Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) 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 |
|---|---|
| ITF Roehampton: Charles Broom vs Oliver Tarvet | 100% |
| Completed Match | 100% |
| ITF Roehampton: Charles Broom vs Oliver Tarvet Set 1 Winner | 100% |
| ITF Roehampton: Charles Broom vs Oliver Tarvet Set 1 O/U 8.5 | 100% |
| ITF Roehampton: Charles Broom vs Oliver Tarvet Set 2 Winner | 100% |
| ITF Roehampton: Charles Broom vs Oliver Tarvet Total Sets: O/U 2.5 | 0% |
| ITF Roehampton: Charles Broom vs Oliver Tarvet Set 2 O/U 8.5 | 0% |
| ITF Roehampton: Charles Broom vs Oliver Tarvet Match O/U 21.5 | 0% |
| ITF Roehampton: Charles Broom vs Oliver Tarvet Set Handicap +/-1.5 | 0% |
| ITF Roehampton: Charles Broom vs Oliver Tarvet Set 2 O/U 9.5 | 0% |
| ITF Roehampton: Charles Broom vs Oliver Tarvet Set 1 O/U 9.5 | 0% |
| ITF Roehampton: Charles Broom vs Oliver Tarvet Match O/U 22.5 | 0% |
| ITF Roehampton: Charles Broom vs Oliver Tarvet Set 2 O/U 10.5 | 0% |
| ITF Roehampton: Charles Broom vs Oliver Tarvet Set 1 O/U 10.5 | 0% |
| ITF Roehampton: Charles Broom vs Oliver Tarvet Match O/U 23.5 | 0% |
Market context
Charles Broom and Oliver Tarvet are meeting in the ITF Men Roehampton final on grass, with the market currently pricing a very high chance that the match is completed rather than washed out or pushed outside the settlement window. Live and pre-match listings place Broom around ATP No. 287 and Tarvet around No. 436, so the ranking gap is modest rather than decisive, and the event has already produced at least one completed result in live scoring feeds, which is consistent with the market being driven by match-specific form rather than a broad class edge.[2][9][18]
Recent comparable pricing has been more balanced than the current crowd-implied 100% YES on the event being resolved through a winner, with public odds and prediction listings showing Broom or Tarvet well short of certainty and, in some cases, Tarvet trading as the shorter-priced player.[7][10][12][13] That makes the current price more informative about settlement risk than about who wins: if the final is played normally, the market should resolve to one side, whereas the main path to a 50-50 outcome is a cancellation, no result, or a delay beyond seven days from the scheduled date.[11]
The main catalysts are straightforward: whether the final is confirmed for its scheduled Roehampton slot, whether either player withdraws before first ball, and whether any weather or scheduling disruption forces the match beyond the seven-day backstop. Tournament schedule trackers have already shown the tie on the day’s order of play, and live broadcast or draw updates would be the quickest way to spot a late move in status or a walkover risk.[13][14][16]
Methodology
Sports-specific comparison page for ITF Roehampton: Charles Broom vs Oliver Tarvet. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
UK Frequently Asked Questions
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- 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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