Bollinger Chart Example
Next the Financial Toolbox
bolling function produces a Bollinger band chart using all the closing prices in the same IBM stock price matrix. A Bollinger band chart plots actual data along with three other bands of data. The upper band is two standard deviations above a moving average; the lower band is two standard deviations below that moving average; and the middle band is the moving average itself. This example uses a 15-day moving average.
Assuming the previous IBM data is still loaded, simply execute the Financial Toolbox function.
Specify the axes, labels, and titles. Again, use
dateaxis to add the x-axis dates.
For help using MATLAB plotting functions, see Creating Plots" in the MATLAB documentation. See the MATLAB documentation for details on the
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