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: Aug 22, 10:00 PM EST
Kalshi
Chicago C and Seattle could find themselves in a prolonged contest if the game remains tied after the ninth inning. Extra innings would then commence, testing the endurance and strategy of both teams to see who can secure the victory.
If Chicago C and Seattle go to extra innings in the Chicago C vs Seattle professional baseball game originally scheduled for Aug 22, 2026 at 7:15 PM EDT, then the market resolves to Yes.
On Kalshi, traders in the Extra Innings market set odds based on their expectations for the Chicago C vs Seattle game going beyond the standard nine innings. These prediction market odds often differ from traditional sportsbook lines, reflecting the unique insights and real-time sentiment of participants. While sportsbooks may incorporate broader public betting trends and adjusted margins, this market provides a more direct gauge of informed trader sentiment. The contrast can highlight shifts in perception as the game date approaches, especially with new pitcher announcements or weather forecasts influencing expectations.
On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, this market uses a continuous double-auction system where buyers and sellers post bids and offers that automatically match based on price. The current probability reflects the weighted average of all open orders, adjusting instantly to new information and trader behavior. Volume of $541 shows overall interest, while 24-hour volume of $539 indicates recent activity spikes. As Aug 23, 2026 approaches, expect sharper price movements reacting to official lineups, weather updates, and any game-day developments.
This market resolves around Aug 23, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by whether the game goes beyond the standard nine innings, with official game records serving as the basis for final confirmation.
Key signals that could shift this market include injury updates to key players, weather forecasts affecting game length, changes in starting pitchers, and any pre-game announcements regarding lineup adjustments. Additionally, broader betting trends or analyst commentary leading up to the game can also influence trader sentiment and move the odds.