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: Jun 21, 2:34 PM EST
Kalshi
This market resolves positively if either the Cleveland Guardians or Houston Astros scores at least one run during the opening inning of their June 21, 2026 matchup.
If either team scores a run in the first inning of the Cleveland vs Houston professional baseball game originally scheduled for Jun 21, 2026 at 2:10 PM EDT, then the market resolves to Yes.
Prediction market odds often diverge from traditional sportsbook lines because they reflect real-time trader positioning rather than bookmaker margins and risk management. On this market, traders continuously adjust prices based on breaking news, lineup changes, and game conditions, whereas sportsbooks may lag or apply wider spreads. Comparing the two reveals how informed prediction market participants view the likelihood of a first-inning run relative to what oddsmakers are offering, making it a useful cross-check for identifying value or consensus shifts.
On Kalshi, this market is priced through a continuous order-book mechanism where traders submit bids and asks for shares tied to each outcome. 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 marginal probability assigned by the market; a share trading at $0.65 implies roughly a 65 percent chance of that outcome occurring. As new information emerges or trader interest shifts, the bid-ask spread tightens or widens, and prices adjust dynamically to clear supply and demand.
This market resolves around Jun 21, 2026, once the first inning of the Cleveland versus Houston game concludes and the final run total is verifiable from credible public sources. The outcome is determined by whether at least one run crosses the plate during that opening frame, regardless of which team scores it. Resolution occurs automatically after the inning ends and official scoring is confirmed, closing all open positions and distributing winnings to holders of the correct outcome.
Key catalysts include announced lineups, starting pitcher changes, weather conditions at game time, and any last-minute roster adjustments. Injury reports or bullpen availability can shift expectations around early offensive momentum. Breaking news about field conditions, umpire assignments, or team strategy may also influence trader positioning. As first pitch approaches, real-time observations during warm-ups and early at-bats will likely trigger sharp repricing, so monitoring pre-game developments and live action is essential for timing entries and exits.