TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 28, 10:34 PM EST
Kalshi
This result hinges on whether the professional baseball contest between New York Y and Chicago WS, scheduled for July 28, requires additional innings to determine a winner because neither team leads at the end of the ninth inning.
If New York Y and Chicago WS go to extra innings in the New York Y vs Chicago WS professional baseball game originally scheduled for Jul 28, 2026 at 7:40 PM EDT, then the market resolves to Yes.
Compared to traditional sportsbook odds, prediction market odds for this market often reflect sharper, more granular insights because they are driven by continuous trader activity rather than set lines. While sportsbooks may offer a fixed line, this market allows for real-time adjustments based on evolving game conditions, injuries, or weather, potentially creating tighter or more volatile pricing.
On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, traders determine the price through a continuous order book where buyers and sellers post their own bids and asks. The current implied probability reflects the balance of these orders, showing the collective expectation of whether extra innings will occur. This decentralized pricing mechanism allows for rapid updates as new information emerges during the game.
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 goes beyond the ninth inning, with official score updates serving as the primary source for resolution. No additional interpretation or external commentary is needed beyond confirming the final game result.
Key signals that could shift this market include starting pitcher changes, weather delays, injuries to key players, or any update affecting the game's progression. As these developments unfold, traders will react, potentially causing rapid shifts in odds. Additionally, momentum swings during early innings or high-scoring periods may also influence expectations for extra innings.