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 |
|---|---|
| Completed Match | 100% |
| Rome: Teodora Kostovic vs Lucia Bronzetti Set 1 O/U 8.5 | 100% |
| Rome: Teodora Kostovic vs Lucia Bronzetti Set 2 O/U 8.5 | 100% |
| Rome: Teodora Kostovic vs Lucia Bronzetti Set 1 O/U 9.5 | 100% |
| Rome: Teodora Kostovic vs Lucia Bronzetti Set 2 O/U 9.5 | 100% |
| Rome: Teodora Kostovic vs Lucia Bronzetti Set Handicap +/-1.5 | 100% |
| Rome: Teodora Kostovic vs Lucia Bronzetti | 0% |
| Rome: Teodora Kostovic vs Lucia Bronzetti Set 1 Winner | 0% |
| Rome: Teodora Kostovic vs Lucia Bronzetti Set 2 Winner | 0% |
| Rome: Teodora Kostovic vs Lucia Bronzetti Total Sets: O/U 2.5 | 0% |
| Rome: Teodora Kostovic vs Lucia Bronzetti Set Handicap +/-1.5 | 0% |
| Rome: Teodora Kostovic vs Lucia Bronzetti Match O/U 21.5 | 0% |
| Rome: Teodora Kostovic vs Lucia Bronzetti Set 1 O/U 10.5 | 0% |
| Rome: Teodora Kostovic vs Lucia Bronzetti Match O/U 22.5 | 0% |
| Rome: Teodora Kostovic vs Lucia Bronzetti Set 2 O/U 10.5 | 0% |
| Rome: Teodora Kostovic vs Lucia Bronzetti Match O/U 23.5 | 0% |
Market context
The WTA ITF Women 25k+ match between Teodora Kostovic and Lucia Bronzetti in Rome, originally set for 4:00am ET on 16 July 2026, faces a stark divergence between traditional sportsbook pricing and the current prediction-market implied probability. While major bookmakers like 1xBet and Betpawa assign Kostovic a 59–60% chance of winning, the prediction market for her advancement sits at 0% YES, suggesting either a suspended event, a data feed error, or a pending cancellation that has not yet been reflected in live odds.
Historically, such a 0% implied probability in a live tennis contract typically precedes a formal cancellation announcement or a player withdrawal before the first serve, as seen in recent WTA events where matches were voided due to injury or weather. In comparable cases, prediction markets have resolved to the 50-50 tie clause when matches were delayed beyond seven days without a winner, whereas sportsbooks often void bets immediately upon official cancellation notices.
Traders should monitor the official WTA Rome tournament schedule and player injury reports for any updates on Kostovic or Bronzetti’s availability, as a withdrawal announcement would trigger immediate resolution. Recent coverage from 365scores highlights Kostovic’s strong recent form with four wins in her last five matches, which contrasts sharply with the market’s zero-probability stance and warrants verification of the match’s operational status before the settlement window closes on 23 July 2026.
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
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade Rome: Teodora Kostovic vs Lucia Bronzetti on Best Prediction Markets UK
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