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 |
|---|---|
| Roehampton: Michael Geerts vs Radu Albot | 100% |
| Completed Match | 100% |
| Roehampton: Michael Geerts vs Radu Albot Set 2 Winner | 100% |
| Roehampton: Michael Geerts vs Radu Albot Total Sets: O/U 2.5 | 100% |
| Roehampton: Michael Geerts vs Radu Albot Set 1 O/U 8.5 | 100% |
| Roehampton: Michael Geerts vs Radu Albot Set 2 O/U 8.5 | 100% |
| Roehampton: Michael Geerts vs Radu Albot Match O/U 21.5 | 100% |
| Roehampton: Michael Geerts vs Radu Albot Match O/U 22.5 | 100% |
| Roehampton: Michael Geerts vs Radu Albot Set 1 O/U 9.5 | 100% |
| Roehampton: Michael Geerts vs Radu Albot Set 2 O/U 9.5 | 100% |
| Roehampton: Michael Geerts vs Radu Albot Match O/U 23.5 | 100% |
| Roehampton: Michael Geerts vs Radu Albot Set 1 Winner | 0% |
| Roehampton: Michael Geerts vs Radu Albot Set Handicap +/-1.5 | 0% |
| Roehampton: Michael Geerts vs Radu Albot Set Handicap +/-1.5 | 0% |
| Roehampton: Michael Geerts vs Radu Albot Set 1 O/U 10.5 | 0% |
| Roehampton: Michael Geerts vs Radu Albot Set 2 O/U 10.5 | 0% |
Market context
Michael Geerts and Radu Albot are scheduled to compete at Roehampton on 19 August 2026, with the match originally set for 7:30 AM ET. The market currently reflects 100% implied probability for Geerts, suggesting either strong conviction in his form or minimal liquidity depth at the current odds. Settlement occurs on 26 August, allowing a seven-day window for completion; any cancellation, tie, or unfinished match beyond that deadline triggers a 50-50 resolution.
Geerts, a Belgian player ranked in the lower ATP tiers, has shown inconsistent results on grass courts historically. Albot, the Moldovan veteran, remains a capable competitor despite age-related decline in recent seasons. Previous matchups between players of similar ranking at Roehampton have often hinged on surface adaptation rather than raw talent gaps. The 100% probability likely reflects either Geerts' recent grass-court form or a data feed anomaly; comparable ATP 250 matches typically settle with 55–70% conviction for the favoured player.
Traders should monitor ATP injury reports and withdrawal announcements through the official ATP Tour schedule, particularly in the week preceding 19 August. Roehampton's scheduling occasionally compresses due to weather or court availability, which could affect player preparation. On-chain volume and funding rates on btc-prediction.bet may shift if either player publishes recent match footage or ranking updates. The settlement window's seven-day buffer is material; delayed matches that remain unresolved by 26 August 11:30 UTC will split the contract 50-50, creating tail-risk exposure for positions taken at extreme odds.
Methodology
This page reads Roehampton: Michael Geerts vs Radu Albot 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 alongside for venue context. 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.
UK Frequently Asked Questions
- 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.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- 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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