The market strongly favors National Bank Open: Leylah Fernandez vs Naomi Osaka Set 1 O/U 8.5 at 100%. High confidence — but lower potential returns.
| # | Outcome | Probability | If Right | Volume |
|---|---|---|---|---|
| 1 | National Bank Open: Leylah Fernandez vs Naomi Osaka Set 1 O/U 8.5 | 100% | +0% | $66 |
| 2 | National Bank Open: Leylah Fernandez vs Naomi Osaka Set 1 O/U 9.5 | 100% | +1% | - |
| 3 | National Bank Open: Leylah Fernandez vs Naomi Osaka Match O/U 21.5 | 61% | +64% | $3K |
| 4 | National Bank Open: Leylah Fernandez vs Naomi Osaka Match O/U 22.5 | 56% | +80% | $30 |
| 5 | National Bank Open: Leylah Fernandez vs Naomi Osaka Set Handicap +/-1.5 | 54% | +85% | $3K |
| 6 | Completed Match | 50% | +100% | $574 |
| 7 | National Bank Open: Leylah Fernandez vs Naomi Osaka Set 2 O/U 8.5 | 50% | +100% | - |
| 8 | National Bank Open: Leylah Fernandez vs Naomi Osaka Set 2 O/U 9.5 | 50% | +100% | - |
| 9 | National Bank Open: Leylah Fernandez vs Naomi Osaka Set 2 O/U 10.5 | 50% | +100% | - |
| 10 | National Bank Open: Leylah Fernandez vs Naomi Osaka Set 2 Winner | 45% | +122% | $547 |
| 11 | National Bank Open: Leylah Fernandez vs Naomi Osaka Match O/U 23.5 | 44% | +125% | - |
| 12 | National Bank Open: Leylah Fernandez vs Naomi Osaka Total Sets: O/U 2.5 | 44% | +127% | $21 |
| 13 | National Bank Open: Leylah Fernandez vs Naomi Osaka BEST VALUE | 20% | +413% | $289K |
Real-money prediction market · Trade with confidence
This market refers to the tennis match between Leylah Fernandez and Naomi Osaka in the National Bank Open, originally scheduled for August 9, 2026 at 10:00AM ET. This market will resolve to 'Leylah F...
This prediction market tracks whether National Bank Open: Leylah Fernandez vs Naomi Osaka will occur, with $233K 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 shows strong consensus: National Bank Open: Leylah Fernandez vs Naomi Osaka Set 1 O/U 8.5 is priced at 100%, indicating traders overwhelmingly expect this outcome. At this probability level, the potential return on a correct bet is relatively low, but contrarian positions carry significant upside if the consensus proves wrong.
Trading activity is exceptionally high, with $230K traded in the last 24 hours alone (99% 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 2026-08-16. 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 10, 2026 at 00:05 UTC, the leading outcome is National Bank Open: Leylah Fernandez vs Naomi Osaka Set 1 O/U 8.5 at 100% probability, with $233K in total trading volume on Polymarket.
The total trading volume for this market is $233K, with $230K traded in the last 24 hours. This represents real money at stake from prediction market traders on Polymarket.
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