Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Legal UK) Pick polygram.ink (preferred broker) |
53% | 47% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
53% | 47% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Market context
Shipping through the Strait of Hormuz remains significantly below pre-war levels despite a June 2026 US–Iran deal to reopen the route, with daily transit calls averaging under 40 vessels rather than the required 60 for normalisation[5][10]. Historical patterns from the February 2026 blockade show traffic plummeting by 70% within days, and even after the April ceasefire, volumes lingered at less than 10% of typical flows for weeks[1][6]. The current 52% crowd-implied probability reflects fragile confidence: while 25 commercial vessels crossed in late June—marking the highest volume since April—analysts warn recovery is uneven and insurance costs remain elevated[12][11].
Traders must monitor the July 19 deadline for the US Navy to fully lift its naval blockade on Iranian ports, a key dependency in the agreement that mandates Iran’s “best efforts” to restore pre-war traffic within the same timeframe[12]. Any renewed attacks on cargo ships, such as the Thursday incident that halted UN evacuation plans, could immediately derail progress[4]. Additionally, the expiration of the 60-day toll exemption in late August will test whether Iran proceeds with cryptocurrency tolls or negotiates a new governance framework with Oman and Gulf states, potentially reintroducing friction[1][10].
For accessibility, the market operates under a regulatory framework where German GlüStV implications limit operator licensing, while US CFTC reach remains ambiguous for non-registered platforms. The ‘no-KYC up to $1,500’ threshold allows traders to access this specific market without identity verification, provided they stay within the limit, though larger positions trigger standard compliance checks. This structure balances regulatory caution with user privacy, keeping the market open to retail participants despite the geopolitical sensitivity.
Methodology
This overview of Strait of Hormuz traffic returns to normal by December 31? reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.
Resolution & payout
On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.
FAQ
- Is Polymarket legal in my country?
- Polymarket is geo-blocked in the US/UK/EU. Actual usage via the Polymarket interface is not possible there. The legal status itself varies — many countries treat prediction markets as a gray area. Polymarket Legal UK has a different geo footprint.
- How are winnings taxed?
- Tax treatment varies by jurisdiction. In most countries, prediction market gains are treated as ordinary income or capital gains. We cannot provide tax advice — consult a tax professional for your specific situation.
- What happens during a tax audit?
- You're responsible for documenting your trades. Polymarket Legal UK exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
- Are prediction markets gambling?
- Legally unclear in most jurisdictions. Some interpretations classify them as wagering (gambling regulation applies), others as derivatives (financial regulation applies). There's no global precedent specifically for on-chain prediction markets.
- What if regulation changes?
- If regulation changes in your jurisdiction (e.g. prediction markets are banned), Polymarket Legal UK would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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