On Tuesday, July 21st, 2026, Kalshi prediction markets announced an update for the new Kalshi referral code SYRACUSE in NY and most other states for another day of MLB action, including Mets vs. Brewers and Yankees vs. Pirates on Tuesday’s slate. Using this referral code provides a $10 bonus to ne w traders, making today the perfect day to activate this Kalshi referral offer for first-time traders in New York and elsewhere. ...read more read less