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Date/Time: Sun, 16 Mar 2025 14:18:45 +0000



Post From: How is ask and bid volume determined from trade and quote data for US Equities?

[2022-08-03 11:36:54]
User167654 - Posts: 11
I am looking at NASDAQ stocks e.g. GOOG using Sierra Chart Historical Data Service. I understand that the ask and bid volumes you provide there are estimates. Your estimates may still be helpful to me so I want to understand how you make them.