TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: May 28, 9:40 PM EST
Kalshi
This market tracks whether Houston and Texas will combine for more than 1.5 runs during the first five innings of their scheduled matchup. On Kalshi, the probability of exceeding that combined run threshold stands at 99.0%, according to the resolution source tied to the May 28, 2026 game at 8:05 PM EDT. Watch the actual first-inning scoring sequence on May 28, 2026, as early offensive production will be the primary signal determining whether the teams clear this low threshold.
Prediction market odds on Kalshi often diverge from traditional sportsbook lines because they reflect real-time trader conviction rather than fixed opening spreads. Sportsbooks typically adjust for liability and hold a margin, while prediction markets aggregate decentralized opinion and update continuously. For this first 5 innings total, monitor whether Kalshi odds lead or lag sportsbook adjustments—prediction markets frequently price in late-breaking lineup news or bullpen availability faster than traditional books update their boards. Comparing the two venues helps identify where smart money is positioning before official game time.
The market resolves on May 29, 2026, shortly after the conclusion of the fifth inning in the Houston vs Texas game. Resolution is determined by the official combined run total scored by both teams through the end of the fifth inning, as recorded by Major League Baseball. Once the fifth inning concludes and the official score is confirmed, the contract settles to either 0 or 100 cents based on whether the actual total meets or exceeds the specified threshold. No further scoring after the fifth inning affects the outcome.
Key catalysts include confirmed starting pitcher matchups, bullpen availability reports, and last-minute lineup changes or injuries to star hitters. Weather conditions—wind direction and speed at the ballpark—significantly impact early-inning scoring potential. Recent offensive form, platoon splits, and first-inning tendencies of both teams' leadoff hitters can shift trader positioning. Breaking news on pitcher velocity or arm issues may trigger sharp repricing. Trade deadline activity or roster moves affecting either team's depth also influence market odds. Monitor team social media and beat reporters for pre-game updates that could alter first-inning run expectations.