Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Legal UK) Pick polygram.ink (preferred broker) |
8% | 92% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
8% | 92% | 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
The Strait of Hormuz has been effectively closed for 100 days, with commercial transit reduced to a near-trickle despite a US-Iran ceasefire in April 2026, leaving over 150 vessels stranded and oil prices surging as Iran maintains control through asymmetric threats like drones and missiles[2][3]. This operational closure marks the first time in modern history that this critical geo-strategic chokepoint, which handles roughly 21% of the world’s oil supply, has been shut, forcing reroutes via the Cape of Good Hope and adding up to 14 extra transit days[3][4].
Historical precedents for such prolonged chokepoint closures, including the Bab el-Mandeb disruptions, suggest that traffic rarely rebounds to normal levels without a definitive diplomatic resolution or military de-escalation, framing the current 10% crowd-implied probability as a realistic assessment of the low likelihood of a 60-ship daily average by July 7[2][4]. Traders should monitor upcoming US-Iran negotiation schedules, any announcements regarding Iranian toll implementations, and shifts in war-risk insurance premiums, which have already spiked to over 16 times normal rates, as these are key dependencies for reopening[2][4]. Recent data from June 18 showed a brief uptick to 25 vessels, yet this remains far below the 60-ship threshold required for the market to resolve to “Yes”[8].
From a regulatory perspective, this market’s accessibility is influenced by German GlüStV implications and US CFTC reach, particularly regarding the “no-KYC up to $1,500” provision that allows retail traders to participate without identity verification, though payments to Iranian entities for passage remain sanctioned for US persons and foreign entities under US Treasury advisories[2]. While the market offers a speculative avenue on geopolitical outcomes, the settlement relies strictly on IMF Portwatch data, meaning ships not reported by the platform will not count toward the threshold, reinforcing the need for precise data tracking rather than anecdotal evidence[7].
Methodology
This overview of Strait of Hormuz traffic returns to normal by July 7? 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
- 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.
- Can I trade anonymously?
- Pseudonymously, yes — up to the KYC threshold. Polymarket Legal UK stores an email address and wallet addresses rather than a legal name. Over $1,500 lifetime volume triggers KYC, after which identity is no longer anonymous.
- 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.
- Is there a withdrawal cap?
- No platform-side cap. You can withdraw any amount provided KYC is complete. SEPA bank withdrawals over €15,000 trigger additional anti-money-laundering checks (statutory obligation for all platforms).
Trade Strait of Hormuz traffic returns to normal by July 7? on Polymarket Legal UK
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