TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 19, 4:25 PM EST
Kalshi
This market tracks whether either team will score a run in the first inning of the Arizona vs Boston professional baseball game. On Kalshi, the current probability for Yes is 29.0%. The resolution source is the game's first inning on August 19, 2026. Watch for the start of the game on August 19, 2026, as that is when the event will be determined.
If either team scores a run in the first inning of the Arizona vs Boston professional baseball game originally scheduled for Aug 19, 2026 at 4:10 PM EDT, then the market resolves to Yes.
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 continuous bidding, with the top outcome’s chance reflected in its current probability. The market’s liquidity and trader sentiment — influenced by things like pitcher matchups and recent team form — help set the odds. This decentralized pricing captures how participants collectively evaluate the likelihood of an early run.
This market resolves around Aug 19, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result depends solely on whether either team scores in the first inning of the game, a fact that becomes official once the box score is published and widely reported.
Key signals that could shift this market include updates on starting pitchers, any last-minute lineup changes, weather conditions affecting the game’s start, and early-inning performance trends from the teams’ most recent matchups. Unexpected developments — like a pitcher’s injury or a sudden change in stadium conditions — may also cause rapid shifts in trader sentiment before the first pitch is thrown.