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| Outcome | Chance | 24h | 1 week | Bid · Ask | 24h volume | Ends |
|---|---|---|---|---|---|---|
| National Bank Open, Qualification: Katie Volynets vs Sloane Stephens | 50% | — | — | 50¢ · 51¢ (1¢) | — | ended |
| National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Total Sets: O/U 2.5 | 50% | — | — | 50¢ · 51¢ (1¢) | — | ended |
| National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Match O/U 23.5 | 50% | — | — | 50¢ · 51¢ (1¢) | — | ended |
| National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Set Handicap +/-1.5 | 50% | — | — | 50¢ · 51¢ (1¢) | — | ended |
| National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Match O/U 21.5 | 50% | — | — | 50¢ · 51¢ (1¢) | — | ended |
| National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Set 1 Winner | 50% | — | — | 49¢ · 50¢ (1¢) | — | ended |
| National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Set 1 O/U 8.5 | 50% | — | — | 49¢ · 50¢ (1¢) | — | ended |
| National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Set 1 O/U 9.5 | 50% | — | — | 49¢ · 50¢ (1¢) | — | ended |
| National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Set 2 Winner | 50% | — | — | 49¢ · 50¢ (1¢) | — | ended |
| National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Set 2 O/U 9.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| Completed Match | 0% | — | — | — · 20¢ | — | ended |
| National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Set Handicap +/-1.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Set 1 O/U 10.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Set 2 O/U 8.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Match O/U 22.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Set 2 O/U 10.5 | 50% | — | — | 49¢ · 51¢ (2¢) | — | ended |
| When | Trader | Outcome | Bet | Size | P&L now | Insider |
|---|---|---|---|---|---|---|
| 83d |  Do-Not-Redeem2 fills | National Bank Open, Qualification: Katie Volynets vs Sloane Stephens | BuySloane Stephens34¢ → 50¢ | $8,571 | +$3,899 +45% | 4 |
| 83d |  Gamer-Girl | National Bank Open, Qualification: Katie Volynets vs Sloane Stephens | BuySloane Stephens29¢ → 50¢ | $1,712 | +$1,244 +73% | 4 |
This market refers to the tennis match between Katie Volynets and Sloane Stephens in the National Bank Open, Qualification, originally scheduled for August 1, 2026 at 10:00AM ET. This market will resolve to 'Katie Volynets' if Katie Volynets advances against Sloane Stephens. This market will resolve to 'Sloane Stephens' if Sloane Stephens advances against Katie Volynets. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.
Sources: Polymarket's Gamma API, its CLOB price history and its Data API, read every two minutes. Prices are each outcome's Yes price, which is the market's probability: 50¢ for National Bank Open, Qualification: Katie Volynets vs Sloane Stephens means the market gives it about 50%.