When Bitcoin hit its ATH during the first week of January 2017, ALT/BTC pairs were almost dead. BTC tried to break $1150 once again and real alt party had started with Ethereum first then Ripple and all other coins skyrocketed.
4 years has passed, market has bottomed long time ago. Most of the ALT/BTC pairs are still dead and BTC is closing to ATH again. Will history rhymes? We'll find out sooner or later