Can I access Market Scanners via the TWS API?

Historical market data is available via a number of methods through our API offerings. The TWS API allows one to request historical bar data, historical tick data and histogram data, while the Web API allows one to request historical bar data.

For detailed documentation of this functionality and the associated limitations, please see:…

An order type that can be built via the API can always be first manually created and tested in TWS. If the order cannot be created in TWS, it cannot be created via the API. For further information:

• Order Types Documentation…

There is not a function to reverse a position either via the TWS API or the Web API. However, by requesting position data, and then placing an order, you can mimic this functionality. For relevant documentation links:

TWS API:…

You can start "from scratch" to create a custom TWS Mosaic Market Scanner. 

To create a custom scanner:…