The market strongly favors Completed Match at 100%. High confidence — but lower potential returns.
High Volume — $1.8M traded| # | Outcome | Probability | If Right | Volume |
|---|---|---|---|---|
| 1 | Completed Match | 100% | - | $522 |
| 2 | National Bank Open: Naomi Osaka vs Elena Rybakina Set 1 Winner | 100% | - | $32K |
| 3 | National Bank Open: Naomi Osaka vs Elena Rybakina Set 1 O/U 8.5 | 100% | - | $36 |
| 4 | National Bank Open: Naomi Osaka vs Elena Rybakina Match O/U 21.5 | 100% | - | $57 |
| 5 | National Bank Open: Naomi Osaka vs Elena Rybakina Set 2 O/U 8.5 | 100% | - | - |
| 6 | National Bank Open: Naomi Osaka vs Elena Rybakina Total Sets: O/U 2.5 | 100% | - | $528 |
| 7 | National Bank Open: Naomi Osaka vs Elena Rybakina Set 1 O/U 9.5 | 100% | - | $644 |
| 8 | National Bank Open: Naomi Osaka vs Elena Rybakina Match O/U 22.5 | 100% | - | $384 |
| 9 | National Bank Open: Naomi Osaka vs Elena Rybakina Set 2 O/U 9.5 | 100% | - | - |
| 10 | National Bank Open: Naomi Osaka vs Elena Rybakina Match O/U 23.5 | 100% | - | $14 |
| 11 | National Bank Open: Naomi Osaka vs Elena Rybakina Set 2 O/U 10.5 | 100% | - | - |
Real-money prediction market · Trade with confidence
This market refers to the tennis match between Naomi Osaka and Elena Rybakina in the National Bank Open, originally scheduled for August 11, 2026 at 10:00AM ET. This market will resolve to 'Naomi Osa...
This prediction market tracks whether National Bank Open: Naomi Osaka vs Elena Rybakina will occur, with $1.8M 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: Completed Match 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.
The market has seen $34K in 24-hour volume, suggesting a period of relative calm. Lower activity periods can present value opportunities for traders who spot mispriced odds before the broader market reacts.
This market is scheduled to resolve by 2026-08-18. 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 13, 2026 at 02:35 UTC, the leading outcome is Completed Match at 100% probability, with $1.8M in total trading volume on Polymarket.
The total trading volume for this market is $1.8M, with $34K traded in the last 24 hours. This represents real money at stake from prediction market traders on Polymarket.
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