August 2013
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Day August 21, 2013

AMP Index update

The following graphs show the most visible global phone brands and the approximate percent of value they captured since 2007.

Screen Shot 2013-08-21 at 8-21-6.17.19 PM

The graphs each show trailing four quarter average of shares of units shipped, revenues, operating profits and smartphones shipped. I also averaged the four shares into a single share number called the AMP index (Asymco Mobile Performance).