Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) 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 |
|---|---|
| Iasi Open: Anna Bondar vs Tamara Zidansek Set 2 O/U 8.5 | 100% |
| Iasi Open: Anna Bondar vs Tamara Zidansek Set 1 O/U 8.5 | 100% |
| Iasi Open: Anna Bondar vs Tamara Zidansek Set 2 Winner | 100% |
| Iasi Open: Anna Bondar vs Tamara Zidansek Set 2 O/U 9.5 | 100% |
| Iasi Open: Anna Bondar vs Tamara Zidansek Set 1 O/U 9.5 | 100% |
| Iasi Open: Anna Bondar vs Tamara Zidansek Set 2 O/U 10.5 | 100% |
| Iasi Open: Anna Bondar vs Tamara Zidansek Set 1 O/U 10.5 | 100% |
| Iasi Open: Anna Bondar vs Tamara Zidansek Total Sets: O/U 2.5 | 95% |
| Iasi Open: Anna Bondar vs Tamara Zidansek Match O/U 22.5 | 90% |
| Iasi Open: Anna Bondar vs Tamara Zidansek Match O/U 21.5 | 87% |
| Iasi Open: Anna Bondar vs Tamara Zidansek Match O/U 23.5 | 84% |
| Completed Match | 50% |
| Iasi Open: Anna Bondar vs Tamara Zidansek | 44% |
| Iasi Open: Anna Bondar vs Tamara Zidansek Set Handicap +/-1.5 | 1% |
| Iasi Open: Anna Bondar vs Tamara Zidansek Set 1 Winner | 0% |
Market context
Anna Bondar faces Tamara Zidansek in the Iasi Open round of 16 on the afternoon of 15 July, with the on-chain contract for Bondar advancing currently priced at 36% YES on Polymarket. This USDC settlement on Polygon trades conditional tokens that resolve to full value if Bondar wins, or zero if Zidansek advances, while a cancellation or delay beyond seven days forces a 50-50 split. The market price sits significantly below the 68% probability assigned by predictive analytics models and the 79.55% favouring Bondar in other statistical forecasts, creating a notable divergence between crowd sentiment and algorithmic expectations [2][4].
Historical precedents in WTA clay-court events show that when model probabilities exceed crowd-implied prices by over 30 percentage points, late-stage capital often corrects the discrepancy before match start, particularly when the favourite has just secured a tight first-round victory. Bondar’s 7-5, 6-4 win over Sara Sorribes Tormo on Monday demonstrates her capacity to close out matches under pressure, a trait that typically supports price convergence in the final hours before settlement [1]. Traders should monitor the official WTA schedule for any weather-related delays or player injury announcements, as these are the primary catalysts that trigger rapid liquidity shifts in conditional token markets. Recent day-three predictions for the Iasi tournament explicitly favour Bondar to win in two sets, reinforcing the statistical weight behind the higher probability models [5].
The settlement window closes at 12:00 UTC on 22 July 2026, meaning any delay beyond the seven-day threshold automatically resets the contract to a 50-50 outcome regardless of the match result. With the match scheduled for 8:00 AM ET today, the window for price correction is narrow, and the current 36% valuation implies a higher risk of an upset than the head-to-head odds suggest, where Bondar is priced at $1.40 versus Zidansek at $3.00 [2].
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 PolyGram, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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 PolyGram. 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 Iasi Open: Anna Bondar vs Tamara Zidansek on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
Open live market →