Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) 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% |
| National Bank Open, Qualification: Oksana Selekhmeteva vs Aoi Ito Set 2 O/U 8.5 | 100% |
| National Bank Open, Qualification: Oksana Selekhmeteva vs Aoi Ito Total Sets: O/U 2.5 | 100% |
| National Bank Open, Qualification: Oksana Selekhmeteva vs Aoi Ito Set 2 O/U 9.5 | 100% |
| National Bank Open, Qualification: Oksana Selekhmeteva vs Aoi Ito Set 2 Winner | 100% |
| National Bank Open, Qualification: Oksana Selekhmeteva vs Aoi Ito Match O/U 21.5 | 100% |
| National Bank Open, Qualification: Oksana Selekhmeteva vs Aoi Ito Set 2 O/U 10.5 | 100% |
| National Bank Open, Qualification: Oksana Selekhmeteva vs Aoi Ito Match O/U 22.5 | 100% |
| National Bank Open, Qualification: Oksana Selekhmeteva vs Aoi Ito Match O/U 23.5 | 100% |
| National Bank Open, Qualification: Oksana Selekhmeteva vs Aoi Ito | 0% |
| National Bank Open, Qualification: Oksana Selekhmeteva vs Aoi Ito Set 1 Winner | 0% |
| National Bank Open, Qualification: Oksana Selekhmeteva vs Aoi Ito Set 1 O/U 8.5 | 0% |
| National Bank Open, Qualification: Oksana Selekhmeteva vs Aoi Ito Set Handicap +/-1.5 | 0% |
| National Bank Open, Qualification: Oksana Selekhmeteva vs Aoi Ito Set 1 O/U 9.5 | 0% |
| National Bank Open, Qualification: Oksana Selekhmeteva vs Aoi Ito Set Handicap +/-1.5 | 0% |
| National Bank Open, Qualification: Oksana Selekhmeteva vs Aoi Ito Set 1 O/U 10.5 | 0% |
Market context
The qualifying match between Oksana Selekhmeteva and Aoi Ito at the National Bank Open is live, with Selekhmeteva sitting higher in the WTA rankings and the market still pricing in neither side as a clear favourite. Selekhmeteva is ranked around No. 97, while Ito is around No. 235, and there is no head-to-head record to lean on for a direct comparison[2][5][1]. On season-long numbers, Selekhmeteva’s harder-court results have been stronger than Ito’s, with the H2H/stat pages showing a better 2026 hard-court win rate and a larger recent match sample for the Russian player[1][11].
That makes the current 0% YES price read like a stale or placeholder line rather than a view anchored in tennis form. In comparable qualifying matches, rankings and surface splits usually matter most when there is no previous meeting, but the gap is rarely decisive on its own because short-format qualifying can swing on serve runs and conversion of break chances[1][16]. Recent-form aggregators also show both players coming in with mixed spells rather than dominant streaks, which is consistent with a narrow, volatile matchup rather than a one-sided mismatch[13][17].
The main trading catalysts are straightforward: whether the match is actually played, whether the start time slips, and whether the official draw or live scheduling changes affect completion before the seven-day settlement limit. Live match pages indicate the fixture has been scheduled for Court 3, and it is already listed as active on scoreboards, so any late withdrawal, walkover, or suspension would be the key driver for a non-standard resolution[2][4][10]. For form-based updates, the most relevant fresh signals are any last-minute fitness notes, coaching or withdrawal reports, and the immediate hard-court results from each player’s previous round or tune-up event[8][17].
Methodology
Sports-specific comparison page for National Bank Open, Qualification: Oksana Selekhmeteva vs Aoi Ito. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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