Players wagered a total of $548.1m during the opening three weeks of legal online sports betting in Massachusetts, while licensed operators generated $46.7m in revenue.
The US state opened it regulated market on March 10, with the inaugural online wagering report published this week by the Massachusetts Gaming Commission (MGC) covering the three-week period from this date, through to March 31.
DraftKings proved the most popular operator among consumers, drawing $257.6m in bets in the opening weeks, ahead of FanDuel on $181.1m and BetMGM with $45.3m.
Barstool Sportsbook took $29.5m in bets, while Caesars Sportsbook processed $16.4m and WynnBet $18.2m.
In revenue terms, FanDuel claimed top spot with $16.3m, narrowly ahead of DraftKings on $16.1m. Next was BetMGM with $7.4m, then Barstool Sportsbook on $3.0m, WynnBet at $2.1m and finally Caesars Sportsbook with $1.9m.
The MGC also noted that $9.1m was collected in tax, with online and mobile sports betting subject to a 20% taxation rate.
Turning to the retail betting market, which opened on January 31, revenue the entire month of March reached $1.5m, down 25.0% from $2.0m in its inaugural month in February. Player spending also declined 22.2% from $25.7m to $20.0m.
Encore Boston Harbor took $13.4m in bets and posted $701,807 in revenue, making it the market leader. Plainridge Park Casino processed $4.9m and generated $627,097 in revenue, while MGM Springfield took $1.7m and reported $176,774 in revenue.
Retail sports betting tax for the month reached $218,296, with operators paying at a rate of 15%.