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% |
| Targu Mures: Kaitlin Quevedo vs Laura Samson Total Sets: O/U 2.5 | 100% |
| Targu Mures: Kaitlin Quevedo vs Laura Samson Set 2 O/U 8.5 | 100% |
| Targu Mures: Kaitlin Quevedo vs Laura Samson Set 1 Winner | 100% |
| Targu Mures: Kaitlin Quevedo vs Laura Samson Match O/U 21.5 | 100% |
| Targu Mures: Kaitlin Quevedo vs Laura Samson Match O/U 22.5 | 100% |
| Targu Mures: Kaitlin Quevedo vs Laura Samson Match O/U 23.5 | 100% |
| Targu Mures: Kaitlin Quevedo vs Laura Samson | 0% |
| Targu Mures: Kaitlin Quevedo vs Laura Samson Set Handicap +/-1.5 | 0% |
| Targu Mures: Kaitlin Quevedo vs Laura Samson Set 1 O/U 8.5 | 0% |
| Targu Mures: Kaitlin Quevedo vs Laura Samson Set 2 Winner | 0% |
| Targu Mures: Kaitlin Quevedo vs Laura Samson Set 2 O/U 9.5 | 0% |
| Targu Mures: Kaitlin Quevedo vs Laura Samson Set 1 O/U 9.5 | 0% |
| Targu Mures: Kaitlin Quevedo vs Laura Samson Set Handicap +/-1.5 | 0% |
| Targu Mures: Kaitlin Quevedo vs Laura Samson Set 2 O/U 10.5 | 0% |
| Targu Mures: Kaitlin Quevedo vs Laura Samson Set 1 O/U 10.5 | 0% |
Market context
Polymarket is pricing the Quevedo–Samson final at **0% YES** on USDC-settled conditional tokens on Polygon, which implies the contract is effectively trading as if a Quevedo advance is not expected to be paid out. The listed match is the Târgu Mureș WTA 125 final, scheduled for 13:00 local time, with multiple live listings showing Laura Samson as the opponent and market pages treating the fixture as active rather than void.[1][3][11]
For framing, the market should be read less as a pure win-probability and more as a settlement instrument: if the match is completed and one player advances, the token pays that side; if the match is not played, ends level, or is delayed beyond seven days without a winner, the contract falls to 50-50 under the stated rules. Comparable data sources are not fully aligned, but they consistently show the same final pairing and a modest on-court edge for Samson, with one live scoreboard listing Samson around 58.6% and Quevedo around 41.4%, and betting odds also leaning slightly towards Quevedo in some books, underlining that the 0% Polymarket print is about contract pricing, not a consensus on the tennis itself.[1][7][15]
The key catalysts are operational rather than speculative: confirm the match actually starts, whether the order of play changes, and whether any retirement, walkover, suspension, or weather delay pushes settlement into the contract’s seven-day fallback window. Recent fixture pages and live coverage indicate the final was due to be staged on Court 1, but live status feeds can move quickly around WTA 125 events, so traders are usually watching the official schedule, scoreboard state, and any tournament communication more than pre-match form.[1][2][5][14]
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 Kalshi UK, which mirrors the Polymarket order book directly.
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 Kalshi 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.
- 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.
- 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.
Trade Targu Mures: Kaitlin Quevedo vs Laura Samson on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
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