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Date/Time: Fri, 31 Jul 2026 19:51:42 +0000



Post From: Volume By Price study - different VAH, VAL values on 1h and 15m chart

[2026-07-05 09:20:52]
User821223 - Posts: 18
Thank you for the clarification, now I understand how it works.

I figured out that if I set in Chart Settings >> Session Times:
* Session Start Time: 9:30:00
* Session End Time: 16:14:59

And on 1h chart I will use only cash sesion (UNCHECK Chart >> Use Evening/Full Session) I will have the real values of VAH and VAL - the same that I would see on 15m chart with Evenning Session enabled.


Most of the studies in Sierra Chart work on the actual bars in the chart, not on the underlying data that makes them up. This includes the Volume by Price study.

So when you set a "Start Time" it is going to start the Volume by Price at the bar that is nearest the entered time. Since you have a time of 09:30:00, the nearest bar is the 10:00:00 bar (not the 09:00:00 bar due to rounding up).

Maybe it would be possible to add above note in the VBP study documentation ? Currently it is not there and it is difficult to figure it out ;-)
Volume By Price Study: Start Time


Thank you,
Przemek
Date Time Of Last Edit: 2026-07-05 09:21:24