OPEN-SOURCE SCRIPT
Updated volatility_24h
view on 1m chart, vol is calculated from previous 1440 1m closes
Release Notes
volatility as calculated from 1 minute closes for last 1440 candles (24h)Release Notes
The BitMEX Daily Historical Bitcoin Volatility Index is referred to as the .BVOL24H Index. This index is calculated logarithmic percentage change taken from measurements taken the Bitcoin spot price every minute. 
Open-source script
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in publications is governed by House rules. You can favorite it to use it on a chart.
Want to use this script on a chart?
Disclaimer
The information and publications are not meant to be, and do not constitute, financial, investment, trading, or other types of advice or recommendations supplied or endorsed by TradingView. Read more in the Terms of Use.