The market strongly favors Singapore Open: Tatiana Prozorova vs Sofia Costoulas Set 1 O/U 8.5 at 100%. High confidence — but lower potential returns.
| # | Outcome | Probability | If Right | Volume |
|---|---|---|---|---|
| 1 | Singapore Open: Tatiana Prozorova vs Sofia Costoulas Set 1 O/U 8.5 | 100% | - | - |
| 2 | Singapore Open: Tatiana Prozorova vs Sofia Costoulas Set 1 O/U 9.5 | 100% | - | - |
| 3 | Singapore Open: Tatiana Prozorova vs Sofia Costoulas Set 1 O/U 10.5 | 100% | - | - |
| 4 | Singapore Open: Tatiana Prozorova vs Sofia Costoulas Match O/U 21.5 | 100% | +1% | $128 |
| 5 | Singapore Open: Tatiana Prozorova vs Sofia Costoulas Set 2 O/U 8.5 | 99% | +1% | - |
| 6 | Singapore Open: Tatiana Prozorova vs Sofia Costoulas Set 2 O/U 9.5 | 99% | +1% | - |
| 7 | Singapore Open: Tatiana Prozorova vs Sofia Costoulas Match O/U 22.5 | 98% | +2% | $58 |
| 8 | Singapore Open: Tatiana Prozorova vs Sofia Costoulas Match O/U 23.5 | 98% | +2% | - |
| 9 | Singapore Open: Tatiana Prozorova vs Sofia Costoulas Set 2 O/U 10.5 | 90% | +10% | - |
| 10 | Completed Match | 50% | +100% | $400 |
| 11 | Singapore Open: Tatiana Prozorova vs Sofia Costoulas Total Sets: O/U 2.5 | 50% | +100% | $601 |
| 12 | Singapore Open: Tatiana Prozorova vs Sofia Costoulas Game Spread +/-1.5 | 50% | +100% | - |
| 13 | Singapore Open: Tatiana Prozorova vs Sofia Costoulas Set 2 Winner | 42% | +138% | $196 |
| 14 | Singapore Open: Tatiana Prozorova vs Sofia Costoulas BEST VALUE | 24% | +308% | $155K |
Real-money prediction market · Trade with confidence
This market refers to the tennis match between Tatiana Prozorova and Sofia Costoulas in the Singapore Open, originally scheduled for September 20, 2026 at 10:00PM ET. This market will resolve to 'Tat...
This prediction market tracks whether Singapore Open: Tatiana Prozorova vs Sofia Costoulas will occur, with $158K 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: Singapore Open: Tatiana Prozorova vs Sofia Costoulas 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 $158K 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 2026-09-28. 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 Sep 22, 2026 at 08:05 UTC, the leading outcome is Singapore Open: Tatiana Prozorova vs Sofia Costoulas Set 1 O/U 8.5 at 100% probability, with $158K in total trading volume on Polymarket.
The total trading volume for this market is $158K, with $158K traded in the last 24 hours. This represents real money at stake from prediction market traders on Polymarket.
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