The company raised subscription prices across most plans in the U.S. and several other markets. It added 19 million subscribers in the fourth quarter of last year.

Netflix reaffirmed its dominance of the streaming video market on Tuesday, as its mixture of live sporting events, popular returning series - and singular moments, such as a football halftime performance by Beyonce - helped attract a record number of subscribers over the holiday quarter.

Netflix is raising prices, a disclosure made in its fourth-quarter earnings report, which showed live events driving its biggest subscriber gain in history. Why it matters: The streaming giant bet big on its first two NFL games and a boxing match between Mike Tyson and Jake Paul in the fourth quarter — plus a new season of the scripted show "Squid Game.