Kalshi promo code NYPMAX: Trade $10, get $10 for Mets vs. Rockies May 4, 2026 @ 1:30pmBaseball > MLB > Colorado Rockies > New York MetsNY Post SportsTrade $10, get $10 with the Kalshi promo code NYPMAX. Read moreKalshi promo code NYPMAX: Trade $10, get $10 for Mets vs. Rockies