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
pigloo for the original script, and Ivturner for his edit.
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 a publication is governed by House Rules. You can favorite it to use it on a chart.
Sorry if I haven't replied to your message yet, I'm a bit backlogged :)