According to the researchers at Parks Associates, 31 percent of all U.S. broadband-enabled homes have multiple over-the-top (OTT) service subscriptions. Also, 63 percent subscribe to at least one OTT service.

Parks refers to this as "service stacking," and says it marks an important step in the industry's growth.

“Parks Associates, through our OTT Video Market Tracker service, has identified the service-stacking phenomenon as an important step in the growth of the U.S. OTT video services marketplace,” says Brett Sappington, senior director of research for Parks. “Consumer willingness to subscribe to multiple services provides the consumer-paid revenues necessary for continued industry growth.”

From the article "One-Third of U.S. Broadband Households Have Multiple OTT Subs" by Troy Dreier.