Houston Retailer “Mattress Mack” Places $516,000 Wager on Astros World Series Victory
Houston furniture salesman Jim "Mattress Mack" McIngvale has placed a $516,000 wager on the Houston Astros to win the World Series through the prediction market Kalshi, with a potential return of approximately $13 million.
Amarillo, TX, September 30, 2026 —
Houston, TX – Jim McIngvale, a well-known Houston furniture salesman often referred to as “Mattress Mack,” has reportedly placed a substantial wager on the Houston Astros to secure a World Series championship. The bet amounts to $516,000 and was made through the prediction market platform Kalshi.
Should the Houston Astros win the World Series, the wager carries a potential return of approximately $13 million. The specific details regarding the exact timing of the wager or the particular season for which the bet was placed were not provided in the summary information.
McIngvale is recognized for his significant betting activity, particularly on sporting events involving Houston teams. While the outcome of this wager remains contingent on the Astros’ performance in the upcoming World Series, the scale of the bet highlights a notable financial commitment.
The prediction market Kalshi allows users to trade contracts based on the outcomes of future events. This transaction represents one of the larger sums reportedly placed on such a market related to a sports championship.
The contractor’s name, beyond McIngvale’s own business, was not provided. The permit status, inspection outcomes, code violations, fine amounts, or any subsequent actions related to this wager are also not detailed in the available information.
Story summarized from the original created by Chad Washington on www.myhighplains.com, see more information here.
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