TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 18, 9:49 PM EST
Kalshi
This market tracks whether the Chicago White Sox and New York Yankees play beyond nine innings in their scheduled matchup on June 18, 2026. The game will resolve Yes if extra innings are needed to determine a winner.
If Chicago WS and New York Y go to extra innings in the Chicago WS vs New York Y professional baseball game originally scheduled for Jun 18, 2026 at 7:05 PM EDT, then the market resolves to Yes.
Prediction markets and sportsbooks price the same underlying event differently because they operate under distinct incentive structures. Sportsbooks set odds to balance their book and lock in profit margins, while prediction markets aggregate trader beliefs through continuous price discovery. This market reflects what thousands of informed participants collectively believe about extra innings occurring, whereas a sportsbook's line is designed to attract equal action on both sides. Comparing the two can reveal whether public sentiment diverges from professional oddsmakers, though both should converge as the game approaches.
On Kalshi, this market is priced through an order-book mechanism where traders submit bids and asks for shares representing 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 fluctuates based on supply and demand, with the midpoint reflecting the platform's consensus probability at any moment. Shares trade between 0 and 100 cents, where a price of 60 cents implies roughly 60 percent implied probability. You can enter limit or market orders to buy or sell, and your position updates in real time as the game unfolds and new information emerges.
This market resolves around Jun 19, 2026, once the game concludes and the final result is verified against credible public sources. The outcome hinges on whether the contest extends into extra innings—that is, whether the score remains tied after nine complete innings. Resolution occurs automatically after the event is official and confirmed through established sports reporting channels. Traders should monitor the game live and any official league announcements to anticipate the resolution timing.
Key injuries to star position players or pitchers can shift the probability significantly, as roster depth affects both offensive and defensive performance late in close games. Weather conditions—wind direction, temperature, humidity—influence ball carry and may favor either team's hitting style. Bullpen availability and recent performance trends matter greatly, since tired relievers increase the likelihood of tied scores entering extra frames. Lineup announcements, recent team form, and head-to-head historical patterns also drive trader positioning. As game time approaches, any breaking news about player health or tactical adjustments will likely trigger sharp price moves.