Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| July 24 | 100% |
| July 25 | 100% |
| July 31 | 100% |
| August 15 | 100% |
| August 31 | 100% |
| July 23 | 11% |
Market context
The Houthis have conducted sustained maritime operations in the Red Sea and Gulf of Aden since late 2023, employing drones and missiles against commercial shipping. This market asks whether they will successfully execute a kinetic strike on or seize a commercial vessel by end-August 2026. The crowd prices this at 1% probability, treating a direct hit or boarding as a low-likelihood event despite the group's demonstrated capability and stated intent.
Historical precedent suggests the 1% reflects a distinction between attempting attacks and achieving material success. The Houthis have launched hundreds of strikes since November 2023; most have been intercepted by coalition air defences or naval escorts, or have missed entirely. Comparable maritime insurgencies—the Somali piracy wave of 2008–2012, or earlier attacks by the PKK on Turkish shipping—show that sustained campaigns rarely translate to high success rates when targets are defended. The gap between launch frequency and direct impact is substantial, which explains why consensus has settled so low despite the group's operational tempo.
Traders should monitor shipping route patterns and escort deployments. Recent reporting from Lloyd's List and maritime security firms indicates that commercial vessels increasingly transit with naval protection or reroute entirely, reducing exposure. Any significant reduction in coalition naval presence, changes to insurance protocols that signal reduced perceived risk, or Houthi announcements of new weapons systems could shift the calculus. The settlement window extends nearly two years, providing ample time for operational or geopolitical shifts, yet the current pricing suggests markets view successful direct impact as genuinely unlikely under present defensive conditions.
Methodology
We track Houthis successfully target 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
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
- 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 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 Who Will Win 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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