IB's AQS® Marketplace eliminates the need to manually synchronize
borrow/loan trades and pricing data between two different applications
Interactive Brokers offers the following benefits to traders who short stock:
Customers with Portfolio Margin accounts can use the Stock Borrow/Loan feature in Trader Workstation to borrow and lend US stocks electronically via the AQS®, the first automated, centrally-cleared electronic marketplace for Stock Borrow and Loan transactions.
Use IB's Short Stock Availability Tool, a fully electronic, self service utility, to search for real-time availability of shortable stocks.
Earn extra income on the fully-paid shares of stock held in your account by joining IB's Stock Yield Enhancement Program.
http://individuals.interactivebrokers.com/en/index.php?f=shortableStocks&p=overview
