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 |
|---|---|
| Brownsburg: Andre Ilagan vs Tristan Schoolkate | 100% |
| Completed Match | 100% |
| Brownsburg: Andre Ilagan vs Tristan Schoolkate Match O/U 21.5 | 100% |
| Brownsburg: Andre Ilagan vs Tristan Schoolkate Set 1 Winner | 100% |
| Brownsburg: Andre Ilagan vs Tristan Schoolkate Total Sets: O/U 2.5 | 100% |
| Brownsburg: Andre Ilagan vs Tristan Schoolkate Set 1 O/U 8.5 | 100% |
| Brownsburg: Andre Ilagan vs Tristan Schoolkate Match O/U 22.5 | 100% |
| Brownsburg: Andre Ilagan vs Tristan Schoolkate Set 1 O/U 9.5 | 100% |
| Brownsburg: Andre Ilagan vs Tristan Schoolkate Match O/U 23.5 | 100% |
| Brownsburg: Andre Ilagan vs Tristan Schoolkate Set 2 Winner | 0% |
| Brownsburg: Andre Ilagan vs Tristan Schoolkate Set 2 O/U 8.5 | 0% |
| Brownsburg: Andre Ilagan vs Tristan Schoolkate Set Handicap +/-1.5 | 0% |
| Brownsburg: Andre Ilagan vs Tristan Schoolkate Set 2 O/U 9.5 | 0% |
| Brownsburg: Andre Ilagan vs Tristan Schoolkate Set Handicap +/-1.5 | 0% |
| Brownsburg: Andre Ilagan vs Tristan Schoolkate Set 1 O/U 10.5 | 0% |
| Brownsburg: Andre Ilagan vs Tristan Schoolkate Set 2 O/U 10.5 | 0% |
Market context
Andre Ilagan and Tristan Schoolkate played in the Brownsburg Challenger quarter-finals on 14 August, with live and post-match listings showing the contest was completed and not left unresolved. That matters for this contract because it appears to be a straightforward one-player-advances market rather than a cancellation or delay case, so the 100% YES crowd price looks anchored to a concluded result rather than to event uncertainty.[1][6][11]
The main historical cue is the pair’s head-to-head: Schoolkate entered having beaten Ilagan twice before, both on hard courts, which explains why pre-match pricing leaned his way and why a near-certain outcome in the market can reflect event completion rather than a strong consensus on the named side. Challenger quarter-finals also tend to settle quickly once scoreboards update, leaving little room for the 7-day delay clause to matter unless there is a late administrative correction.[3][4][10]
Traders should watch for any official tournament draw updates, retirement notation, or walkover correction, because those are the only developments that could override an apparent on-court finish inside the settlement window. The Brownsburg schedule, live-score feeds, and sportsbook listings all point to the same match-up and timing, while the broader crypto backdrop is secondary here unless USDC market plumbing or BTC/ETH volatility affects venue liquidity rather than contract logic.[1][2][11][14]
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%.
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