XLQ delivers free live, intraday and historical worldwide stock market data. Data can be used in XLQ, xlqCompanion, MS Excel and other programs, or with programming languages through a COM interface from Yahoo! and MSN. With more than 300 formulas available, XLQ can maintain a portfolio or perform personalized in-depth stock analysis. In addition to real-time market data updated from the Internet, XLQ also provides an Excel interface for all data from AAII’s Stock Investor Pro.