Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Tax UK) Pick polygram.ink (preferred broker) |
2% | 98% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
2% | 98% | 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
Iran recently struck a vessel in the Strait of Hormuz, directly threatening peace talks and prompting the US to demand a public pledge that the waterway remains open and untargeted[1][2]. This aggressive action, carried out by the Islamic Revolutionary Guard Corps, contradicts earlier assurances from Oman that Iran had affirmed commitment to toll-free safe passage, creating a volatile backdrop for the current 2% market probability[1].
Historical precedents show Iran frequently uses the strait as leverage, often conditioning passage on political alignment rather than issuing blanket non-aggression commitments[3]. While the US explicitly demands a declarative statement acknowledging all channels are open and ships will not be shot at, Tehran has historically resisted such unambiguous pledges, preferring conditional access for "non-hostile" vessels while barring US and Israeli-linked traffic[3][5]. This pattern of conditional transit rather than absolute commitment explains the low crowd-implied probability of a formal "no-attack" announcement.
Traders must monitor the upcoming negotiations in Oman, led by US Vice President JD Vance, where the US is seeking a concrete promise of open navigation[5]. A qualifying announcement requires a clear, unambiguous declaration of policy not to attack ships, a threshold Iran has not yet met despite sanctions targeting its financial network[2][9]. For accessibility on polymarket-tax.co.uk, German GlüStV implications and US CFTC reach remain relevant, but the "no-KYC up to $1,500" feature allows traders to access this specific market without identity verification, provided they stay within the threshold.
Methodology
This overview of Iran commits not to attack ships in Hormuz by Sunday? 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 Tax UK has a different geo footprint.
- Do I need to KYC for Polymarket Tax UK?
- Not for lifetime trading volume under $1,500. Above that threshold, a quick KYC flow kicks in — ID, selfie, approximately 5-10 minutes. The threshold matches FATF travel standards for unregulated crypto platforms.
- Can I trade anonymously?
- Pseudonymously, yes — up to the KYC threshold. Polymarket Tax 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 Tax 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.
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