Connecticut online casino growth slows to 6% in September, its last month at 18% tax

Connecticut's two online casinos generated $57 million in September 2026, up 6% on a year earlier, well off the 17% gain posted in August. The slowdown lands just as the state's tax on online casino revenue steps up from 18% to 20% in October. Connecticut’s online casinos generated $57 million in revenue in September 2026, a 6% rise on September 2025, according to Poker Industry PRO’s Market Monitor. It was the state’s last month at the 18% tax rate. From October, operators pay 20% of online casino gross gaming revenue, under notes published by the Department of Consumer Protection.