Several factors contribute to OTT video service churn by consumers, according to Brett Sappington, senior director of research at Parks Associates. “In some instances, consumers are experimenting with new services, trying a service and cancelling before the trial period ends or within a few months,” he said. “Popular shows or events, such as HBO’s Game of Thrones or WWE Network’s Wrestlemania, can be beneficial in terms of attracting users.”

From the article "Netflix Has Lowest OTT US Subscriber Churn Rates" by www.iptv-news.com