TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 1, 9:34 PM EST
Kalshi
A professional baseball game between two teams is scheduled for July 1, 2026. The event in question is whether this matchup will extend beyond the standard nine innings and require extra innings to determine a winner.
If St. Louis and Atlanta go to extra innings in the St. Louis vs Atlanta professional baseball game originally scheduled for Jul 1, 2026 at 7:15 PM EDT, then the market resolves to Yes.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets like Kalshi aggregate trader beliefs through continuous price discovery. This market may show materially different probabilities than traditional sportsbooks, especially as new information emerges or if one venue attracts more informed traders. Comparing the two can reveal where consensus is strongest and where outlier views persist, though prediction markets typically converge toward actual outcomes as resolution approaches.
On Kalshi, this market is priced through an order-book mechanism where traders buy and sell contracts representing yes or no outcomes. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each contract reflects the collective probability assigned by active traders; as new orders flow in, prices adjust to clear supply and demand. You can place limit or market orders to enter or exit positions, and the bid-ask spread narrows or widens based on liquidity. This continuous auction format ensures transparent, real-time pricing tied directly to trader conviction about whether extra innings will occur in this game.
This market resolves around Jul 2, 2026, once the St. Louis versus Atlanta game concludes and the final result is verifiable from credible public sources. The outcome will be confirmed based on whether the contest extends into extra innings or concludes within regulation play. Resolution typically occurs shortly after the game ends, pending official confirmation. Traders should monitor the event closely as the resolution date approaches to ensure they understand the final determination and any edge cases that might affect settlement.
Several factors could shift odds in this market before resolution. Injury reports or roster changes for either team may alter perceived game competitiveness and the likelihood of a close contest. Weather conditions, ballpark factors, and recent team performance trends can influence trading sentiment. Betting line movement at sportsbooks sometimes precedes prediction market shifts, as sharp bettors react to new information. As game time nears, live updates on team momentum, lineup announcements, or unexpected developments will likely trigger repricing. Close games are inherently more prone to extra innings, so any news affecting the expected margin of victory could move this market meaningfully.