Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
1% | 99% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
1% | 99% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Kalshi UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Kalshi UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Kalshi UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Kalshi UK → |
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 Kalshi UK.
Active sub-markets
| Alicia Keys | 1% YES | 99% NO |
| Matthew McConaughey | 49% YES | 52% NO |
| Sabrina Carpenter | 5% YES | 95% NO |
| Adam Sandler | 1% YES | 99% NO |
| Carmelo Anthony | 39% YES | 61% NO |
| Cristiano Ronaldo | 24% YES | 76% NO |
Market context
The UFC Freedom 250 event takes place on 14 June 2026, with this particular market tracking whether a specific individual will be physically present during any portion of the card. Polymarket currently prices YES at 1%, reflecting either substantial uncertainty about the fighter's availability or low baseline expectations of attendance. On-chain, this conditional token trades against USDC on Polygon, settling according to credible reporting consensus by 15 June 2026 at 03:59 UTC.
Historical UFC attendance markets show that fighter participation probabilities shift dramatically once official bout announcements materialise. When fighters are formally matched and promotional schedules confirmed, YES probabilities typically rise from single-digit percentages to 40–70% ranges, depending on injury history and contractual status. Conversely, markets tracking attendance by non-roster figures—commentators, celebrity guests, or retired athletes—tend to remain depressed unless explicit confirmation emerges from UFC or the individual's representatives.
The critical catalyst for this market is official bout confirmation from the UFC. Traders should monitor UFC.com, fighter social media accounts, and mainstream sports reporting for fight announcements targeting that card date. Injury reports, suspension statuses, or scheduling conflicts involving the individual would move probabilities downward. The settlement window closes before the event concludes, so any last-minute cancellations or no-shows occurring after 15 June 2026 03:59 UTC cannot alter the resolution, creating a hard deadline for confirmation evidence.
Methodology
This page reviews Who will attend UFC Freedom 250? across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Kalshi UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.
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
- Where can I trade this market with the lowest fees?
- On Kalshi UK, 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.
- Is this market available outside the US?
- Kalshi UK 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Kalshi UK triggers a quick verification flow that finishes in minutes.
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