Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
33% | 67% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
33% | 67% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
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 PolyGram.
Market context
Traffic through the Strait of Hormuz is still running far below normal, and the market is pricing that recovery as an underdog outcome at 34% yes. That leaves the consensus on the no side: for a yes to land, IMF PortWatch needs to show a seven-day moving average of 60 or more transit calls by 30 June, a sharp rebound from the depressed levels reported in recent weeks. In handicapper terms, the favourite is continued disruption, while the value case for yes rests on any rapid normalisation in tanker and commercial schedules rather than a gradual improvement.
Recent history argues for caution on a quick snap-back. USNI reported on 1 May that commercial transits were at their lowest level since Operation Epic Fury Start and described traffic as less than 10% of pre-conflict volumes, with tanker and oil markets not expected to normalise until at least September. That implies the current line is asking for a very steep recovery in barely six weeks. Comparable shipping disruptions usually unwind in stages, with chartering, insurance and routing decisions lagging any political signal, so the market’s scepticism looks rooted in how slowly vessels return even after headlines turn more constructive.
The main catalysts are diplomatic rather than operational: any credible US-Iran or regional deal that leads insurers, operators and flag states to resume regular routing would matter more than rhetoric alone. Reuters and Axios reporting in late April pointed to Iranian proposals linked to reopening the strait, but the key dependency is whether those talks translate into actual sailings recorded by PortWatch. Traders should also watch for official shipping advisories, naval security changes and weekly transit data, since the market resolves on the published seven-day average, not on expectations of future traffic.
Methodology
This page reviews Strait of Hormuz traffic returns to normal by end of June? across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against 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?
- On PolyGram, 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?
- PolyGram 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.
- 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.
- 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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