Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
27% | 73% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
27% | 73% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
Market context
The event is Raul Castro being physically taken into U.S. government custody by 30 June 2026. That is a much higher bar than a public accusation, indictment, or travel restriction: the market only resolves yes if U.S. personnel actually detain, arrest, capture, or otherwise assume custodial control. Comparable cases suggest traders should discount headline risk unless there is a credible path to physical custody, especially for a foreign former head of state. On current odds, the 27% YES price reflects meaningful geopolitical and legal chatter, but not the sort of operational setup that normally precedes a transfer into U.S. hands.
Recent coverage has focused on a reported Justice Department working group, with one May 2026 report saying Polymarket was pricing a 74% chance of indictment by 30 June, and other outlets describing possible charges linked to the 1996 shoot-down of Brothers to the Rescue planes. That is relevant only insofar as an indictment, if it appears, could sharpen pressure and travel risk; it does not itself move the settlement condition. Traders should watch for formal DOJ announcements, any public mention of extradition requests, arrest warrants, or foreign co-operation, and any change in Castro’s whereabouts or security posture. For market access, the regulatory lens matters: German GlüStV rules can make some crypto-prediction access more constrained, while the US CFTC’s reach is relevant to platform structure and enforcement risk. A “no-KYC up to $1,500” threshold, where offered, would mean small-ticket participation is possible without identity checks, but it does not change the custody standard or the legal ambiguity around access.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Where can I trade this market with the lowest fees?
- On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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 it cost to trade on PolyGram?
- Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.
Trade Ex-Cuba leader Raul Castro in US custody by 2026? on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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