Update: HBO says the NPD report is incorrect, and that it’s not losing subscribers. Both HBO and Cinemax have shown “significant” growth over the past two years, according to the company. Meanwhile, NPD appears to have pulled the report.

It appears that premium cable channels like HBO, Showtime and Starz are losing subscribers as online streaming services like Netflix, Amazon Prime Instant Video and Hulu Plus are gaining them.

Research from the NPD Group has come out (via Variety) indicating that U.S. premium TV channel subscriptions declined by 6% From March 2012 to August 2013, while subscriptions to the streaming services grew by 4%.

32% of homes in the U.S. had premium cable subscriptions while 27% had subscriptions to online services. According to NPD Group, Netflix leads these, but the others are seeing big growth.

HBO has been making its online video service HBO Go more accessible. News of its arrival on Playstation consoles just came last week. It also recently gained Chromecast support. Still, you have to subscribe to the TV channel to access it, which remains a major barrier to much more significant growth for that.

Netflix has certainly established itself as a major force in original content. Its shows have now won Emmys, a Golden Globe and a People’s Choice Award, and it now even has an original documentary nominated for an Oscar. The service has a ton more original content on the way over the next year.

Image via Netflix