Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win 2026) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| July 24 | 100% |
| August 4 | 100% |
| August 19 | 11% |
| August 25 | 10% |
| August 12 | 8% |
| August 13 | 8% |
| August 14 | 8% |
| August 16 | 8% |
| August 26 | 8% |
| August 31 | 8% |
| August 18 | 7% |
| August 20 | 7% |
| August 23 | 7% |
| August 27 | 7% |
| August 28 | 7% |
| August 29 | 7% |
| August 30 | 7% |
| August 15 | 6% |
| August 17 | 6% |
| August 22 | 6% |
| August 9 | 5% |
| August 10 | 5% |
| August 24 | 5% |
| August 11 | 4% |
| August 21 | 4% |
| August 5 | 1% |
| August 8 | 1% |
| July 25 | 0% |
| July 26 | 0% |
| July 27 | 0% |
| July 28 | 0% |
| July 29 | 0% |
| July 30 | 0% |
| July 31 | 0% |
| August 1 | 0% |
| August 2 | 0% |
| August 3 | 0% |
| August 6 | 0% |
| August 7 | 0% |
Market context
A commercial ship being hit or boarded by the Houthis remains a live possibility rather than a tail event, but the market’s **100% YES** implies the crowd is pricing it as a near-certainty. On a handicapper’s read, that makes **YES the favourite** and leaves little room for upside unless the settlement window is unusually exposed to fresh escalation in the southern Red Sea or Bab el-Mandeb.
The historical analogue is plain: the Houthis have repeatedly used missiles, drones, small boats and boarding tactics against merchant shipping since late 2023, including the seizure of the *Galaxy Leader* and later sinkings in 2025, with Reuters noting 21 direct strike incidents among dozens of attacks across the campaign.[14][2][9] That said, the group also paused attacks after the Gaza ceasefire in October 2025, so the relevant question is whether that restraint holds or whether the 2026 pattern reverts to the older playbook.[1][7] At a 100% implied probability, the only real value spot is the **underdog side**: if the ceasefire and shipping deterrence continue, the market is overstating the chance of a qualifying incident.
Watch for any Houthi statements on maritime targets, renewed warnings from maritime security bodies, and changes in traffic through Bab el-Mandeb or the wider Red Sea corridor. Reuters reported in late July that traffic had slowed after Houthi attacks on Saudi oil installations and that the group had broadened its pressure campaign, while JMIC said in July that sources close to the Houthis had completed preparations to attack shipping near the southern access point.[4][12] For traders, the key dependency is whether political signalling turns into a direct kinetic hit on a commercial hull; intercepted missiles and near-misses do not count under the rules, so the market is really about successful impact or boarding, not headline tension alone.
Methodology
We track Houthis successfully target shipping on 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
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- 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 does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- 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 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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