Kalshi’s $100 Million “Combos” Ignite a Parlay Race With Polymarket in U.S. Sports Betting
New York, January 16, 2026, 08:34 EST Kalshi revealed its new “Combos” product for multi-leg sports bets hit over $100 million in trading volume in just one week—a rare peek into the rapid growth of prediction markets in sports. Parlays, which pay out only if every leg wins, made up 63% of New Jersey’s online sports betting revenue through October.…