Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
54% | 46% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
54% | 46% | 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 |
|---|---|
| August 31 | 54% |
| July 31 | 35% |
| July 17 | 2% |
Market context
Houthi forces have already sunk commercial cargo vessels in the Red Sea, killing crew members and unlawfully detaining survivors, establishing a clear precedent for kinetic strikes on non-military ships [1][2]. Human Rights Watch classified two July 2025 attacks as apparent war crimes, noting the Houthis sank both ships after missile and drone strikes [1]. Despite US and UK airstrikes depleting missile stockpiles, the group retains considerable ability to target shipping, with analysts predicting an uptick in drone and boat-based assaults as missile reserves dwindle [5]. Since the conflict intensified, 43 ships have been attacked in the region, with 21 suffering direct strikes from missiles or drones, resulting in at least three seafarer deaths and the sinking of a bulk carrier [6].
On Polymarket, this contract trades at a 3% implied probability for a successful strike or seizure by August 2026, reflecting the market’s view that Houthi capabilities are constrained yet still active. Traders monitoring this USDC-denominated position on Polygon should watch for announcements regarding Houthi missile stockpile levels and shifts toward drone-heavy tactics, as these dependencies directly impact strike frequency [5]. Recent EU naval force reports confirm ongoing lethality, including a Liberian-flagged attack killing three mariners, while the group’s retaliation for Gaza violence continues to drive escalation [2][3]. Conditional token liquidity remains thin, so price movements may lag real-time developments in Red Sea maritime security until significant volume enters the order book.
Methodology
This page reviews Houthis successfully target shipping by 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 UK, 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
- 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 UK. 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 UK 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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