Stock Volatility Calculator is a spreadsheet that downloads free historical stock data from the Yahoo! database and calculates the historical or realized volatility of the selected stock. The standard deviation of prices is plotted alongside the stock price chart. The user can freely change the stock used by entering the ticker symbol into the appropriate field and performing a fresh download. Users are also able to change the date range used for the stock data, the number of days back to use for the volatility calculation, and the number of volatility days to use.
Statmetrics is a software application providing an interactive environment for computational finance. It combines innovative quantitative finance technologies with traditional technical and econometric analysis methods. Statmetrics can be used in diverse fields to perform econometric analysis, technical analysis, risk management, portfolio management, and asset allocation.