While IB does sometimes mess up, these types of things are almost always due to an issue with the client app.
The first step is to enable the API log and look to at the data TWS actually sends.
If this is indeed a problem on IB's end I'd expect the group would have exploded with activity.
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On 3/8/2022 2:38 PM, movais996@... wrote:
After a certain period, this gap grows to even a 10 or more minutes lag between the price received by API and the price shown on terminal! Has anyone experienced it?
