Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Iasi Open: Yulia Putintseva vs Mayar Sherif Set 2 Winner | 100% |
| Iasi Open: Yulia Putintseva vs Mayar Sherif Set 2 O/U 8.5 | 100% |
| Iasi Open: Yulia Putintseva vs Mayar Sherif Match O/U 22.5 | 90% |
| Iasi Open: Yulia Putintseva vs Mayar Sherif Match O/U 23.5 | 90% |
| Iasi Open: Yulia Putintseva vs Mayar Sherif Match O/U 21.5 | 87% |
| Iasi Open: Yulia Putintseva vs Mayar Sherif Total Sets: O/U 2.5 | 75% |
| Completed Match | 50% |
| Iasi Open: Yulia Putintseva vs Mayar Sherif | 23% |
| Iasi Open: Yulia Putintseva vs Mayar Sherif Set Handicap +/-1.5 | 5% |
| Iasi Open: Yulia Putintseva vs Mayar Sherif Set 1 Winner | 0% |
| Iasi Open: Yulia Putintseva vs Mayar Sherif Set 1 O/U 8.5 | 0% |
| Iasi Open: Yulia Putintseva vs Mayar Sherif Set 1 O/U 9.5 | 0% |
| Iasi Open: Yulia Putintseva vs Mayar Sherif Set 2 O/U 9.5 | 0% |
| Iasi Open: Yulia Putintseva vs Mayar Sherif Set 1 O/U 10.5 | 0% |
| Iasi Open: Yulia Putintseva vs Mayar Sherif Set 2 O/U 10.5 | 0% |
Market context
Yulia Putintseva faces Mayar Sherif in the Iasi Open quarterfinal on Romania’s clay, with the prediction market pricing Putintseva at a 61% implied probability to advance. This aligns closely with the modelled 60% edge favoured by predictive analytics, which cite Putintseva’s superior Elo rating and return profile as decisive factors [6][7]. However, sportsbooks present a notable divergence: Sherif is listed as the slight favourite on some platforms due to her unbeaten clay run, despite recent losses to top-tier opponents, creating a 5–7% gap between bookmaker lines and the prediction-market consensus [1].
Historical precedents in WTA clay-court quarterfinals show that players with unbeaten surface runs often defy Elo-based models, yet Putintseva’s record at this event level has consistently overridden similar anomalies in past tournaments. Comparable cases from 2024–2025 indicate that when a model projects a 60% edge on clay, the actual win rate settles near 58–62%, validating the current 61% pricing as statistically robust rather than inflated [6]. Traders should monitor Sherif’s stamina late in rallies, as her physical decline in extended exchanges has previously erased her surface advantage against higher-ranked opponents.
Key catalysts include any pre-match injury announcements or schedule shifts affecting Sherif’s recovery, given the physically taxing nature of clay-court encounters [6]. While no immediate news has emerged as of today, the match’s 3:00 AM ET start time means weather delays or player fatigue could alter the outcome, particularly if Sherif’s unbeaten run is tested by Putintseva’s aggressive return game [1]. The settlement window’s July 24 deadline ensures no prolonged delays will invalidate the contract, but traders must watch for real-time updates on Sherif’s condition before the match begins.
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 Best Prediction Markets UK, 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.
FAQ
- 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 Best Prediction Markets UK. 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.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
Trade Iasi Open: Yulia Putintseva vs Mayar Sherif on Best Prediction Markets UK
Live order book, 0% fees, USDC settlement in seconds.
Open live market →