I know i can do a quick research but give example of when btc was in bear market, the 2018 beginning of year, and some alts still moon ?
any example
if you only did a reserarch you wont be asking for examples anymore but im in a good mood so i did some research for you . theres many threads related to your topic but i only pick the date 2018 where btc dump .
thread 1 but has a less reply :
https://bitcointalk.org/index.php?topic=4361062.0thread 2 , the one with more replies :
https://bitcointalk.org/index.php?topic=4436807.0most replies says that alts do follow btc