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Date/Time: Thu, 20 Aug 2026 00:15:04 +0000



[Programming Help] - ACSIL – Rithmic order/fill timestamps

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[2026-08-19 20:45:11]
User73472599 - Posts: 5
ACSIL – Rithmic order/fill timestamps

When using Rithmic Direct-DTC with an ACSIL automated trading study, I want to measure order execution latency.

For an order submitted through ACSIL, can you confirm whether s_SCOrderFillData::FillDateTime represents the fill timestamp received from Rithmic, and whether it retains Rithmic's millisecond precision?

Also, is there an ACSIL-accessible timestamp representing when Rithmic acknowledges/accepts the order, distinct from the local submission time and FillDateTime?

I'm looking to measure:

local submission → Rithmic acknowledgement → Rithmic fill → local receipt of fill

with millisecond precision.
[2026-08-19 22:01:18]
Sierra_Chart Engineering - Posts: 24606
Yes and if there are milliseconds, then that portion of the timestamp would be from Rithmic:
can you confirm whether s_SCOrderFillData::FillDateTime represents the fill timestamp received from Rithmic, and whether it retains Rithmic's millisecond precision?

Not sure about this, it is not something we can spend the time looking into:

Also, is there an ACSIL-accessible timestamp representing when Rithmic acknowledges/accepts the order, distinct from the local submission time and FillDateTime?
Thinking about this some more, you can only see this data in the Trade Activity Log and it may be local timestamps only.
Sierra Chart Support - Engineering Level

Your definitive source for support. Other responses are from users. Try to keep your questions brief and to the point. Be aware of support policy:
https://www.sierrachart.com/index.php?l=PostingInformation.php#GeneralInformation

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Date Time Of Last Edit: 2026-08-19 22:02:11

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