TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 26, 9:54 PM EST
Kalshi
Seattle and Cleveland play a professional baseball game on June 26, 2026. Extra innings occur when the game remains tied after nine standard innings, requiring additional play to determine a winner.
If Seattle and Cleveland go to extra innings in the Seattle vs Cleveland professional baseball game originally scheduled for Jun 26, 2026 at 7:10 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 lock in profit margins, while prediction markets like this one reflect pure trader consensus on whether the game will go to extra innings. Sportsbooks may adjust lines based on sharp money and liability, whereas prediction markets aggregate dispersed information from many participants with real financial stakes. Over time, prediction markets have proven competitive with or more accurate than traditional oddsmakers on similar events, though sportsbook lines remain a useful benchmark for comparing implied probabilities across venues.
On Kalshi, this market is priced through a continuous order-book mechanism where traders submit bids and asks for 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 marginal probability traders assign to extra innings occurring; a share trading at 65 cents implies roughly 65% implied probability. Kalshi does not use automated market makers; instead, prices emerge from direct supply and demand. As new information surfaces—injury reports, weather updates, or live game developments—traders adjust their orders, and the equilibrium price shifts to incorporate that signal into the market consensus.
This market resolves around Jun 27, 2026, once the Seattle versus Cleveland game concludes and the outcome is verifiable from credible public reporting. The resolution hinges on whether the contest extends beyond regulation play into extra innings. Once the final result is confirmed through official sports sources and media coverage, the market settles automatically and traders receive payouts based on their positions. Early resolution may occur if the game is postponed or cancelled under circumstances that make extra innings impossible.
Several catalysts can shift odds in this market before the game concludes. Roster announcements—such as key pitcher availability or injury updates—often trigger sharp repricing, since bullpen depth affects the likelihood of a close, late-inning contest. Weather forecasts matter too; wind and temperature influence ball carry and scoring pace. Betting action from sharp syndicates can signal information asymmetry and prompt retail traders to adjust. Live game developments, including early scoring runs, ejections, or pitching changes, continuously reshape the probability of extra innings. Public commentary from analysts and sportsbooks may also influence trader sentiment as the event approaches.