The market strongly favors European Open: Mariano Navone vs Tallon Griekspoor Set 1 O/U 8.5 at 86%. High confidence — but lower potential returns.
| # | Outcome | Probability | If Right | Volume |
|---|---|---|---|---|
| 1 | European Open: Mariano Navone vs Tallon Griekspoor Set 1 O/U 8.5 | 86% | +17% | - |
| 2 | European Open: Mariano Navone vs Tallon Griekspoor Match O/U 21.5 | 64% | +55% | - |
| 3 | European Open: Mariano Navone vs Tallon Griekspoor Set 1 O/U 9.5 | 60% | +67% | - |
| 4 | European Open: Mariano Navone vs Tallon Griekspoor Match O/U 22.5 | 58% | +71% | $100 |
| 5 | European Open: Mariano Navone vs Tallon Griekspoor Game Spread +/-1.5 | 53% | +89% | $21 |
| 6 | Completed Match | 49% | +104% | - |
| 7 | European Open: Mariano Navone vs Tallon Griekspoor Set 2 O/U 8.5 | 48% | +108% | - |
| 8 | European Open: Mariano Navone vs Tallon Griekspoor Set 2 O/U 9.5 | 48% | +108% | - |
| 9 | European Open: Mariano Navone vs Tallon Griekspoor Set 2 O/U 10.5 | 48% | +108% | - |
| 10 | European Open: Mariano Navone vs Tallon Griekspoor Match O/U 23.5 | 48% | +108% | - |
| 11 | European Open: Mariano Navone vs Tallon Griekspoor Set 1 Winner | 43% | +133% | $34 |
| 12 | European Open: Mariano Navone vs Tallon Griekspoor Set 2 Winner | 42% | +138% | - |
| 13 | European Open: Mariano Navone vs Tallon Griekspoor | 40% | +153% | $47K |
| 14 | European Open: Mariano Navone vs Tallon Griekspoor Total Sets: O/U 2.5 | 40% | +153% | - |
| 15 | European Open: Mariano Navone vs Tallon Griekspoor Set 1 O/U 10.5 | 39% | +156% | - |
| 16 | European Open: Mariano Navone vs Tallon Griekspoor Set Handicap +/-1.5 BEST VALUE | 37% | +170% | $16 |
Real-money prediction market · Trade with confidence
This market refers to the tennis match between Mariano Navone and Tallon Griekspoor in the European Open, originally scheduled for October 21, 2026 at 7:00AM ET. This market will resolve to 'Mariano...
This prediction market tracks whether European Open: Mariano Navone vs Tallon Griekspoor will occur, with $47K 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: European Open: Mariano Navone vs Tallon Griekspoor Set 1 O/U 8.5 is priced at 86%, 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 $52K traded in the last 24 hours alone (111% 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 2026-10-28. 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 Oct 21, 2026 at 09:25 UTC, the leading outcome is European Open: Mariano Navone vs Tallon Griekspoor Set 1 O/U 8.5 at 86% probability, with $47K in total trading volume on Polymarket.
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