2022
It will be updated from time to time.
If you want to see BTC data please read Bitcoin Daily Volatility.
2021
max increase: 26.46%
biggest drop: -27.19%
2020
max increase: 25.68%
biggest drop: -45.49%
2019
max increase: 16.80%
biggest drop: -17.24%
2018
max increase: 19.36%
biggest drop: -20.27%
2017
max increase: 32.59%
biggest drop: -24.61%