Sao Paulo Open: Mary Stoiana vs Paula Badosa Set 1 O/U 8.5 leads at 66%. Moderate consensus — room for value on contrarian bets.
| # | Outcome | Probability | If Right | Volume |
|---|---|---|---|---|
| 1 | Sao Paulo Open: Mary Stoiana vs Paula Badosa Set 1 O/U 8.5 | 66% | +53% | - |
| 2 | Sao Paulo Open: Mary Stoiana vs Paula Badosa Game Spread +/-3.5 | 55% | +83% | $68 |
| 3 | Completed Match | 50% | +100% | $2K |
| 4 | Sao Paulo Open: Mary Stoiana vs Paula Badosa Set 2 O/U 8.5 | 50% | +100% | - |
| 5 | Sao Paulo Open: Mary Stoiana vs Paula Badosa Set 2 O/U 9.5 | 50% | +100% | - |
| 6 | Sao Paulo Open: Mary Stoiana vs Paula Badosa Set 2 O/U 10.5 | 50% | +100% | - |
| 7 | Sao Paulo Open: Mary Stoiana vs Paula Badosa Match O/U 21.5 | 48% | +111% | - |
| 8 | Sao Paulo Open: Mary Stoiana vs Paula Badosa Set Handicap +/-1.5 | 46% | +117% | $4 |
| 9 | Sao Paulo Open: Mary Stoiana vs Paula Badosa Set 1 O/U 9.5 | 44% | +130% | - |
| 10 | Sao Paulo Open: Mary Stoiana vs Paula Badosa Match O/U 22.5 | 42% | +135% | - |
| 11 | Sao Paulo Open: Mary Stoiana vs Paula Badosa Match O/U 23.5 | 38% | +160% | - |
| 12 | Sao Paulo Open: Mary Stoiana vs Paula Badosa Total Sets: O/U 2.5 | 37% | +170% | $19 |
| 13 | Sao Paulo Open: Mary Stoiana vs Paula Badosa Set 2 Winner | 36% | +174% | - |
| 14 | Sao Paulo Open: Mary Stoiana vs Paula Badosa Set 1 Winner | 36% | +182% | - |
| 15 | Sao Paulo Open: Mary Stoiana vs Paula Badosa | 30% | +228% | $23K |
| 16 | Sao Paulo Open: Mary Stoiana vs Paula Badosa Set 1 O/U 10.5 | 24% | +317% | - |
| 17 | Sao Paulo Open: Mary Stoiana vs Paula Badosa Set Handicap +/-1.5 BEST VALUE | 17% | +488% | - |
Real-money prediction market · Trade with confidence
This market refers to the tennis match between Mary Stoiana and Paula Badosa in the Sao Paulo Open, originally scheduled for September 18, 2026 at 9:00AM ET. This market will resolve to 'Mary Stoiana...
This prediction market tracks whether Sao Paulo Open: Mary Stoiana vs Paula Badosa will occur, with $25K 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.
Traders lean toward Sao Paulo Open: Mary Stoiana vs Paula Badosa Set 1 O/U 8.5 at 66%, suggesting a probable but not certain outcome. This moderate confidence level often reflects genuine uncertainty — markets at this range tend to see the most price movement as new information emerges.
Trading activity is exceptionally high, with $25K 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 2026-09-25. 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 18, 2026 at 16:35 UTC, the leading outcome is Sao Paulo Open: Mary Stoiana vs Paula Badosa Set 1 O/U 8.5 at 66% probability, with $25K in total trading volume on Polymarket.
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