The market strongly favors US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 1 O/U 8.5 at 100%. High confidence — but lower potential returns.
| # | Outcome | Probability | If Right | Volume |
|---|---|---|---|---|
| 1 | US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 1 O/U 8.5 | 100% | +0% | $42 |
| 2 | US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 1 O/U 9.5 | 100% | +0% | - |
| 3 | US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Match O/U 21.5 | 70% | +43% | $10 |
| 4 | US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Match O/U 22.5 | 51% | +96% | - |
| 5 | Completed Match | 50% | +100% | - |
| 6 | US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Game Spread +/-4.5 | 50% | +100% | - |
| 7 | US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 2 O/U 8.5 | 50% | +100% | - |
| 8 | US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Total Sets: O/U 2.5 | 50% | +100% | - |
| 9 | US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set Handicap +/-1.5 | 50% | +100% | $40 |
| 10 | US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 2 O/U 9.5 | 50% | +100% | - |
| 11 | US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 2 O/U 10.5 | 50% | +100% | - |
| 12 | US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Match O/U 23.5 | 49% | +104% | - |
| 13 | US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 2 Winner | 48% | +111% | - |
| 14 | US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic BEST VALUE | 22% | +365% | $48K |
Real-money prediction market · Trade with confidence
This market refers to the tennis match between Arantxa Rus and Teodora Kostovic in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to...
This prediction market tracks whether US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic will occur, with $50K 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: US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic 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 $47K traded in the last 24 hours alone (93% 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 2026-09-01. 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 25, 2026 at 18:15 UTC, the leading outcome is US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 1 O/U 8.5 at 100% probability, with $50K in total trading volume on Polymarket.
What Are Prediction Markets? · How to Trade · Odds Calculator · Compare Platforms