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: Jul 8, 8:10 PM EST
Polymarket
This event group covers an MLB game between the Minnesota Twins and Houston Astros with multiple markets tracking the game winner and first-inning scoring. Markets are listed across three platforms with slight variations in scheduled date and specific market types (moneyline, first-inning run, extra innings).
In the upcoming MLB game between the Minnesota Twins and Houston Astros, scheduled for July 1 at 8:10PM ET: This market will resolve to "Minnesota Twins" if the Minnesota Twins win the game. This market will resolve to "Houston Astros" if the Houston Astros win the game. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.
If Minnesota and Houston go to extra innings in the Minnesota vs Houston professional baseball game originally scheduled for Jun 29, 2026 at 8:10 PM EDT, then the market resolves to Yes.
In the upcoming MLB game between the Minnesota Twins and Houston Astros, scheduled for June 29 at 8:10PM ET: This market will resolve to "Minnesota Twins" if the Minnesota Twins win the game. This market will resolve to "Houston Astros" if the Houston Astros win the game. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.
Polymarket and Kalshi can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Each platform attracts different trader demographics, liquidity pools, and fee structures, which can create temporary price gaps. Polymarket and Kalshi may also have different user bases with varying access to breaking news or regional bias toward one team. Arbitrage traders typically exploit these spreads, but if capital is slow to move between platforms or if one venue has significantly deeper liquidity, price divergence can persist for hours. Monitoring both helps you spot when one platform is mispricing relative to the other.
Key catalysts include roster announcements, starting pitcher confirmations, and injury updates for either team's star players. Weather forecasts closer to game day can shift expectations, especially for outdoor conditions affecting ball carry and visibility. Trade deadline moves, recent team performance streaks, and head-to-head matchup history also influence trader positioning. Breaking news about lineup changes or last-minute roster decisions typically triggers sharp repricing, so monitoring team social media and sports news feeds helps you anticipate market swings before they happen.