The milestone of 70 million users comes as the streamer has sold out in-game inventory for its Christmas Day NFL games.

Netflix ( NFLX) said Tuesday that its ad tier, now two years old, has reached 70 million global monthly active users — a significant jump from the 40 million users the company revealed at its second Upfront presentation in May. The ad plan now accounts for over 50% of all Netflix sign-ups in markets where it's offered.

The plan, priced at $6.99 per month in the U.S., now accounts for more than half of all new Netflix sign-ups in regions where it is available. It reached 40 million global monthly active users in May. Netflix's cheapest plan without commercials costs $15 ...

Netflix stock closed at a new record Tuesday afternoon, after the company announced that its advertisement-supported subscription tier has hit 70 million global monthly active users. Netflix said on Tuesday that “over 50% of new Netflix sign-ups are for the ads plan in ad-supported countries.

Netflix is marking the two-year anniversary of its entry into advertising by revealing its ad tier now reaches 70 million monthly active users worldwide.

The company said more than half of new sign-ups in countries where Netflix offers ads are for the cheaper ad-subscription tier.

Netflix advertising president Amy Reinhard says the streaming giant now reaches 70 million subscribers across its ad tiers globally