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Date/Time: Sun, 06 Jul 2025 15:06:05 +0000



Post From: Market Depth delays replay start

[2017-08-14 22:47:01]
Merlin - Posts: 83
I recently set my NQ Symbol Setting to record Market Depth data.
This works well; when I do a replay I see the depth numbers on my Trade DOM.
However, it has added a significant delay each time I start a new Replay session, as every one of the charts in my chartbook independently loads the large market depth history files.
This takes an annoying amount of time, even though right now I've only saved a few days of depth history - I presume that as my store of depth history increases, it will take even longer to start a replay.

My charts do not use Market Depth data at all; the only window in my chartbook that uses depth data in a replay is the Trade DOM.
And I'm not currently using any depth-based studies on my charts.

Is there a way to turn off this unnecessary depth data load?
Ideally, a chart would detect whether it uses depth data, and not bother loading it for replay if it doesn't need it.
But I'd be happy with a chart setting "Load Market Depth Data" that I could turn off. :-)

Merlin