Story thread · 2 reports / 2 sources

'Mattress Mack' uses a prediction market to wager on the Astros' postseason hopes

cw39.com · 6hShare

The Houston furniture salesman also known as Jim McIngvale has put about $516,000 on the Astros to win the World Series through the prediction market Kalshi, with a potential payout of roughly $13 million.

First report: Mattress Mack lays $516K hammer on the Astros to win $13 million at Kalshi — nypost.com, 1d