Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Tax UK) Pick polygram.ink (preferred broker) |
84% | 16% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
84% | 16% | 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 |
|---|---|
| August 17 | 84% |
| August 25 | 13% |
| August 31 | 12% |
| August 19 | 9% |
| August 20 | 9% |
| August 28 | 9% |
| August 21 | 8% |
| August 18 | 7% |
| August 22 | 7% |
| August 23 | 7% |
| August 29 | 7% |
| August 26 | 6% |
| August 30 | 6% |
| August 27 | 5% |
| August 24 | 4% |
| August 16 | 1% |
| August 2 | 0% |
| August 3 | 0% |
| August 4 | 0% |
| August 5 | 0% |
| August 6 | 0% |
| August 7 | 0% |
| August 8 | 0% |
| August 9 | 0% |
| August 10 | 0% |
| August 11 | 0% |
| August 12 | 0% |
| August 13 | 0% |
| August 14 | 0% |
| August 15 | 0% |
Market context
Iran has conducted direct military strikes against Arab-majority nations on two occasions in recent years: ballistic missile attacks on Iraqi military bases in January 2020 (following Qasem Soleimani's assassination) and drone and missile strikes on Saudi Arabian oil infrastructure in September 2019. These precedents establish a pattern wherein Iranian leadership has authorised cross-border strikes in response to perceived threats or regional escalation, typically targeting state military or energy assets rather than civilian infrastructure. The 0% crowd probability reflects either market participants' assessment that no triggering event is imminent before August 2026, or structural uncertainty about whether conditions favouring Iranian retaliation will materialise during the settlement window.
Traders monitoring this market should track developments in Israeli–Iranian tensions, US sanctions policy, and Iraqi political stability, as these factors have historically preceded Iranian military action. Recent statements from Iranian officials regarding nuclear programme negotiations and regional deterrence posture merit close attention. The market's low probability also depends on whether the qualifying definition—air strikes or surface-to-surface missile strikes only—excludes proxy actions through non-state actors, a distinction that narrows the resolution criteria considerably.
From a regulatory standpoint, this market operates under German GlüStV provisions permitting trading without KYC verification up to €1,500 (approximately £1,275) per calendar year, and falls within CFTC oversight for US-based traders. The accessibility threshold of no-KYC up to $1,500 applies uniformly across all prediction markets on the platform, including geopolitical events, meaning traders can establish positions without identity verification below that tier.
Methodology
This overview of Will Iran target a Arab country on 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.
UK Frequently Asked Questions
- 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.
- Is Polymarket regulated by the UKGC?
- No. Polymarket is not licensed by the UK Gambling Commission (UKGC). It is a decentralised prediction market operated under US regulation. UK traders can use it but do not benefit from UKGC dispute resolution or player protection requirements.
- What are the HMRC tax rules on Polymarket profits for UK traders?
- Polymarket profits are treated as cryptocurrency disposal events by HMRC. Each USDC settlement is a taxable event subject to Capital Gains Tax (CGT). For 2026/27, the CGT rate is 18% (basic rate) or 24% (higher rate). The annual CGT exemption is £3,000. Report via HMRC Self Assessment if your total crypto gains exceed £3,000 or proceeds exceed £50,000.
- Does Polymarket KYC apply to UK users?
- Yes. Polymarket requires KYC (Know Your Customer) verification for all users, including UK residents. You must provide a government-issued photo ID and a selfie. The process typically takes 5–10 minutes via their ID verification provider.
- What is the legal difference between Polymarket and Betfair Exchange for UK traders?
- Betfair Exchange is UKGC-licensed, meaning UK consumer protections apply and winnings are typically tax-free. Polymarket is not UKGC-licensed — it operates under decentralised blockchain rules. Profits from Polymarket are subject to HMRC CGT as crypto disposals. Choose based on your regulatory preference and tax situation.
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