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Pro Baseball: 2+ Grand Slam Game
kalshi

Pro Baseball: 2+ Grand Slam Game

Volume:
$25,498

2+ Grand Slam

 - Kalshi

2+ Grand Slam - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Oct 28, 2026

Closed: Oct 28, 11:25 PM EST

kalshi

Kalshi

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Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

2+ Grand Slam

View
0%
2%
Yes 0¢No 100¢
—
N/A
$25,498
N/A
N/A
$12,581
4w 17h
No
Total markets: 1

Intro

This market on Kalshi tracks whether any hitter will hit two or more grand slams in a single game during the 2026 Major League Baseball season. Currently, the probability of this occurring stands at 12.0% on Kalshi. The market resolves based on official MLB records for both regular season and playoff games throughout 2026. Watch for notable power hitters entering the season and any early-season performances that approach this rare feat, with resolution determined by the end of the 2026 playoff season.

Kalshi

If any hitter records 2+ grand slams in any game during the 2026 Pro Baseball season (regular season and playoffs), then the market resolves to Yes.

Frequently asked questions

Generally, prediction market odds tend to reflect the wisdom of the crowd, often differing from initial sportsbook lines. Sportsbooks set their odds based on models and public perception, while this market aggregates the insights of individual traders. It’s common to see this market move independently of sportsbook odds as new information emerges or as traders identify perceived mispricings. While sportsbooks may adjust their lines based on betting action, this market continuously updates with every trade, potentially offering a more dynamic and accurate forecast of the event’s likelihood.

On Kalshi, this market is priced using a continuous double auction. Traders buy and sell contracts representing the probability of the event occurring. As more people buy contracts, the price increases, reflecting a higher perceived chance of a game featuring two or more grand slams. Conversely, selling contracts drives the price down. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price represents the market’s collective assessment of the likelihood, and it fluctuates in real-time based on supply and demand. The current price reflects the aggregated beliefs of all participants trading in this market.

This market resolves around Dec 1, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Specifically, the resolution will depend on whether any player hits two or more grand slams in any Major League Baseball game played before the resolution date. Official game logs and statistics will be used to determine if the condition has been met. The market will settle to 100 if the event occurs, and 0 if it does not, based on these verified results.

Several factors could influence the price of this market. News regarding key hitters’ health or batting performance could significantly shift trader sentiment. A string of games with multiple home runs, even if not grand slams, might increase the perceived probability. Unexpected weather conditions that favor hitting could also play a role. Furthermore, any significant changes in public perception or analysis regarding the likelihood of a grand slam game could drive trading activity and move the market price. Monitoring player statistics and baseball news will be crucial for understanding potential catalysts.