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: Sep 3, 1:04 PM EST
Kalshi
This market tracks whether either the San Francisco or Pittsburgh baseball team will score a run in the first inning of their game. Currently, the probability of Over 0.5 runs in the first inning is 48.0% on Kalshi. Resolution will be determined by whether a run is scored in the first inning of the San Francisco vs Pittsburgh professional baseball game originally scheduled for Sep 3, 2026 at 12:35 PM EDT, as defined by the resolution source. Keep a close watch on the game itself, as the outcome will be definitively determined by the events of the first inning on September 3, 2026.
If either team scores a run in the first inning of the San Francisco vs Pittsburgh professional baseball game originally scheduled for Sep 3, 2026 at 12:35 PM EDT, then the market resolves to Yes.
On Kalshi, traders in the first inning run market set odds based on their expectations for early-game scoring dynamics between the teams. Sportsbook odds, set by professional oddsmakers, often reflect broader public betting trends and historical averages. This market’s pricing can diverge due to real-time trader sentiment and emerging game-specific insights, such as pitcher performance updates or weather conditions affecting early play. While sportsbooks provide a more stabilized view, prediction market odds may shift more rapidly, offering a dynamic alternative for those tracking in-play developments and fine-grained probability shifts.
This market resolves around Sep 3, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by official game records indicating which team scored the first run in the first inning, or if no run is scored, how the market contracts are settled according to Kalshi rules.
On Kalshi, several signals could influence this market before Sep 3, 2026. Key factors include starting pitcher announcements, last-minute lineup changes, and weather forecasts affecting game conditions. Early-game momentum shifts once play begins — such as quick scoring or strong pitching performances — may also drive rapid adjustments in trader expectations. Any update that alters the perceived likelihood of runs being scored in the first inning can cause noticeable movement in this market’s odds, reflecting the real-time assessment of participants.