ChuChu Rocket wrote: Fri Apr 29, 2022 10:53 pm I've never seen this before. I wonder how it's used?

PS: Thank you for the TPL file.

Basically, it's just another way of representing the volume profile.
Light blue zones are price levels which has seen the most consolidation.
You can often see that the price is returning to these zones.
You get many false entries, but the R:R ist often extremly good.
There was a potential trade in EURUSD today. I didn't take it, because the trend is down.

EU 5M / Volumeprofile D1: