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: Jul 17, 8:29 PM EST
Kalshi
This market tracks whether any run is scored during the opening inning of the Baltimore Orioles versus Houston Astros matchup scheduled for July 17, 2026. Early offensive production often sets the tone for baseball games and can indicate which team's starting pitcher is struggling.
If either team scores a run in the first inning of the Baltimore vs Houston professional baseball game originally scheduled for Jul 17, 2026 at 8:10 PM EDT, then the market resolves to Yes.
Prediction market odds and sportsbook odds often diverge because they operate under different mechanisms and serve different audiences. Sportsbooks set lines to balance action and manage risk, while prediction markets like this one are driven by trader consensus and real-time supply and demand. Comparing the two can reveal where public perception differs from professional oddsmaking, though neither is inherently more accurate. Tracking both alongside this market provides a fuller picture of where the smart money and crowd sentiment align or conflict.
On Kalshi, this market is priced through a continuous order-book mechanism where traders buy and sell shares 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 share reflects the collective probability estimate of all active traders at any given moment. As new information emerges or trading volume shifts, prices adjust in real time, allowing participants to enter or exit positions dynamically throughout the trading window.
This market resolves around Jul 18, 2026, after the first inning of the Baltimore versus Houston game concludes. The outcome is determined by whether at least one run crosses the plate during that opening frame and is verified against credible public sources such as official game records or major sports reporting outlets. Once the result is confirmed, the market settles and traders receive payouts based on their positions.
Several factors can shift odds in this market before first pitch. Lineup announcements, starting pitcher confirmations, and injury updates to key batters or pitchers typically trigger repricing. Weather conditions at the ballpark, recent offensive or defensive trends, and head-to-head matchup history also influence trader positioning. Late-breaking news about team strategy or player availability can create sudden volume spikes. As game time approaches, pre-game commentary and final odds from sportsbooks may prompt traders to adjust their exposure.