Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Market UK) Pick polygram.ink (preferred broker) |
9% | 91% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
9% | 91% | 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 → |
Market context
The real-world event driving this market is whether the International Court of Justice (ICJ), the International Criminal Court (ICC), or a UN-backed tribunal will formally judge Israel or its leaders guilty of genocide before the end of 2027. In prediction markets, a YES share pays out if this legal finding occurs, while a NO share pays out if it does not; the current 9% implied probability suggests traders see a final conviction as unlikely but not impossible.
Historical precedent frames this low probability, as international courts rarely issue final genocide convictions against state leaders within a few years. The ICJ’s January 2024 ruling found it *plausible* that Israel’s acts could infringe Genocide Convention rights, yet explicitly stated this was not a verdict of breach [4]. Experts note that a final ICJ ruling on whether Israel breached the convention could take until 2028, pushing beyond this market’s deadline [3]. Similarly, ICC proceedings against individuals involve lengthy investigations and appeals, with no prior case of a sitting head of state convicted of genocide in such a short timeframe.
Traders should monitor three key catalysts: the ICJ’s schedule for final hearings, any new arrest warrants or indictments from the ICC, and rulings on compliance with the court’s binding orders. Human Rights Watch recently reported that Israel has failed to comply with the ICJ’s January 2024 order to prevent genocide and enable humanitarian aid, a factor that could influence future legal arguments [2]. Additionally, the number of countries intervening in the ICJ case has grown to 18, including Iceland and the Netherlands, which may strengthen the case’s momentum [3]. A decisive announcement from either court before December 2027 would be the primary trigger for a YES resolution.
Methodology
We track Will an international court find Israel or its leaders guilty of Genocide by December 31, 2027? 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
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
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.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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.
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