Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
BTC Prediction Pick polygram.ink |
1% | 99% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on BTC Prediction → |
Polymarket polymarket.com |
1% | 99% | 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
| Alicia Keys | 1% YES | 99% NO |
| Matthew McConaughey | 49% YES | 52% NO |
| Sabrina Carpenter | 5% YES | 95% NO |
| Adam Sandler | 2% YES | 98% NO |
| Carmelo Anthony | 39% YES | 61% NO |
| Cristiano Ronaldo | 6% YES | 94% NO |
Market context
UFC Freedom 250 is scheduled for 14 June 2026, with the specific attendee in question yet to be publicly confirmed as part of the card or promotional lineup. The event's venue, fighter roster, and celebrity attendance remain unannounced as of early 2026, creating substantial uncertainty around who will be present. The 1% implied probability reflects the market's assessment that this particular individual's attendance is either highly unlikely or dependent on contingencies not yet materialised.
Historical UFC attendance markets show that celebrity and notable figure appearances typically command higher probabilities when announced weeks in advance through official UFC channels or fighter social media. Comparable markets for major sporting events—including Super Bowl and World Cup attendance predictions—demonstrate that unconfirmed attendance by non-competing individuals rarely exceeds 5% probability unless tied to explicit contractual obligations or prior public commitments. The current 1% pricing suggests either no formal announcement has been made or the individual has competing commitments during that window.
Traders should monitor UFC's official fighter and card announcements, expected in April–May 2026, which often include celebrity guest appearances and VIP attendance details. Secondary signals include the individual's public schedule, any prior statements about UFC engagement, and broader MMA industry news outlets such as MMA Junkie or Sherdog. Settlement hinges on credible reporting of physical presence during the event; partial attendance—even brief appearances—satisfies the resolution criteria. The 21 June cancellation buffer provides a two-week grace period, though postponement beyond that date triggers automatic "No" resolution regardless of eventual rescheduling.
Methodology
This page reads Who will attend UFC Freedom 250? on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed for comparison. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
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.
- 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 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.
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