Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Bot UK) Pick polygram.ink (preferred broker) |
50% | 50% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
50% | 50% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Quebec City: Alexei Popyrin vs Hugo Gaston Set 2 Winner | 50% |
| Quebec City: Alexei Popyrin vs Hugo Gaston Set 2 O/U 8.5 | 50% |
| Quebec City: Alexei Popyrin vs Hugo Gaston Set 1 O/U 8.5 | 50% |
| Quebec City: Alexei Popyrin vs Hugo Gaston Set 1 Winner | 50% |
| Quebec City: Alexei Popyrin vs Hugo Gaston Total Sets: O/U 2.5 | 50% |
| Quebec City: Alexei Popyrin vs Hugo Gaston Match O/U 21.5 | 50% |
| Quebec City: Alexei Popyrin vs Hugo Gaston Set Handicap +/-1.5 | 50% |
| Quebec City: Alexei Popyrin vs Hugo Gaston Set 1 O/U 9.5 | 50% |
| Quebec City: Alexei Popyrin vs Hugo Gaston Match O/U 22.5 | 50% |
| Quebec City: Alexei Popyrin vs Hugo Gaston Set 2 O/U 9.5 | 50% |
| Quebec City: Alexei Popyrin vs Hugo Gaston Set Handicap +/-1.5 | 50% |
| Quebec City: Alexei Popyrin vs Hugo Gaston Set 1 O/U 10.5 | 50% |
| Quebec City: Alexei Popyrin vs Hugo Gaston Match O/U 23.5 | 50% |
| Quebec City: Alexei Popyrin vs Hugo Gaston Set 2 O/U 10.5 | 50% |
| Quebec City: Alexei Popyrin vs Hugo Gaston | 0% |
| Completed Match | 0% |
Market context
The ATP 250 event in Quebec City scheduled for 20 August 2026 will feature Australian Alexei Popyrin against French qualifier Hugo Gaston in what appears to be an early-round encounter. Popyrin, ranked in the top 30, enters as the clear favourite based on recent form and seeding status, whilst Gaston—a journeyman competitor with limited ATP main-draw appearances—would require a significant upset to progress. The 0% crowd probability reflects standard market behaviour when one player holds a pronounced ranking and experience advantage; such markets typically remain dormant until external information shifts the calculus.
Historical precedent suggests Gaston's path to advancement depends on Popyrin underperforming or withdrawing. Gaston has won fewer than 15 ATP main-draw matches across his career and holds a losing record against players ranked above 50. Comparable matchups involving 20+ ranking gaps show the higher-ranked player advances 85–90% of the time in early rounds. The current probability assignment aligns with these baseline expectations rather than reflecting genuine uncertainty about the outcome.
Traders monitoring this market programmatically should track three variables: Popyrin's injury status and training reports in the week preceding 20 August; confirmation of the match schedule (weather delays or draw adjustments could trigger the 50-50 resolution clause); and any late ranking shifts affecting seeding. ATP official announcements and player social media activity typically provide the earliest signals. The settlement window closes 27 August, allowing a seven-day buffer for rescheduling before resolution locks.
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 Polymarket Bot UK, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
UK Frequently Asked Questions
- 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.
- 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.
- 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 Quebec City: Alexei Popyrin vs Hugo Gaston on Polymarket Bot UK
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