Which is the most viewed HBO show on digital platforms?

HBO's popular fantasy series Game of Thrones digital viewership has been challenged. HBO's latest show Chernobyl has beaten GOT & sets a new record. Chernobyl is based on the meltdown & explosion of the nuclear power plant in the USSR in 1986 & has become the highest fan scored TV show on IMDB. It has also gained a 52% of digital viewership from HBO Go, HBO Now & other OTT platforms; that makes it1st series to cross 50% mark.