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 | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| National Bank Open: Alina Korneeva vs Emma Navarro | 100% |
| Completed Match | 100% |
| National Bank Open: Alina Korneeva vs Emma Navarro Set 2 Winner | 100% |
| National Bank Open: Alina Korneeva vs Emma Navarro Set 1 Winner | 100% |
| National Bank Open: Alina Korneeva vs Emma Navarro Set Handicap +/-1.5 | 100% |
| National Bank Open: Alina Korneeva vs Emma Navarro Set 1 O/U 8.5 | 0% |
| National Bank Open: Alina Korneeva vs Emma Navarro Set 2 O/U 8.5 | 0% |
| National Bank Open: Alina Korneeva vs Emma Navarro Total Sets: O/U 2.5 | 0% |
| National Bank Open: Alina Korneeva vs Emma Navarro Match O/U 21.5 | 0% |
| National Bank Open: Alina Korneeva vs Emma Navarro Set 1 O/U 9.5 | 0% |
| National Bank Open: Alina Korneeva vs Emma Navarro Set 2 O/U 9.5 | 0% |
| National Bank Open: Alina Korneeva vs Emma Navarro Set Handicap +/-1.5 | 0% |
| National Bank Open: Alina Korneeva vs Emma Navarro Match O/U 22.5 | 0% |
| National Bank Open: Alina Korneeva vs Emma Navarro Set 2 O/U 10.5 | 0% |
| National Bank Open: Alina Korneeva vs Emma Navarro Set 1 O/U 10.5 | 0% |
| National Bank Open: Alina Korneeva vs Emma Navarro Match O/U 23.5 | 0% |
Market context
Polymarket is pricing this USDC-settled, Polygon-based conditional token at **100%** for Emma Navarro advancing, so the contract is effectively trading as a near-certain Navarro win rather than a coin flip. In practical terms, that means the market is ignoring the small but real route to a **50-50** settlement if the match is not played, ends level, or is delayed beyond the seven-day window without a winner; the scheduled Toronto hard-court meeting was listed for 4–5 August, depending on local feed, with Navarro the higher-ranked player and the projected favourite on tennis price boards.[1][3][10]
That price makes sense when set against the players’ broader profiles. Navarro is the established top-30 player, with Tennis.com listing her at WTA No. 26 and Korneeva at No. 89, while pre-match projections showed Navarro around 58% and Korneeva about 42% before play.[3] There is no recorded head-to-head between them, so traders are leaning on ranking, tour-level experience, and hard-court record rather than any direct matchup history.[2][6] Comparable WTA markets with a clear ranking gap often concentrate heavily on the seed or favourite once the draw and surface are confirmed, especially in early rounds on outdoor hard courts.[3][6]
For holders, the main catalysts are logistical rather than analytical: official ATP/WTA schedule updates, court assignments, weather delays in Toronto, and any late withdrawal or retirement that could flip the contract into a non-standard settlement outcome. Live scoreboards already showed the match in progress or imminent on 5 August, which matters because Polymarket settlement turns on whether the match actually begins, completes, or is pushed outside the seven-day grace period.[1][5][11] If the event is delayed but still resolved before 11 August at 15:00 UTC, the market should settle to the player who advances; if it is abandoned before a result, the contract goes to 50-50.[1]
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
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
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.
- 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 PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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.
Trade National Bank Open: Alina Korneeva vs Emma Navarro on PolyGram
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