Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Nashville SC (-1.5) | 100% |
| Nashville SC (-2.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| O/U 3.5 | 100% |
| O/U 4.5 | 100% |
| Both Teams to Score | 100% |
| Both Teams to Score in First Half | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| 1st Half O/U 2.5 | 100% |
| Nashville SC O/U 0.5 | 100% |
| Nashville SC O/U 1.5 | 100% |
| Nashville SC O/U 2.5 | 100% |
| Atlético San Luis O/U 0.5 | 100% |
| Nashville SC 1st Half O/U 0.5 | 100% |
| Nashville SC 1st Half O/U 1.5 | 100% |
| Atlético San Luis 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| Nashville SC 2nd Half O/U 0.5 | 100% |
| Atlético San Luis (-1.5) | 0% |
| Atlético San Luis (-2.5) | 0% |
| O/U 5.5 | 0% |
| Atlético San Luis O/U 1.5 | 0% |
| Atlético San Luis O/U 2.5 | 0% |
| Atlético San Luis 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| Nashville SC 2nd Half O/U 1.5 | 0% |
| Atlético San Luis 2nd Half O/U 0.5 | 0% |
| Atlético San Luis 2nd Half O/U 1.5 | 0% |
Market context
Nashville SC’s Leagues Cup meeting with Atlético San Luis is a phase-one group match at GEODIS Park, with the market now implying **100% YES** for “More markets”. That price is consistent with the game having been played and settled as a completed fixture, rather than a live sporting uncertainty. The underlying event is straightforward: the sides met on 9 August in Nashville, with official listings showing the match at 8 p.m. ET and the venue as GEODIS Park.[1][2][4][20]
For context, the pre-match frame was a home favourite with a modest but not overwhelming edge, not a no-drama certainty. Leagues Cup’s own preview said Nashville had the stronger home-field setup, while Atlético San Luis arrived with limited international experience and both clubs needing a response after opening defeats.[1] Other match previews likewise described Nashville as a must-win side to preserve qualification hopes, with fixture congestion in August adding pressure on squad rotation and match sharpness.[4][5][19] That sort of setup usually supports a high probability on outcome-linked contract mechanics once the match is officially completed, because on-chain settlement in USDC typically resolves from the final, authoritative result rather than in-game momentum.
The main catalysts to watch in comparable contracts are the competition organiser’s final result feed, any schedule changes, and whether the market definition depends on a specific post-match attribute such as “more markets” classification rather than the scoreline itself. In this case, the relevant operational risk was low because the fixture was fixed, streamed on Apple TV, and had clear pre-event coverage from both the league and club sites.[3][4][5][19][20] Broader crypto conditions matter only at the margin here, but USDC-denominated settlement means traders sometimes also watch exchange liquidity and whale flows around event windows when capital is being recycled across prediction markets.
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 — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
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.
UK Frequently Asked Questions
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- 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%.
Trade Nashville SC vs. Atlético San Luis - More Markets on BTC Prediction
Live order book, 0% fees, USDC settlement in seconds.
Open live market →