Volume substitute for those who prefer to use the XBT ticker. Renko on a small time scale is a good option, but lacks wicks.
Can be used as a non-overlay indicator by detaching. Differences are more visible on large time scales, or on Renko.
Possible future changes:
Make the columns more volatile
Change column color based on previous column's value
Original credits:
pigloo for the original script, and Ivturner for his edit.