Matt Levine’s Money Stuff: Predict the Sneakers

Everything exchange

We talked yesterday about a partnership between Kalshi Inc., the prediction market, and StockX, the sneaker market, to offer prediction markets on sneakers and other collectibles. Now you can go on StockX and buy ASICS Gel-1130 “Black Pure Silver” sneakers for $125, or you can go on Kalshi and pay 80 cents for a contract that pays $1 if the average price of ASICS Gel-1130 “Black Pure Silver” sneakers on StockX this month is above $120, or $0 if it is below that price.

If you buy the sneakers on StockX, you get the sneakers. If you buy ...