Betting data from Illinois, New Jersey, and Colorado shows how parlays are driving revenue growth for FanDuel, DraftKings, and other US sports betting companies (Wall Street Journal)

Wall Street Journal:
Betting data from Illinois, New Jersey, and Colorado shows how parlays are driving revenue growth for FanDuel, DraftKings, and other US sports betting companies  —  Parlays, the tough-to-win multipart wagers with tantalizing payouts, are bringing in casual and newbie gamblers, and betting companies are making a killing