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 20, 4:39 PM EST
Kalshi
This result is determined by whether the Atlanta vs Chicago WS game on August 20, 2026, requires additional innings to produce a winner. If the score remains level after the initial nine innings, the game proceeds to extra innings, which decides the outcome. It highlights the potential for a closely contested match between these two teams.
If Atlanta and Chicago WS go to extra innings in the Atlanta vs Chicago WS professional baseball game originally scheduled for Aug 20, 2026 at 2:10 PM EDT, then the market resolves to Yes.
On sportsbooks, odds for the extra innings market reflect bookmaker adjustments and public betting patterns, often including a built-in house edge. Prediction markets, by contrast, let traders buy and sell contracts directly based on their beliefs, producing prices closer to what participants collectively think is the true probability. Because of this difference, prediction market odds can diverge noticeably from sportsbook lines, especially when trader sentiment shifts ahead of the game on Aug 20, 2026.
On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, traders determine the price through continuous bidding and asking, with the current top outcome reflecting the aggregate belief about extra innings occurring. The market’s probability indicator adjusts in real time as new information emerges, such as starting pitcher announcements or weather updates, and volume of $1,060 shows overall trader interest. This mechanism allows rapid price shifts as the game on Aug 20, 2026 approaches.
This market resolves around Aug 20, 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 no need for additional interpretation beyond widely available game records.
Key signals include official lineup releases, especially any last-minute changes to starting pitchers, and weather forecasts that might affect game length. Injuries or roster updates announced by either team could also shift expectations. As Aug 20, 2026 nears, any delay or suspension announcements will heavily influence trader sentiment and push the probability higher or lower based on perceived likelihood of extra innings.