Not a TA wiz by any means, but just looking at the 4 year cycle:
2013 peak: ~$1,132 (Nov 2013)
Bear low: roughly $150–$165 area in early 2015
Drawdown: ~-85% to -87%
2017 peak: ~$19.7k (mid-Dec 2017)
Bear low: ~$3,122
Drawdown: ~-84%
2021 peak: ~$68,982 (Nov 10, 2021)
Bear low / base: ~$15.8k...