Market is split — National Bank Open, Qualification: Katie Volynets vs Sloane Stephens at 50%. High uncertainty = high risk/reward opportunity.
| # | Outcome | Probability | If Right | Volume |
|---|---|---|---|---|
| 1 | National Bank Open, Qualification: Katie Volynets vs Sloane Stephens | 50% | +98% | $47K |
| 2 | National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Set 1 O/U 8.5 | 50% | +98% | $123 |
| 3 | National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Set 1 Winner | 50% | +98% | $470 |
| 4 | National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Set 2 O/U 8.5 | 50% | +98% | - |
| 5 | National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Set 2 Winner | 50% | +98% | $106 |
| 6 | National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Set Handicap +/-1.5 | 50% | +98% | $5 |
| 7 | National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Set 1 O/U 9.5 | 50% | +98% | $119 |
| 8 | National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Set 2 O/U 9.5 | 50% | +98% | $70 |
| 9 | National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Set 2 O/U 10.5 | 50% | +98% | - |
| 10 | National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Set 1 O/U 10.5 | 50% | +100% | $4 |
| 11 | Completed Match BEST VALUE | 50% | +102% | $60 |
| 12 | National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Total Sets: O/U 2.5 | 50% | +102% | $951 |
| 13 | National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Match O/U 21.5 | 50% | +102% | $701 |
| 14 | National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Match O/U 22.5 | 50% | +102% | - |
| 15 | National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Set Handicap +/-1.5 | 50% | +102% | $668 |
| 16 | National Bank Open, Qualification: Katie Volynets vs Sloane Stephens Match O/U 23.5 | 50% | +102% | $559 |
Real-money prediction market · Trade with confidence
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 res...
This prediction market tracks whether National Bank Open, Qualification: Katie Volynets vs Sloane Stephens will occur, with $51K in total trading volume reflecting significant trader interest. Prediction markets aggregate the collective intelligence of participants who stake real money on outcomes, making them one of the most reliable forecasting tools available for events driven by team performance data, historical matchups, and real-time injury reports.
The market is closely contested, with National Bank Open, Qualification: Katie Volynets vs Sloane Stephens leading at just 50%. This near-even split signals high uncertainty among traders, creating potential value opportunities for those with strong conviction based on their own analysis of the underlying factors.
Trading activity is exceptionally high, with $51K traded in the last 24 hours alone (100% of total volume). This surge often indicates breaking news, a key deadline approaching, or a significant shift in market sentiment.
This market is scheduled to resolve by 2026-08-08. As the resolution date approaches, expect increased trading activity and tighter probability estimates. Historical data shows that prediction market accuracy improves significantly in the final days before resolution.
As of Aug 01, 2026 at 16:25 UTC, the leading outcome is National Bank Open, Qualification: Katie Volynets vs Sloane Stephens at 50% probability, with $51K in total trading volume on Polymarket.
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