The market strongly favors US Open, Qualification ATP: Stefanos Sakellaridis vs Christopher O'Connell Set 1 O/U 8.5 at 100%. High confidence — but lower potential returns.
| # | Outcome | Probability | If Right | Volume |
|---|---|---|---|---|
| 1 | US Open, Qualification ATP: Stefanos Sakellaridis vs Christopher O'Connell Set 1 O/U 8.5 | 100% | +0% | - |
| 2 | US Open, Qualification ATP: Stefanos Sakellaridis vs Christopher O'Connell Total Sets: O/U 2.5 | 70% | +44% | $8 |
| 3 | US Open, Qualification ATP: Stefanos Sakellaridis vs Christopher O'Connell Game Spread +/-1.5 | 69% | +45% | $3K |
| 4 | US Open, Qualification ATP: Stefanos Sakellaridis vs Christopher O'Connell Match O/U 21.5 | 53% | +89% | $16 |
| 5 | Completed Match | 50% | +100% | - |
| 6 | US Open, Qualification ATP: Stefanos Sakellaridis vs Christopher O'Connell Set 2 O/U 8.5 | 50% | +100% | - |
| 7 | US Open, Qualification ATP: Stefanos Sakellaridis vs Christopher O'Connell Set Handicap +/-1.5 | 50% | +100% | $1 |
| 8 | US Open, Qualification ATP: Stefanos Sakellaridis vs Christopher O'Connell Set 2 O/U 9.5 | 50% | +100% | - |
| 9 | US Open, Qualification ATP: Stefanos Sakellaridis vs Christopher O'Connell Match O/U 23.5 | 50% | +100% | - |
| 10 | US Open, Qualification ATP: Stefanos Sakellaridis vs Christopher O'Connell Set 2 O/U 10.5 | 50% | +100% | - |
| 11 | US Open, Qualification ATP: Stefanos Sakellaridis vs Christopher O'Connell Set 2 Winner | 40% | +153% | - |
| 12 | US Open, Qualification ATP: Stefanos Sakellaridis vs Christopher O'Connell Match O/U 22.5 | 39% | +156% | - |
| 13 | US Open, Qualification ATP: Stefanos Sakellaridis vs Christopher O'Connell Set Handicap +/-1.5 | 34% | +194% | - |
| 14 | US Open, Qualification ATP: Stefanos Sakellaridis vs Christopher O'Connell BEST VALUE | 18% | +441% | $62K |
Real-money prediction market · Trade with confidence
This market refers to the tennis match between Stefanos Sakellaridis and Christopher O'Connell in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET. This market w...
This prediction market tracks whether US Open, Qualification ATP: Stefanos Sakellaridis vs Christopher O'Connell will occur, with $66K 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 ATP: Stefanos Sakellaridis vs Christopher O'Connell 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 $64K traded in the last 24 hours alone (98% 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 20:25 UTC, the leading outcome is US Open, Qualification ATP: Stefanos Sakellaridis vs Christopher O'Connell Set 1 O/U 8.5 at 100% probability, with $66K in total trading volume on Polymarket.
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