Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Is Kalshi Legal in California) Pick polygram.ink (preferred broker) |
14% | 86% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
14% | 86% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| July 31 | 14% |
| July 14 | 9% |
| 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 signal a total closure of the world’s most critical oil chokepoint, disrupting roughly 21% of global oil supply and 25% of LNG trade [5][10]. This outcome hinges on IMF PortWatch publishing a daily arrival count of zero, a threshold not met since the strait’s brief reopening on 21 April 2026, which was reversed the following day amid security incidents [5][9].
Historical precedents show that even brief closures trigger immediate market shocks: during the February 2026 conflict, traffic fell to near-standstill, crude prices surged over 30%, and war-risk insurance premiums exceeded 16 times normal rates [4][5]. The current 0% crowd-implied probability reflects the June 17 US–Iran agreement guaranteeing immediate commercial navigation, with 25 vessels already recorded traversing the strait by late June—the highest volume since April [2]. However, the deal does not confirm Iran’s long-term authority over the strait, and tolls may be reintroduced after 60 days, creating regulatory uncertainty [2].
Traders should monitor the 19 July deadline for the US to lift its naval blockade and Iran’s commitment to restore pre-war traffic levels, alongside any announcements from AXSMarine or Kpler on vessel counts [2][6]. German GlüStV implications and US CFTC reach mean this market operates under strict regulatory oversight, while ‘no-KYC up to $1,500’ allows accessible participation for users within those thresholds without identity verification. Recent data confirms crude exports through Hormuz are down 90% since the June deal, with zero activity on 10 of the last 19 days, underscoring volatility despite the agreement [1].
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. Is Kalshi Legal in California 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. Is Kalshi Legal in California 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. Is Kalshi Legal in California 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).
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