DraftKings entered 2026 with the kind of earnings report investors have long been waiting for, signaling that years of aggressive expansion are beginning to translate into sustained profitability. The Boston-based sportsbook and online gaming operator reported $1.65 billion in first-quarter revenue on Thursday, a 17% increase from the same period last year. Improved sportsbook margins and steady customer engagement helped the company post a $21 million profit, reversing a loss recorded a year earlier. The results suggest DraftKings is moving beyond the costly customer-acquisition phase that defined the early years of legalized sports betting expansion across the United States. Company executives said the core sportsbook business is now generating enough cash flow to fund newer initiatives without undermining profitability. We are off to a fantastic start to the year as our first quarter results exceeded our expectations,” Chief Executive Officer Jason Robins said in the company’s earnings release.…