TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 28, 5:09 PM EST
Kalshi
This market tracks whether the Seattle Mariners and Cleveland Guardians professional baseball game on June 28, 2026 extends beyond nine innings. Extra innings occur when the score remains tied after regulation play.
If Seattle and Cleveland go to extra innings in the Seattle vs Cleveland professional baseball game originally scheduled for Jun 28, 2026 at 1:40 PM EDT, then the market resolves to Yes.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets like this one aggregate trader beliefs through continuous price discovery. This market may price extra innings differently than a traditional sportsbook because traders are directly exposed to the outcome and cannot lay off risk the way a book can. Comparing the two can reveal whether the crowd on Kalshi views the event differently than professional oddsmakers.
On Kalshi, this market is priced through an order-book mechanism where traders buy and sell 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 collective estimate of the probability that extra innings will occur. As traders place bids and asks, the midpoint price updates in real time, and you can execute trades at the best available price. Liquidity and trading volume directly influence how tight the spread is and how quickly large orders can be filled.
This market resolves around Jun 28, 2026, once the Seattle vs Cleveland game concludes and the result is verifiable from credible public sources. The outcome is determined by whether the game goes to extra innings or concludes in regulation play. Resolution occurs after the final score is confirmed and reported by official league channels. Traders should monitor game updates and official announcements to anticipate when this market will settle.
Several factors can shift odds in this market before game time and during play. Lineup announcements, injury updates, and weather conditions affecting gameplay can influence the likelihood of extra innings. Recent team performance, bullpen strength, and historical head-to-head trends also drive trader sentiment. Once the game begins, in-game developments such as score changes, pitching substitutions, and momentum swings will cause rapid repricing. Breaking news about player availability or field conditions can trigger sudden volume spikes and volatility.