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: Sep 1, 10:04 PM EST
Kalshi
The outcome depends on whether either the Philadelphia or Arizona team manages to score during the first inning of their scheduled game. Scoring any run in that initial period will determine the result, reflecting early offensive success in the matchup.
If either team scores a run in the first inning of the Philadelphia vs Arizona professional baseball game originally scheduled for Sep 1, 2026 at 9:40 PM EDT, then the market resolves to Yes.
On Kalshi, this market reflects trader sentiment rather than traditional sportsbook lines. While sportsbooks incorporate expert analysis and adjust for various factors including public betting patterns, prediction markets rely purely on participant activity. This difference often results in varying implied probabilities. Traders on Kalshi may price in different dynamics compared to sportsbooks, especially as game-specific news or shifting player conditions emerge. The contrast provides a unique perspective on market expectations for the first inning run market, highlighting crowd-sourced forecasts versus established sports betting models.
This market resolves around Sep 2, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. A run scored by either team during the first inning of the game will determine the result, and the market will close based on official box scores and game records shortly after the inning concludes.
Several key developments could influence this market before Sep 2, 2026. Starting pitcher performance updates, weather conditions affecting game play, and lineup changes may all shift trader expectations. Injuries or substitutions announced close to game time often cause rapid adjustments in market positioning. Additionally, early game momentum or scoring in preceding innings can impact odds dynamically. Any last-minute news regarding team strategies or player availability holds potential to move this market significantly as traders react to new information.