Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) 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 |
|---|---|
| National Bank Open: Alina Korneeva vs Polina Kudermetova | 100% |
| National Bank Open: Alina Korneeva vs Polina Kudermetova Set 1 Winner | 100% |
| National Bank Open: Alina Korneeva vs Polina Kudermetova Total Sets: O/U 2.5 | 50% |
| National Bank Open: Alina Korneeva vs Polina Kudermetova Match O/U 21.5 | 50% |
| National Bank Open: Alina Korneeva vs Polina Kudermetova Set 2 Winner | 50% |
| National Bank Open: Alina Korneeva vs Polina Kudermetova Set 2 O/U 8.5 | 50% |
| National Bank Open: Alina Korneeva vs Polina Kudermetova Set Handicap +/-1.5 | 50% |
| National Bank Open: Alina Korneeva vs Polina Kudermetova Match O/U 22.5 | 50% |
| National Bank Open: Alina Korneeva vs Polina Kudermetova Set 2 O/U 9.5 | 50% |
| National Bank Open: Alina Korneeva vs Polina Kudermetova Set Handicap +/-1.5 | 50% |
| National Bank Open: Alina Korneeva vs Polina Kudermetova Match O/U 23.5 | 50% |
| National Bank Open: Alina Korneeva vs Polina Kudermetova Set 2 O/U 10.5 | 50% |
| Completed Match | 0% |
| National Bank Open: Alina Korneeva vs Polina Kudermetova Set 1 O/U 8.5 | 0% |
| National Bank Open: Alina Korneeva vs Polina Kudermetova Set 1 O/U 9.5 | 0% |
| National Bank Open: Alina Korneeva vs Polina Kudermetova Set 1 O/U 10.5 | 0% |
Market context
Alina Korneeva’s opening-round meeting with Polina Kudermetova is the live National Bank Open fixture in Toronto, and the market’s 100% yes pricing reflects that the match is on the day’s schedule rather than an unresolved draw or weather hold-up. The WTA listing places Korneeva at No. 89 and Kudermetova at No. 108, with both players right-handed and the match set for hard courts at Sobeys Stadium.[1][7]
The recent comparable case that matters most is their January meeting in Canberra, where Kudermetova beat Korneeva in straight sets on hard court, so a replay here is not a straightforward ranking match-up despite Korneeva being the higher seed on paper in Toronto. Head-to-head records from Tennis Temple and Tennis Majors show Kudermetova leading 1-0 overall and 1-0 on hard courts, which gives this pairing a credible upset history rather than a clean favourite-versus-longshot profile.[5][14]
For traders, the key near-term catalysts are whether the published start time holds and whether the players are actually called to court, since a no-play or a delay beyond the settlement window would force the market towards the tie outcome. Live listings already show the fixture in the schedule, and one current scoreboard feed even shows the match underway, which is the main reason the probability is pinned at 100% rather than reflecting match competitiveness.[3][4][15]
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 Prediction Today, 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 Prediction Today. 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'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.
- 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.
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