The current IBKR stock price and volume information (subject to a 20 minute delay) can be found on the Investor Relations page.
How can I get the current IBKR stock price?
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Why is my order price considered too far away from the current Reference Price?
How can I add the average price of a position to TWS?
How can I generate a copy of the client's application?
Can I display overlapping Volume in charts in TWS?