Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win 2026) Pick polygram.ink (preferred broker) |
17% | 83% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
17% | 83% | 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 |
|---|---|
| August 31 | 17% |
| August 15 | 3% |
Market context
The Strait of Hormuz is still trading like a **favourite to stay below the 60-call threshold**, with the market’s 14% yes price implying that a normalised seven-day average by 31 August is a low-probability outcome. CNBC reported in early July that Kalshi traders were only pricing a 43% chance of normal traffic by 1 December, after having been more bullish earlier in the month, which suggests sentiment has shifted towards a slower, more uneven recovery rather than a quick snap-back.[1]
That framing fits the history of this market: traders and forecasters have repeatedly expected a gradual restart, not an immediate return to pre-conflict throughput. CNBC noted in April that Kalshi bettors were still sceptical of normal traffic for months, while the EIA said oil shipments may resume in the third quarter of 2026 but pre-conflict traffic levels may not return until early 2027.[2][4] Morgan Stanley likewise argued that meaningful export recovery may not begin until the second half of July and that the final portion of lost supply could take well into 2027, which keeps the **underdog** case alive even if ship movements improve.[5]
For catalysts, the key watchpoint is whether reopened flows translate into sustained counted transits in IMF PortWatch, not just headline announcements. CNBC reported on 18 June that naval forces still had to certify safe routes and that backlog clearing could take weeks or months, while shipping specialists described a gradual restart rather than an immediate return to more than 100 daily transits.[12] That makes insurance availability, route security, and any formal reopening or traffic-management arrangement the main drivers of a late surprise; a quick move above 60 would likely need stable commercial conditions and consistent vessel deployment, which S&P Global says are part of how the market defines a truly reopened strait.[9]
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Who Will Win 2026, which mirrors the Polymarket order book directly.
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 Who Will Win 2026. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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 2026 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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