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Date/Time: Thu, 21 May 2026 19:38:20 +0000



Post From: Bid and Ask Depth Bars

[2026-05-21 17:07:51]
John - SC Support - Posts: 46234
There is a known issue when using a Calculation Method of "Ask - Bid", when the actual number of levels at the exchange exceeds 1400, which is the amount that Sierra Chart can handle. In this case, we see the numbers typically getting very large.

We wonder if what you are seeing may be due to this same thing, but perhaps you are using a different Calculation Mode.

Please set the following setting to 1399 and see if this resolves the issue for you:
Chart Settings: Number of Levels for Bid/Ask Depth Calculations (Chart >> Chart Settings >> Market Depth menu)
For the most reliable, advanced, and zero cost futures order routing, use the Teton service:
Sierra Chart Teton Futures Order Routing