Market is split — Cincinnati Open: Maria Timofeeva vs Katerina Siniakova Set 1 O/U 8.5 at 50%. High uncertainty = high risk/reward opportunity.
| # | Outcome | Probability | If Right | Volume |
|---|---|---|---|---|
| 1 | Cincinnati Open: Maria Timofeeva vs Katerina Siniakova Set 1 O/U 8.5 | 50% | +98% | $57 |
| 2 | Cincinnati Open: Maria Timofeeva vs Katerina Siniakova Set 1 Winner | 50% | +100% | $960 |
| 3 | Cincinnati Open: Maria Timofeeva vs Katerina Siniakova Set 2 Winner | 50% | +100% | - |
| 4 | Cincinnati Open: Maria Timofeeva vs Katerina Siniakova Set 2 O/U 8.5 | 50% | +100% | - |
| 5 | Cincinnati Open: Maria Timofeeva vs Katerina Siniakova Set Handicap +/-1.5 | 50% | +100% | $3K |
| 6 | Cincinnati Open: Maria Timofeeva vs Katerina Siniakova Set 2 O/U 9.5 | 50% | +100% | - |
| 7 | Cincinnati Open: Maria Timofeeva vs Katerina Siniakova Set 1 O/U 9.5 | 50% | +100% | - |
| 8 | Cincinnati Open: Maria Timofeeva vs Katerina Siniakova Set 2 O/U 10.5 | 50% | +100% | - |
| 9 | Cincinnati Open: Maria Timofeeva vs Katerina Siniakova | 50% | +102% | $31K |
| 10 | Cincinnati Open: Maria Timofeeva vs Katerina Siniakova Total Sets: O/U 2.5 | 50% | +102% | $1K |
| 11 | Cincinnati Open: Maria Timofeeva vs Katerina Siniakova Match O/U 21.5 | 50% | +102% | $316 |
| 12 | Cincinnati Open: Maria Timofeeva vs Katerina Siniakova Match O/U 22.5 | 50% | +102% | $597 |
| 13 | Cincinnati Open: Maria Timofeeva vs Katerina Siniakova Set 1 O/U 10.5 | 50% | +102% | $5K |
| 14 | Cincinnati Open: Maria Timofeeva vs Katerina Siniakova Match O/U 23.5 | 50% | +102% | $646 |
| 15 | Completed Match BEST VALUE | 46% | +120% | - |
Real-money prediction market · Trade with confidence
This market refers to the tennis match between Maria Timofeeva and Katerina Siniakova in the Cincinnati Open, originally scheduled for August 13, 2026 at 10:00AM ET. This market will resolve to 'Mari...
This prediction market tracks whether Cincinnati Open: Maria Timofeeva vs Katerina Siniakova will occur, with $43K 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 Cincinnati Open: Maria Timofeeva vs Katerina Siniakova Set 1 O/U 8.5 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 $43K 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 2026-08-20. 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 12, 2026 at 18:35 UTC, the leading outcome is Cincinnati Open: Maria Timofeeva vs Katerina Siniakova Set 1 O/U 8.5 at 50% probability, with $43K in total trading volume on Polymarket.
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