Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) 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 |
|---|---|
| Completed Match | 100% |
| Istanbul 2: Zhuoxuan Bai vs Tatiana Prozorova Set 1 O/U 8.5 | 100% |
| Istanbul 2: Zhuoxuan Bai vs Tatiana Prozorova Set Handicap +/-1.5 | 100% |
| Istanbul 2: Zhuoxuan Bai vs Tatiana Prozorova | 0% |
| Istanbul 2: Zhuoxuan Bai vs Tatiana Prozorova Set 1 Winner | 0% |
| Istanbul 2: Zhuoxuan Bai vs Tatiana Prozorova Total Sets: O/U 2.5 | 0% |
| Istanbul 2: Zhuoxuan Bai vs Tatiana Prozorova Set 2 Winner | 0% |
| Istanbul 2: Zhuoxuan Bai vs Tatiana Prozorova Match O/U 21.5 | 0% |
| Istanbul 2: Zhuoxuan Bai vs Tatiana Prozorova Set 2 O/U 8.5 | 0% |
| Istanbul 2: Zhuoxuan Bai vs Tatiana Prozorova Set Handicap +/-1.5 | 0% |
| Istanbul 2: Zhuoxuan Bai vs Tatiana Prozorova Set 1 O/U 9.5 | 0% |
| Istanbul 2: Zhuoxuan Bai vs Tatiana Prozorova Match O/U 22.5 | 0% |
| Istanbul 2: Zhuoxuan Bai vs Tatiana Prozorova Set 2 O/U 9.5 | 0% |
| Istanbul 2: Zhuoxuan Bai vs Tatiana Prozorova Set 1 O/U 10.5 | 0% |
| Istanbul 2: Zhuoxuan Bai vs Tatiana Prozorova Match O/U 23.5 | 0% |
| Istanbul 2: Zhuoxuan Bai vs Tatiana Prozorova Set 2 O/U 10.5 | 0% |
Market context
Zhuoxuan Bai faces Tatiana Prozorova in a qualifying or early-round match at Istanbul 2, scheduled for 13 July 2026. The 0% YES probability on Polymarket reflects minimal trading activity or conviction that Bai advances, with the conditional token structure on Polygon currently pricing her victory at effectively zero value in USDC terms. This extreme pricing often indicates either sparse liquidity in a niche pairing or market participants holding strong priors about the matchup's outcome.
Bai, a Chinese player competing on the WTA circuit, and Prozorova, a Russian competitor, represent a pairing without extensive recent head-to-head history at the professional level. Historical context matters here: matches between lower-ranked or qualifier-stage players frequently see volatile odds because public information is limited and betting interest concentrates on higher-profile fixtures. The settlement window extends to 20 July, allowing a week beyond the scheduled date for completion, which reduces the risk of a 50-50 resolution due to delays or cancellations—a material consideration for traders holding positions through the match window.
Traders should monitor official WTA scheduling updates and any withdrawal announcements, particularly given the compressed timeframe between the scheduled date and settlement deadline. Recent injury reports or late withdrawals from either player would immediately shift the contract's value. The Istanbul tournament's draw confirmation and seeding details, typically released days before competition begins, will provide the first concrete signal of match likelihood and player form. Court conditions and surface preference data favour whichever player has stronger clay-court performance records.
Methodology
This page reviews Istanbul 2: Zhuoxuan Bai vs Tatiana Prozorova across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Kalshi UK, which mirrors the Polymarket order book at 0% fees.
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 Kalshi 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.
- 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.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- 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.
Trade Istanbul 2: Zhuoxuan Bai vs Tatiana Prozorova on Kalshi UK
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