Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
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 forces have already struck a commercial ship in the Strait of Hormuz, hitting the M/V Ever Lovely with a drone on 25 June, prompting immediate U.S. retaliatory strikes on Iranian missile and drone storage sites the following day[1][3]. This recent kinetic action against a civilian vessel directly mirrors the market’s resolution criteria, yet the crowd-implied probability sits at 0% YES, suggesting traders are either unaware of the event or believe the settlement window excludes past actions. Historically, the IRGC has boarded merchant ships, laid sea mines, and used speed boats to block shipping traffic since February 2026, following US-Israel air strikes on Iran[2]. These tactics confirm Iran’s willingness to target commercial shipping, but the market specifically requires an explicitly claimed attack by Iranian forces, not proxy actions, which narrows the scope despite the broader crisis.
Traders should monitor official announcements from CENTCOM or the Islamic Republic of Iran regarding further attacks on commercial vessels, as well as scheduled diplomatic talks that could alter the ceasefire established in June[3][6]. The interim Memorandum of Understanding signed last month calls for refraining from force, yet Iranian Foreign Minister Abbas Araqchi stated on 7 July that final negotiations would not begin if threats persist, indicating the ceasefire is fragile[6]. Programmatically, this market would be approached by setting conditional orders triggered by real-time news feeds from CENTCOM or Al Jazeera, with stop-losses tied to shifts in US-Iran tension indices. A recent CENTCOM statement confirmed renewed strikes on Iran citing continued aggression against commercial shipping, reinforcing the likelihood of further kinetic events[3]. Traders must watch for any explicit Iranian claim of attacking a commercial ship, as unclaimed or proxy actions will not resolve the market as YES.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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 Kalshi Fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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 Kalshi Fees 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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