TOTAL VOLUME:

$117b

24H VOL:

$136,514,621

24H TRANSACTIONS:

1,380,975,298

OPEN INTEREST:

$1,197,935,553

342,340

Markets across

34,269

events

MATCHED EVENTS:

4,394

PLATFORM COVERAGE:

5

Polymarket:

42%

VS.

Kalshi:

58%

Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
Total markets: 1

Description

The Cincinnati vs San Francisco baseball game scheduled for August 26, 2026, will proceed through its nine regulated innings. If scoring remains tied after these standard innings, play will extend beyond the ninth inning until a winner is determined through additional frames.

Kalshi

If at least 1 extra inning is played in the Cincinnati vs San Francisco professional baseball game originally scheduled for Aug 26, 2026 at 3:45 PM EDT, then the market resolves to Yes.

Frequently asked questions

On Kalshi, the dashboard tracks real-time odds and price history for the extra innings market, alongside 24-hour volume of $594. It shows how traders on this single venue are pricing the likelihood of extra innings in the upcoming game, with charts reflecting shifts in sentiment as the event approaches.

Compared to traditional sportsbook odds, prediction market odds for this market often reflect a more nuanced outlook, incorporating a wider range of trader perspectives. While sportsbooks may lean on historical trends and public betting patterns, this market captures crowd-sourced speculation that can diverge significantly, especially as new game-specific developments emerge.

On Kalshi, this market uses a dynamic odds model where traders buy or sell contracts based on their outlook for the extra innings market. The current probability reflects collective trader sentiment, adjusted for liquidity and open interest. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Volume and recent trading patterns help gauge market confidence, with shifts in odds often following key game developments or pitcher announcements. As the event nears, any last-minute roster changes or weather updates could cause rapid price swings.

This market resolves around Aug 26, 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, as officially recorded by the league and reported through trusted sports news outlets.

In the coming weeks, several signals may impact this market. Starting pitcher rotations, injury reports, or weather forecasts for the game date could shift trader expectations. Any last-minute lineup changes or performance updates for key players might also cause volatility. As Aug 26, 2026 approaches, real-time game developments — like early leads or pitching changes — will heavily influence odds, especially if the game appears headed toward extra innings.