Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Market UK) Pick polygram.ink (preferred broker) |
3% | 97% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
3% | 97% | 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 |
|---|---|
| August 31 | 3% |
| July 31 | 2% |
Market context
The real-world event at stake is whether Iranian military forces will cross into Kuwait to establish lasting territorial control, rather than conducting short raids or aerial strikes. In prediction markets, a YES share pays out if this specific invasion occurs before the settlement deadline, while a NO share pays out if it does not. The current crowd-implied probability sits at 2% for YES, suggesting traders view a full ground invasion as highly unlikely over the next year.
Historically, Kuwait has faced one major invasion: Iraq’s 1990 attack by 100,000 troops seeking oil reserves and debt cancellation, which triggered the Gulf War and a US-led coalition response that retaken the country within months [1][3]. Unlike that 1990 case, Iran has not mounted a ground invasion of Kuwait; recent Iranian aggression has focused on missile and drone attacks damaging airports, oil facilities, and desalination plants since February 2026, with Kuwait hosting the largest US military presence in the Middle East [2][4]. The market’s 48-hour minimum duration and requirement for established control further distinguish this from transient incursions, aligning the threshold with the scale of the 1990 Iraqi operation rather than recent aerial campaigns.
Traders should watch for official Iranian announcements of a ground operation, shifts in US troop deployments in Kuwait, and any escalation in Strait of Hormuz tensions, which sits roughly 500 miles southeast of Kuwait [2]. A credible catalyst would be a declared military operation crossing the border with sustained ground presence, not merely surveillance or short strikes. Recent reporting notes Iran has surveilled sites where US forces were killed in Kuwait, but this does not equate to an invasion under the market’s rules [7].
Methodology
We track Iran invades Kuwait by 2026? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Prediction Market UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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