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Date/Time: Tue, 21 Oct 2025 14:14:46 +0000



Post From: Interactive Brokers API returns QQQn-CFD-SMART-USD and TSLAn-CFD-SMART-USD.

[2025-10-03 15:26:30]
zzwf - Posts: 18
In Sierra Chart, I am using Interactive Brokers (TWS API) with the following setup:

Chart Symbol: QQQ-STK-SMART-USD (for displaying the stock chart data)
Trade Only Symbol: QQQ-CFD-SMART-USD (Use As Trade Only Symbol enabled, for submitting CFD orders)

When I place orders through the TWS API, on another computer connected to the same account, the transmitted order shows up with the symbol:
QQQn-CFD-SMART-USD

This is the problem:

For SPY CFD, the symbol returned by the API is SPY-CFD-SMART-USD, which works normally in Sierra Chart.
But for QQQ and TSLA CFDs, Interactive Brokers API returns QQQn-CFD-SMART-USD and TSLAn-CFD-SMART-USD.
Sierra Chart does not recognize the QQQn or TSLAn symbols, so the orders cannot be displayed on the other computer.

The issue is not with submitting orders locally (that works fine), but with having them received and displayed correctly on another Sierra Chart instance connected to the same IB account.

My question:
How can I configure Sierra Chart so that orders submitted as QQQ-CFD-SMART-USD locally will also display correctly on another computer when Interactive Brokers API reports them as QQQn-CFD-SMART-USD or TSLAn-CFD-SMART-USD?