On Tuesday, May 19th, 2026, Kalshi prediction markets extends the new Kalshi referral code SYRACUSE through Memorial Day Weekend in NY and PA. This announcement comes just in time for another exciting day of sports action, featuring Game 1 of the Eastern Conference Finals between the New York Knicks and Cleveland Cavaliers. Using this referral code provides a $10 bonus to new traders, making today the perfect day to activate this Kalshi referral offer for first-time traders in New York and Pennsylvania. ...read more read less