Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Legal UK) Pick polygram.ink (preferred broker) |
14% | 86% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
14% | 86% | 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 → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| July 31 | 14% |
| July 14 | 4% |
| July 7 | 1% |
| June 30 | 0% |
Market context
Zero ships transiting the Strait of Hormuz on any date between June 26 and July 2026 would trigger a full halt in commercial navigation through a choke point handling 21% of global oil supply. This event hinges on IMF PortWatch publishing a daily arrival count of zero, a threshold already approached during the June 2026 conflict when crude exports dropped 90% and ten of the last nineteen days showed zero activity[1]. Historical precedents from April 2026 confirm the strait can close abruptly: it reopened briefly on 21 April before shutting again the next day, leaving over 150 vessels stranded and war-risk insurance premiums at 16 times normal rates[5]. The current 0% crowd-implied probability reflects the June 17 US–Iran agreement guaranteeing immediate resumption of commercial navigation, with 25 vessels recorded on a single Thursday as the highest volume since April[2].
Traders must monitor the 19 July deadline for the US to lift its naval blockade of Iranian ports, a condition tied to Iran’s commitment to restore pre-war traffic levels within the same window[2]. Key catalysts include any reversal of the reopening, security incidents prompting Iran to re-impose tolls or close the waterway, and delays in Gulf neighbour negotiations over toll arrangements beyond the initial 60-day toll-free period[2]. Recent data shows traffic is slowly picking up post-agreement, but ships still transit without AIS in high-risk scenarios, meaning IMF PortWatch counts could understate actual movements or show zero if reporting fails[3]. A sudden spike in military activity or a security incident similar to those that closed the strait in late April would be the primary trigger for a zero-transit day.
Regulatory access for UK traders is shaped by German GlüStV provisions allowing no-KYC participation up to €1,500, while US CFTC reach remains limited for non-US entities. This market’s accessibility depends on whether the platform qualifies under EU sandbox exemptions, with KYC thresholds determining whether retail users can enter positions without identity verification. The $1,500 no-KYC limit enables direct exposure to Hormuz closure risk without full compliance burdens, provided the platform maintains appropriate licensing under UK FCA and EU MiFID II frameworks.
Methodology
This overview of 0 ships transit Hormuz on any date by..? 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.
- 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.
- 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 0 ships transit Hormuz on any date by..? on Polymarket Legal UK
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