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Date/Time: Wed, 17 Sep 2025 15:28:12 +0000



Post From: Trade cancelled

[2023-07-18 17:23:26]
John - SC Support - Posts: 41861
This is a Sierra Chart message:
InternalOrderID: 402. | 2023-07-18 09:41:04.255 MNQ-202309-CME-USD[M] 1 Min 30 Sec #4 | User order entry | Unable to Flatten/Reverse. Position does not exist. Working non-market orders will be canceled | Symbol: MNQ-

So it makes sense that IB would not know anything about this.

But what you should be asking is why was the order immediately canceled based on the following line with their support:
"Michael G: It looks like it was placed and then canceled."

Given the above, it sounds like Sierra Chart did not receive the updates from IB regarding the cancellation of the order.
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