Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Germany Legal) Pick polygram.ink (preferred broker) |
22% | 78% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
22% | 78% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| December 31 | 22% |
| October 31 | 16% |
| August 31 | 1% |
| July 31 | 0% |
Market context
The underlying question concerns whether International Atomic Energy Agency inspectors will gain physical access to any of three Iranian nuclear facilities—Isfahan, Fordow, or Natanz—before the end of 2026. Such visits would represent a significant diplomatic development, as IAEA access to these sites has been restricted or suspended at various points over the past decade, particularly following Iran's nuclear programme escalations and the collapse of the Joint Comprehensive Plan of Action monitoring arrangements in 2020.
Historical precedent suggests that IAEA access to these facilities depends entirely on bilateral negotiations between Tehran and the Agency, mediated through diplomatic channels. The last confirmed IAEA inspections at Natanz and Fordow occurred in 2021 under limited protocols; Isfahan has hosted IAEA visits more recently but access remains contingent on political conditions. The 0% crowd probability reflects the current diplomatic stalemate: Iran has not granted comprehensive IAEA access since 2020, and no announced negotiations suggest imminent restoration of such arrangements within the settlement window.
Traders should monitor announcements from the IAEA's Board of Governors meetings, statements from Iran's Atomic Energy Organisation, and any multilateral nuclear diplomacy initiatives involving the European Union or UN Security Council. Recent reporting from the IAEA's November 2024 quarterly reports indicates continued restrictions on inspector access, though the Agency has maintained dialogue channels. Any shift in US sanctions policy following electoral transitions, or Iranian willingness to re-engage on nuclear verification, would represent material catalysts for reassessing this market's probability.
Methodology
This overview of IAEA visits Isfahan, Fordow, or Natanz nuclear site 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
- Do I need to KYC for Polymarket Germany Legal?
- 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.
- 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 Germany Legal 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 Germany Legal 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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