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Date/Time: Wed, 03 Dec 2025 19:12:49 +0000



Post From: TT Connection Rejecting NG (NYMEX) Orders – Instrument Not Found Error

[2025-12-03 18:00:57]
Sierra_Chart Engineering - Posts: 21654
This is the symbol mapping that exists:
<symbol>NG?##_FUT_NYMEX</symbol>
<external-service-symbol>NG?#_NG_FUT_CME</external-service-symbol>

The external service symbol, is separated at each part where there is an _. Those four components, are sent to TT in the FIX message. They are set into the appropriate fields. This is just like any other symbol. So why there is a problem we do not know.

And even though this is a Nymex symbol, TT uses CME, for Nymex symbols.
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

For the most reliable, advanced, and zero cost futures order routing, use the Teton service:
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Date Time Of Last Edit: 2025-12-03 18:52:57