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 |
|---|---|
| Istanbul 2: Antoine Ghibaudo vs Max Basing | 100% |
| Istanbul 2: Antoine Ghibaudo vs Max Basing Set 1 Winner | 100% |
| Istanbul 2: Antoine Ghibaudo vs Max Basing Set 2 Winner | 50% |
| Istanbul 2: Antoine Ghibaudo vs Max Basing Total Sets: O/U 2.5 | 50% |
| Istanbul 2: Antoine Ghibaudo vs Max Basing Match O/U 21.5 | 50% |
| Istanbul 2: Antoine Ghibaudo vs Max Basing Set 2 O/U 8.5 | 50% |
| Istanbul 2: Antoine Ghibaudo vs Max Basing Set Handicap +/-1.5 | 50% |
| Istanbul 2: Antoine Ghibaudo vs Max Basing Match O/U 22.5 | 50% |
| Istanbul 2: Antoine Ghibaudo vs Max Basing Set Handicap +/-1.5 | 50% |
| Istanbul 2: Antoine Ghibaudo vs Max Basing Set 2 O/U 9.5 | 50% |
| Istanbul 2: Antoine Ghibaudo vs Max Basing Match O/U 23.5 | 50% |
| Istanbul 2: Antoine Ghibaudo vs Max Basing Set 2 O/U 10.5 | 50% |
| Completed Match | 0% |
| Istanbul 2: Antoine Ghibaudo vs Max Basing Set 1 O/U 8.5 | 0% |
| Istanbul 2: Antoine Ghibaudo vs Max Basing Set 1 O/U 9.5 | 0% |
| Istanbul 2: Antoine Ghibaudo vs Max Basing Set 1 O/U 10.5 | 0% |
Market context
Antoine Ghibaudo and Max Basing are due to meet in the Istanbul Challenger quarter-final on outdoor hard courts, with the scheduled start already through the morning UTC slot and live listings now treating the fixture as the immediate event to watch.[1][8] The market sitting at **100% YES** reflects that the match is on the board and has a live start time, but the settlement rule still hinges on an actual winner or advancement rather than simply a scheduled fixture.[1][17]
The pricing sits against a relatively clear paper edge for Basing, who is higher ranked than Ghibaudo in the live pre-match listings, while several feeds also place him as the projected favourite.[1][6][13] That said, comparable Challenger match-ups with a ranking gap but no head-to-head history can move quickly once first-serve data arrives, and one preview notes the pair have no prior professional meetings, which limits historical guidance.[2][11][12]
For traders, the main catalysts are straightforward: official court scheduling, whether the match starts on Court B as listed, and any late change to order of play or retirement/abandonment risk if the contest is interrupted.[1][3][8] Weather and venue conditions are relevant only insofar as they affect whether play proceeds on the hard court, while the most important dependency for the market is whether a winner is recorded within the settlement window or the match is voided to 50-50 under the no-result rules.[1][16]
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
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Prediction Today. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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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