Upgraded Kalshi referral code ALCOM unlocks $500 bonus for Brickyard 400 + NFL futures

One of NASCAR’s major ‘Crown Jewel’ events is set for Sunday, as the green flag drops on the Brickyard 400 in Indianapolis at 2 p.m. ET. Our new Kalshi referral code ALCOM is your pit pass to a “mystery” bonus that could be for as much as $500.