Image:Bollinger bands example, 2 stddevs.png

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Bollinger_bands_example,_2_stddevs.png‎ (5KB, MIME type: image/png)

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[edit] Summary

This image was created by me. The data shown is random numbers generated by a program I wrote. The image itself is a screenshot from my charting program, captured with xwd and imagemagick.

The green middle line is a 10-day simple moving average, the blue outer bands are drawn at 2 standard deviations away from the average.

[edit] Licensing

I, the author of this work, hereby publish it under the following licenses:

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".