Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Fight to Go the Distance? | 100% |
| O/U 0.5 Rounds | 100% |
| O/U 1.5 Rounds | 100% |
| O/U 2.5 Rounds | 100% |
| Fight won by KO/TKO? | 3% |
| Amanda Lemos vs. Alexia Thainara | 0% |
| Lemos to win by KO/TKO? | 0% |
| Thainara to win by KO/TKO? | 0% |
| Fight won by submission? | 0% |
Market context
Amanda Lemos and Alexia Thainara were still priced as a clear mismatch in the hours before UFC Fight Night, with multiple markets leaning towards Thainara while a few previews flagged Lemos as a live underdog because of her experience and power. Recent betting and preview material put Thainara around the mid-\\-200s and Lemos around +195 to +215, which is consistent with a market that expects Thainara to control more of the fight but leaves room for an upset if Lemos can keep the bout at striking range.[2][3][10][15]
That 0% crowd-implied probability on Lemos is very aggressive, but it fits the wider pattern for this matchup: Lemos is 15-6-1 and comes in off consecutive unanimous-decision losses, while Thainara is 14-1 and unbeaten in the UFC through three outings.[3][14][16] Comparable pre-fight reads also pointed to a decision-heavy script, with several analysts and models favouring Thainara by decision and noting that Lemos’ best path is an early or mid-fight strike-based finish rather than a prolonged grappling exchange.[3][11][14][17]
The main catalysts now are simple: whether the bout is officially completed on the UFC card, and whether the result comes through as a clean decision, stoppage, or an administrative outcome such as a no contest or cancellation before the settlement cut-off. Live market watchers were still looking at the scheduled UFC Apex timing and Paramount+ broadcast window, so any late bout-order change, medical issue, or scorecard dispute would matter more here than pre-fight narrative.[3][11][20]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $506K.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Today, which mirrors the Polymarket order book directly.
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.
UK Frequently Asked Questions
- 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.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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