Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Review UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| ITF W75 Kursumlijska Banja 2 Women: Sofya Lansere vs Lisa Zaar Match O/U 21.5 | 100% |
| ITF W75 Kursumlijska Banja 2 Women: Sofya Lansere vs Lisa Zaar Set 1 O/U 8.5 | 100% |
| ITF W75 Kursumlijska Banja 2 Women: Sofya Lansere vs Lisa Zaar Total Sets: O/U 2.5 | 100% |
| ITF W75 Kursumlijska Banja 2 Women: Sofya Lansere vs Lisa Zaar Set 1 Winner | 100% |
| ITF W75 Kursumlijska Banja 2 Women: Sofya Lansere vs Lisa Zaar Match O/U 22.5 | 100% |
| ITF W75 Kursumlijska Banja 2 Women: Sofya Lansere vs Lisa Zaar Set 1 O/U 9.5 | 100% |
| ITF W75 Kursumlijska Banja 2 Women: Sofya Lansere vs Lisa Zaar Match O/U 23.5 | 100% |
| ITF W75 Kursumlijska Banja 2 Women: Sofya Lansere vs Lisa Zaar | 0% |
| ITF W75 Kursumlijska Banja 2 Women: Sofya Lansere vs Lisa Zaar Set 2 O/U 8.5 | 0% |
| ITF W75 Kursumlijska Banja 2 Women: Sofya Lansere vs Lisa Zaar Set Handicap +/-1.5 | 0% |
| ITF W75 Kursumlijska Banja 2 Women: Sofya Lansere vs Lisa Zaar Set 2 Winner | 0% |
| ITF W75 Kursumlijska Banja 2 Women: Sofya Lansere vs Lisa Zaar Set 2 O/U 9.5 | 0% |
| ITF W75 Kursumlijska Banja 2 Women: Sofya Lansere vs Lisa Zaar Set Handicap +/-1.5 | 0% |
| ITF W75 Kursumlijska Banja 2 Women: Sofya Lansere vs Lisa Zaar Set 2 O/U 10.5 | 0% |
| ITF W75 Kursumlijska Banja 2 Women: Sofya Lansere vs Lisa Zaar Set 1 O/U 10.5 | 0% |
Market context
Sofya Lansere faces Lisa Zaar in a W75 ITF women's tennis tournament scheduled for 13 August 2026 in Kursumlijska Banja, Serbia. The match is set for 6:00 AM ET. The 0% implied probability reflects either absent trading volume or a technical listing issue, as both players have competitive ITF records and neither carries odds that would justify complete dismissal. Settlement occurs 7 days post-scheduled date; any cancellation, tie, or unresolved delay beyond that window triggers a 50-50 split.
Historical ITF W75 matchups between similarly-ranked players typically show 40-60 probability distributions, with outcomes heavily influenced by recent form and surface preference. Lansere and Zaar's head-to-head record, if one exists, would be the primary anchor for calibration. Absence of prior meetings suggests traders should weight recent tournament results—wins at comparable ITF levels, conversion rates in qualifying rounds, and performance on clay courts specifically, given Kursumlijska Banja's surface. The current probability reading suggests the market may lack sufficient liquidity or data integration to price the fixture meaningfully.
Traders monitoring this match programmatically should track ITF live scoring feeds and official tournament draws through the WTA's ITF database for confirmation of player participation. Withdrawal announcements typically emerge 48–72 hours before play. Conditional order logic should account for the settlement rule's 7-day grace period; if the match is delayed but eventually completed within that window, resolution follows the winner, not the 50-50 clause. Surface conditions and weather forecasts for mid-August in Serbia merit inclusion in any automated decision framework.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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 Polymarket Review UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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%.
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