts include the scheduled expiry of the ceasefire and any new US or Israeli military responses, which could escalate the conflict further[4]. Recent reports confirm Iran launched multiple one-way attack drones attempting to strike commercial ships, indicating a sustained campaign rather than a isolated incident[5]. A power-user building a bot for this market would set alerts for X posts from IRGC officials or US Central Command updates, as these provide the definitive confirmation required for resolution[2][5]. The settlement window ending in July 2026 allows ample time for further escalation, making the high probability a rational assessment of the ongoing volatility[2].
Methodology
We track Iran successfully targets shipping by 2026? on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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?
- On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.
- 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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