TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 29, 2:51 PM EST
Kalshi
The event centers around a professional baseball game between two teams scheduled for a specific date and time. The key focus is whether the game will extend beyond the standard nine innings into additional rounds. This outcome depends entirely on the game's progression during the scheduled match.
If Arizona and Pittsburgh go to extra innings in the Arizona vs Pittsburgh professional baseball game originally scheduled for Jul 29, 2026 at 12:35 PM EDT, then the market resolves to Yes.
Compared to traditional sportsbook odds, prediction market odds for this market often reflect a more nuanced outlook that incorporates trader sentiment and real-time data. While sportsbooks may set lines based on broader public betting trends and historical data, this market allows for rapid adjustments based on in-game performance and shifting conditions.
On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, traders set the odds through continuous bidding and asking, with prices adjusting based on supply and demand. The current implied probability reflects the collective assessment of participants about the chances of extra innings occurring. Market depth and recent trades influence the pricing, allowing for rapid shifts as new information or betting patterns emerge.
This market resolves around Jul 29, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by whether the game concludes in regular innings or extends beyond the standard nine innings, as reported by official league sources.
Injuries, weather delays, or pitching changes could shift expectations for game length and impact this market. Updates from team announcements, starting lineups, or umpires may also affect trader sentiment. As Jul 29, 2026 approaches, any news suggesting a closely contested match or fatigue among pitchers will likely drive volume and price movement, reflecting the evolving odds of extra innings.