Interactive Brokers enables TWS users to change trades' cost basis via Tax Optimizer tool - FinanceFeeds
Monitoring Stock Loan Availability | IB Knowledge Base
Interactive Brokers LLC
Did any of you short selling experts short $DATS today? There were no shares available to borrow on Interactive Brokers. Perhaps, short sellers used brokers that had hard to borrow shares. I'm
TWS Version 949 - Release Notes | Interactive Brokers LLC