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: May 30, 7:10 PM EST
Kalshi
This market tracks whether the Boston vs Cleveland baseball game scheduled for May 30, 2026 at 4:10 PM EDT will extend beyond nine innings. On Kalshi, the probability of extra innings occurring stands at 14.0%. The market resolves Yes if the teams play extra innings, with resolution determined by the official game outcome. Watch for how the game develops through regulation innings on May 30, 2026, as close scores late in the contest would signal increased likelihood of the market resolving affirmatively.
On Kalshi, the Boston vs Cleveland extra-innings contract is priced as a binary outcome: either the game goes to extra innings or it does not. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current probability is reflected in the bid-ask spread, with traders buying or selling shares at prices between 0 and 100 cents. Each share pays $1 if extra innings occur and $0 otherwise. The Kalshi interface shows the live midpoint price, order book depth, and recent trade history. As the May 30 game approaches, the price will adjust based on team roster news, weather, pitching matchups, and other factors that influence the likelihood of an extended contest.
The Boston vs Cleveland: Extra Innings market resolves after the conclusion of the game originally scheduled for May 30, 2026 at 4:10 PM EDT, with a final resolution date of May 30, 2026. The outcome is determined by whether the game actually extends beyond nine innings. Once the final result is official, the market settles and all positions are paid out according to the outcome. Traders should monitor the game status and any official announcements to confirm the final result before resolution is locked in.
Several factors could shift the extra-innings probability before May 30. Pitching announcements and bullpen health updates for both Boston and Cleveland will influence expectations of game length. Weather forecasts—particularly wind speed and temperature—affect offensive output and the likelihood of a close, extended contest. Recent team performance, offensive trends, and head-to-head matchup history can also move the market. Injury reports, lineup changes, and any late roster moves closer to game day may trigger repricing. Real-time game developments, such as early scoring patterns or pitcher performance, will drive final adjustments as the event unfolds.