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: Jun 26, 6:54 PM EST
Kalshi
This market tracks whether either the Houston Astros or Detroit Tigers scores at least one run during the first inning of their regular season matchup on June 26, 2026. First inning scoring is a common early indicator of offensive momentum in baseball games.
If either team scores a run in the first inning of the Houston vs Detroit professional baseball game originally scheduled for Jun 26, 2026 at 6:40 PM EDT, then the market resolves to Yes.
Prediction market odds and sportsbook odds often diverge because they serve different purposes and audiences. Sportsbooks set lines to balance action and manage risk, while prediction markets reflect the true belief of traders risking real money on outcomes. This market's odds may move faster or slower than traditional sportsbooks depending on which venue receives new information first. Comparing the two can reveal value: if this market prices Houston higher than a sportsbook does, it may signal informed traders expect stronger offensive performance in the first inning.
On Kalshi, this market is priced through a continuous order-book mechanism where traders submit buy and sell orders at their chosen probability levels. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current odds reflect the spread between the highest bid and lowest ask, with the midpoint representing the consensus probability. As new information emerges—such as lineup announcements or injury updates—traders adjust their orders, causing the price to shift. Liquidity and order flow determine how quickly prices move and how tight the bid-ask spread remains.
This market resolves around Jun 27, 2026, once the first inning of the Houston versus Detroit game concludes. The outcome is determined by whether either team scores at least one run during that inning. Resolution is verified against credible public sources such as official MLB records and major sports data providers. Traders holding positions will see their contracts settle automatically once the result is confirmed and the market is officially closed.
Several catalysts can shift odds before the game begins. Lineup announcements, particularly the identity of each team's starting pitcher, carry significant weight since pitcher quality directly impacts early-inning scoring probability. Weather conditions—wind speed and direction at the stadium—affect ball carry and can favor or hinder offensive production. Injury reports, recent team form, and bullpen availability also influence trader sentiment. As game time approaches, any late-breaking news about player availability or weather changes will likely trigger sharp price movements in this market.