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 M25 Idanha-a-Nova 2 Men: Artem Alekseychuk vs Tiago Boschmans Set 1 O/U 8.5 | 100% |
| ITF M25 Idanha-a-Nova 2 Men: Artem Alekseychuk vs Tiago Boschmans Set 1 O/U 9.5 | 100% |
| ITF M25 Idanha-a-Nova 2 Men: Artem Alekseychuk vs Tiago Boschmans Set 1 O/U 10.5 | 100% |
| ITF M25 Idanha-a-Nova 2 Men: Artem Alekseychuk vs Tiago Boschmans Set 2 Winner | 50% |
| ITF M25 Idanha-a-Nova 2 Men: Artem Alekseychuk vs Tiago Boschmans Match O/U 21.5 | 50% |
| ITF M25 Idanha-a-Nova 2 Men: Artem Alekseychuk vs Tiago Boschmans Set 2 O/U 8.5 | 50% |
| ITF M25 Idanha-a-Nova 2 Men: Artem Alekseychuk vs Tiago Boschmans Set Handicap +/-1.5 | 50% |
| ITF M25 Idanha-a-Nova 2 Men: Artem Alekseychuk vs Tiago Boschmans Total Sets: O/U 2.5 | 50% |
| ITF M25 Idanha-a-Nova 2 Men: Artem Alekseychuk vs Tiago Boschmans Set 2 O/U 9.5 | 50% |
| ITF M25 Idanha-a-Nova 2 Men: Artem Alekseychuk vs Tiago Boschmans Match O/U 22.5 | 50% |
| ITF M25 Idanha-a-Nova 2 Men: Artem Alekseychuk vs Tiago Boschmans Set Handicap +/-1.5 | 50% |
| ITF M25 Idanha-a-Nova 2 Men: Artem Alekseychuk vs Tiago Boschmans Set 2 O/U 10.5 | 50% |
| ITF M25 Idanha-a-Nova 2 Men: Artem Alekseychuk vs Tiago Boschmans Match O/U 23.5 | 50% |
| Completed Match | 10% |
| ITF M25 Idanha-a-Nova 2 Men: Artem Alekseychuk vs Tiago Boschmans | 0% |
| ITF M25 Idanha-a-Nova 2 Men: Artem Alekseychuk vs Tiago Boschmans Set 1 Winner | 0% |
Market context
Artem Alekseychuk and Tiago Boschmans are scheduled to meet in qualifying for the ITF M25 Idanha-a-Nova 2 tournament on 17 August 2026. This is a lower-tier professional tennis event where both players are competing for entry into the main draw. The 1% implied probability for Alekseychuk suggests the market has assigned overwhelming confidence to Boschmans, despite this being a qualifying match where outcomes remain inherently volatile across similar-ranked competitors.
ITF M25 qualifying rounds typically feature players ranked between 400 and 800 in the ATP standings, where head-to-head records and recent form carry substantial weight. Boschmans holds a slight edge in the market's assessment, though qualifying matches at this level frequently produce upsets when players are separated by narrow margins in ranking or recent tournament performance. Historical data from comparable ITF events shows that when one player receives less than 5% implied probability, the outcome often reflects either a significant ranking gap, prior direct matchups heavily favouring one player, or recent tournament results that clearly separate the two competitors.
Traders should monitor official ITF announcements regarding any withdrawals or schedule changes in the days preceding the match, as qualifying draws sometimes shift when higher-ranked players enter or withdraw. Recent form from both players' performances at satellite or ITF events in July and early August will be critical; any injury reports or coaching changes should be tracked through the ATP's official injury list and player social media accounts. The settlement window extends to 24 August, allowing seven days beyond the scheduled date for the match to be completed, which provides buffer for potential weather delays common in Portuguese summer tournaments.
Methodology
Sports-specific comparison page for ITF M25 Idanha-a-Nova 2 Men: Artem Alekseychuk vs Tiago Boschmans. 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
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- 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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