Can I use the TWS Market Scanner during the Pre-Market and Post-Market sessions?

Yes\! Use the Advanced Market Scanner and select a bond type from the instrument scanner. Once you have chosen a bond, defined the bond-related filters and criteria as needed.

Additional Information…

Delayed market data (streaming and historical bars) can be retrieved using the TWS API, if the data is available. In the case of streaming data, it will be necessary to explicitly switch to the delayed or delayed-frozen market data types prior to calling the EClient.reqMktData() function…

If you see a fee for "abcopranp" on your statement, it is because you are subscribed to the US Equity and Options Add-On Streaming Bundle Non-Professional market data package.

For more information on available market data packages, please see the Market Data Fees…

Snapshot quotes on the ASX exchange are only available to Non Professional market data subscribers.

Find more information on Snapshot Market Data in the IBKR Knowledge Base…