Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi vs Polymarket) 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 24 | 100% |
| August 4 | 100% |
| August 11 | 97% |
| August 13 | 18% |
| August 19 | 11% |
| August 14 | 9% |
| August 16 | 8% |
| August 12 | 7% |
| August 15 | 7% |
| August 23 | 7% |
| August 26 | 7% |
| August 28 | 7% |
| August 29 | 7% |
| August 31 | 7% |
| August 18 | 6% |
| August 20 | 6% |
| August 22 | 6% |
| August 25 | 6% |
| August 27 | 6% |
| August 30 | 6% |
| August 17 | 5% |
| August 21 | 4% |
| August 24 | 4% |
| August 9 | 1% |
| August 10 | 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 5 | 0% |
| August 6 | 0% |
| August 7 | 0% |
| August 8 | 0% |
Market context
Houthi forces have maintained a sustained campaign of attacks against commercial shipping in the Red Sea and Gulf of Aden since November 2023, with successful strikes involving both drone and missile strikes that have damaged or disabled vessels. The market resolves affirmatively if the Yemeni militant group conducts a kinetic strike with direct impact on a commercial ship or forcibly seizes control of one through boarding operations between now and 31 August 2026. Intercepted strikes do not qualify; the projectile or boarding party must achieve material contact or control.
The 100% implied probability reflects the historical pattern of Houthi attacks rather than certainty of future incidents. Over the past eighteen months, the group has demonstrated capability to strike vessels across a broad maritime corridor, with dozens of confirmed hits despite international naval presence and air defence systems. Previous prediction markets on similar Houthi targeting questions have resolved affirmatively when settlement windows extended beyond six months, given the group's operational tempo and stated intent to continue strikes. However, probability compression at extremes often masks genuine uncertainty about specific timeframes and attack frequency.
Traders should monitor announcements regarding international naval deployments, particularly any escalation or de-escalation of Houthi operations tied to broader Middle East tensions. Recent reporting from maritime security firms indicates attack frequency correlates with regional political developments rather than seasonal patterns. The extended settlement window through August 2026 substantially increases the likelihood of at least one qualifying incident occurring, though the current 100% pricing leaves no room for scenarios involving operational pause or significant capability degradation.
Methodology
This page reviews Houthis successfully target shipping on 2026? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Kalshi vs Polymarket, which mirrors the Polymarket order book at 0% fees.
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 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.
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