1/ 2011 Cycle

Peak: ~$31
Bottom: ~$2
Drawdown: ~94%
2/ 2013–2015 Cycle
Peak: ~$1,150
Bottom: ~$152
Drawdown: ~87%
3/ 2017–2018 Cycle
Peak: ~$19,800
Bottom: ~$3,200
Drawdown: ~84%
4/ 2021–2022 Cycle
Peak: ~$69,000
Bottom: ~$15,500
Drawdown: ~77%
#BTC Currently bottomed at 52% from ATH
80% correction would take $BTC to around 25K
Though a better technical target might be the 100% extension of the W wave at 52K (59% correction)