Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Legal UK) Pick polygram.ink (preferred broker) |
10% | 90% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
10% | 90% | 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 |
|---|---|
| December 31 | 10% |
| September 30 | 5% |
| August 31 | 2% |
| April 30 | 0% |
| June 30 | 0% |
| July 31 | 0% |
| July 31 | 0% |
| May 31 | 0% |
Market context
The real-world event is whether the United States actually takes physical custody of Iranian enriched uranium, not whether a deal is struck or a transfer is promised. That matters because recent reporting has described talk of retrieval, but also clear Iranian resistance and no public confirmation of handover; Reuters reported on 21 May that President Trump said the U.S. would “retrieve” Iran’s stockpile, while later Reuters reporting said Iran had not agreed to hand over its highly enriched uranium stockpile.[6][12][14]
Historically, the market should be read against a record of negotiated limits rather than seizure. Under the JCPOA framework, Iran reduced stockpiles and accepted tighter enrichment limits, but that was an international compliance regime, not U.S. possession of the material.[3][16] More recent background from the CFR notes that Iran has exceeded prior stockpile limits and restricted IAEA access since the U.S. left the deal, which makes verified physical transfer harder to infer from diplomacy alone.[8] In probability terms, that helps explain why a 0% crowd view can persist: the settlement standard requires official U.S. confirmation of custody, a much narrower event than statements about elimination, removal, or future acquisition.[6][11]
For traders, the main catalysts are formal announcements from the White House, Pentagon, State Department, or IAEA-linked diplomacy that specify actual custody, transport, or receipt; schedule language around inspections, talks, or ceasefire-linked nuclear steps is not enough unless it confirms possession.[4][6][12] The practical accessibility layer also matters: a no-KYC threshold up to $1,500 generally means the market is reachable for smaller positions without identity checks, but that does not change settlement logic or legal scope. On regulatory framing, German GlüStV rules are relevant for access and offer restrictions in Germany, while U.S.-facing venues can sit within CFTC reach depending on product structure; for this market, the key point is that accessibility is separate from whether the event can ever resolve Yes.
Methodology
This overview of US obtains Iranian enriched uranium by 2026? 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.
- 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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