Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Is Kalshi Legit) Pick polygram.ink (preferred broker) |
47% | 53% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
47% | 53% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| December 31 | 47% |
| September 30 | 32% |
| August 31 | 24% |
| August 18 | 20% |
| August 13 | 9% |
| July 31 | 2% |
| June 30 | 0% |
Market context
The underlying real-world event is a newly signed initial pact between the United States and Iran, finalised by President Trump on 14 June 2026, which mandates Tehran to reduce its highly enriched uranium stockpile and suspends US sanctions in exchange for a 60-day window to negotiate a permanent nuclear settlement[1]. This interim agreement reopens the Strait of Hormuz and aims for a total cessation of hostilities, though Trump retains the option to resume military actions if negotiations falter[1].
Historically, comparable cases like the 2015 Joint Comprehensive Plan of Action suggest that initial diplomatic frameworks often precede final deals, yet the current 0% crowd-implied probability reflects deep scepticism regarding Iran’s willingness to commit to a 15-year enrichment freeze, a key US demand that Iran has previously resisted with a 10-year proposal[4]. Unlike the 2015 deal which only lifted specific sanctions for reduced enrichment, this new arrangement promises broader sanctions removal and asset releases, yet the timeline for these concessions remains vague and tied to uncertain progress[1].
Traders must monitor the scheduled 60-day negotiation window, any announcements regarding the release of frozen Iranian assets, and the IAEA’s ability to inspect nuclear sites as mandated by the memorandum of understanding[2][5]. Recent disruptions, including Israel’s overnight attack on Lebanon which postponed peace talks, highlight the fragility of the process and the dependency on regional stability for negotiations to proceed[7]. In regulatory terms, German GlüStV implications and US CFTC reach define the market’s legal framework, while the 'no-KYC up to $1,500' threshold ensures accessible participation for retail traders without stringent identity verification, provided they remain within the specified limit.
Methodology
This overview of US-Iran Final Nuclear Deal 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 Legit 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 Legit 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.
- 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), Is Kalshi Legit would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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