The market strongly favors O/U 8.5 at 100%. High confidence — but lower potential returns.
| # | Outcome | Probability | If Right | Volume |
|---|---|---|---|---|
| 1 | O/U 8.5 | 100% | - | $22K |
| 2 | 1st 5 Innings O/U 2.5 | 100% | - | - |
| 3 | 1st 5 Innings O/U 3.5 | 100% | - | $22 |
| 4 | 1st 5 Innings O/U 4.5 | 100% | - | $91 |
| 5 | 1st 5 Innings O/U 5.5 | 100% | - | - |
| 6 | 1st 5 Innings O/U 6.5 | 100% | - | - |
| 7 | O/U 7.5 | 100% | - | $12K |
| 8 | Kansas City Royals O/U 1.5 | 100% | - | - |
| 9 | Kansas City Royals O/U 2.5 | 100% | - | - |
| 10 | Kansas City Royals O/U 3.5 | 100% | - | $9 |
| 11 | Kansas City Royals O/U 4.5 | 100% | - | - |
| 12 | Pittsburgh Pirates O/U 1.5 | 100% | - | - |
| 13 | Pittsburgh Pirates O/U 2.5 | 100% | - | - |
| 14 | Pittsburgh Pirates O/U 3.5 | 100% | - | $9 |
| 15 | Pittsburgh Pirates O/U 4.5 | 100% | - | - |
| 16 | Pittsburgh Pirates O/U 5.5 | 100% | - | - |
| 17 | O/U 9.5 | 100% | - | $11K |
| 18 | O/U 6.5 | 100% | - | $5 |
| 19 | O/U 10.5 | 100% | - | $623 |
Real-money prediction market · Trade with confidence
In the upcoming MLB game between the Kansas City Royals and Pittsburgh Pirates, scheduled for September 19 at 6:40PM ET: This market will resolve to "Kansas City Royals" if the Kansas City Royals win...
This prediction market tracks whether Kansas City Royals vs. Pittsburgh Pirates will occur, with $371K 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: 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 $370K 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 2026-09-26. 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 20, 2026 at 07:15 UTC, the leading outcome is O/U 8.5 at 100% probability, with $371K in total trading volume on Polymarket.
The total trading volume for this market is $371K, with $370K traded in the last 24 hours. This represents real money at stake from prediction market traders on Polymarket.
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