Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
BTC Prediction Pick polygram.ink |
31% | 69% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on BTC Prediction → |
Polymarket polymarket.com |
31% | 69% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on BTC Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on BTC Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on BTC Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on BTC Prediction → |
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 BTC Prediction.
Active sub-markets
| O'Malley to win by KO/TKO? | 31% YES | 70% NO |
| Fight won by submission? | 6% YES | 94% NO |
| O/U 0.5 Rounds | 72% Over | 28% Under |
| Aiemann Zahabi vs. Sean O'Malley | 23% Aiemann Zahabi | 78% Sean O'Malley |
| Fight to Go the Distance? | 60% YES | 40% NO |
| Fight won by KO/TKO? | 35% YES | 65% NO |
Market context
Sean O'Malley faces Aiemann Zahabi in a bantamweight contest on the UFC Freedom 250 card scheduled for 14 June 2026. The market currently prices Zahabi's victory at 31 per cent, implying O'Malley as the favoured outcome. Settlement occurs on-chain via USDC against official UFC declaration of the winner; any draw, no-contest ruling, or postponement beyond 28 June triggers a 50-50 split.
O'Malley's recent trajectory—including his title loss to Ilia Topuria in late 2024 and subsequent repositioning within the division—establishes the baseline for reading this matchup. Zahabi, a Canadian prospect with solid technical credentials, represents a meaningful step up in competition but operates outside the elite tier where O'Malley has competed. Historical bantamweight rematches and comeback fights following title losses show high variance in outcomes; fighters either reassert dominance or struggle with confidence and ring rust. The 31 per cent probability for Zahabi reflects market acknowledgement of O'Malley's pedigree whilst crediting Zahabi's technical soundness.
Traders should monitor fighter health disclosures and training camp reports through May 2026, as injuries or coaching changes materially shift the implied edge. UFC official weigh-in results on 13 June provide final confirmation of both fighters' conditioning. Any last-minute schedule shifts or venue changes could affect fighter preparation. On-chain liquidity for this market may correlate with broader sports betting flows and macro sentiment around UFC events; funding rates on perpetual contracts tracking sports betting volatility can signal retail positioning shifts ahead of the settlement window close on 15 June 2026.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — are listed with their platform attributes, because they operate off-chain and a 1:1 comparison of contract mechanics isn't possible.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- Is this market available outside the US?
- BTC Prediction is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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 BTC Prediction?
- Zero. BTC Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, BTC Prediction triggers a quick verification flow that finishes in minutes.
- 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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