Pip Foundry - BitMEX BVOL24H Index

Courtesy of Pip - uses BVOL calculation from bitmex.com/app/index/.BVOL24H:

P = Bitfinex Last Price (taken at 5 minute intervals)
Stdev = Sample Standard Deviation
Ln = Natural Logarithm
Sqrt = Square Root

.BVOL Index = Stdev(Ln(P1/P0), Ln(P2/P1), ..., Ln(P288/P287))
* Sqrt(288)