Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket Legit? Pick polygram.ink |
19% | 81% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket Legit? → |
Polymarket polymarket.com |
19% | 81% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket Legit? → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket Legit? → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket Legit? → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket Legit? → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Polymarket Legit?.
Market context
The Strait of Hormuz carries roughly one-third of global seaborne oil trade, yet transit volumes have remained depressed since mid-2024 following escalating tensions between Iran and Israel, coupled with Houthi attacks on shipping and tightened sanctions enforcement. The market currently prices a 19% chance that daily transit calls will recover to a 7-day moving average of 60 or higher by end-June 2026—a threshold representing near-normal pre-disruption levels. On Polymarket, YES tokens trade at $0.19 per USDC, reflecting trader scepticism that normalisation occurs within eighteen months.
Historical precedent suggests sustained shipping disruptions in contested waters rarely reverse quickly. The 2022 Russia-Ukraine conflict disrupted Black Sea grain exports for months despite diplomatic efforts, whilst the 2011 Suez Canal closure took weeks to clear. The Hormuz corridor differs in complexity: it involves multiple state actors, non-state militias, and competing sanctions regimes with no clear resolution pathway. Previous incidents—including the 1987-88 Tanker War—required years to stabilise fully. Current transit volumes hover around 40-45 calls daily, meaning traders betting YES must anticipate either a dramatic geopolitical settlement or sufficient normalisation of risk perception to restore confidence among shipping insurers and operators.
Catalysts traders should monitor include any ceasefire agreement between Iran and Israel, formal negotiations on Houthi maritime restrictions, or announcements from major oil importers (India, China, Japan) signalling they will route through Hormuz rather than circumnavigate Africa. The IMF Portwatch data publishes weekly; any sustained uptick above 50 calls would signal momentum toward the 60-call threshold. Conversely, fresh military incidents or expanded sanctions would likely keep the probability low through mid-2026.
Methodology
We track Strait of Hormuz traffic returns to normal by end of June? on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Where can I trade this market with the lowest fees?
- On Polymarket Legit?, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket Legit? is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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 it cost to trade on Polymarket Legit??
- Zero. Polymarket Legit? routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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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