Support Board
Date/Time: Wed, 30 Sep 2026 04:56:08 +0000
Use Server Side OCO Orders — does it apply to DTC-submitted bracket orders?
View Count: 251
| [2026-08-15 16:21:53] |
| Manju225577 - Posts: 4 |
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I am using the DTC Protocol Server with an external client that submits orders on MGC (E-Micro Gold). Sierra Chart build 57695, Windows Server 2022, data and trading through Rithmic Direct - DTC. I am building bracket submission following "DTC Messages and Procedures", section "Bracket Order Procedures" — the parent submitted via SUBMIT_NEW_SINGLE_ORDER with IsParentOrder set to 1, then the two children via SUBMIT_NEW_OCO_ORDER with ParentTriggerClientOrderID set, the two messages sent consecutively. My understanding from that documentation is that the OCO pair does not become active until the parent is filled or partially filled, and that the children carry ORDER_STATUS_PENDING_CHILD until then. That implies the children are held by Sierra Chart rather than resting at the trading service. QUESTION 1 When "Use Server Side OCO Orders" is enabled, does it apply to OCO orders submitted over DTC, or only to orders entered through Sierra Chart's own order entry? QUESTION 2 If it does apply to DTC-submitted orders, are the child orders then resting at the trading service rather than held locally? Specifically: if Sierra Chart loses its connection to the service while a bracketed position is open, would the protective stop still be active at the service and still execute? QUESTION 3 If the children are held locally until the parent fills, is there a window between the parent fill and the children being accepted during which the position has no resting stop order? I would like to understand the expected behaviour so that I know what my client needs to handle itself. QUESTION 4 Is there any way for a DTC client to determine whether a given child order is held by Sierra Chart or is resting at the service? Thank you. |
| [2026-08-16 23:29:11] |
| Sierra_Chart Engineering - Posts: 25006 |
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Refer to the information here and the following sections: Attached Orders: General Management of Attached Orders (Also applies to the DTC Protocol server) The only thing that we would add is that even though you can submit, a bracket order through the DTC Protocol server, it does not mean that it is actually going to be a server-side bracket order with the external trading service. Regarding question 4 you have to check the Trade Activity Log (as explained in the documentation above). Not sure if you could look at the order status to tell if the child orders are on the server or not. If the children are held locally until the parent fills, is there a window between the parent fill and the children being accepted during which the position has no resting stop order?
Yes there is a time window but it is very small. You really should use the Teton order routing service which supports server-side bracket orders. Rithmic does not.
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: Sierra Chart Teton Futures Order Routing Date Time Of Last Edit: 2026-08-16 23:34:57
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