On Monday, May 18th, 2026, Kalshi prediction markets launches the new Kalshi referral code SYRACUSE in NY and PA for another exciting day of sports action, featuring plenty of MLB matchups, like Mets vs. Nationals, Yankees vs. Blue Jays and Phillies vs. Red, plus tomorrow’s exciting Knicks vs. Cav s Game 1 of the Eatern Conference Finals. ...read more read less