stock performance graph : the graph below shows the cumulative total shareholder return assuming the investment of $ 100 , on december 31 , 2010 , and the reinvestment of dividends thereafter , if any , in the company's common stock versus the standard and poor's s&p 500 retail index ( "s&p 500 retail index" ) and the standard and poor's s&p 500 index ( "s&p 500" ) . .
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December 31,
Company/Index 2010 2011 2012 2013 2014 2015
O'Reilly Automotive, Inc. $100 $132 $148 $213 $319 $419
S&P 500 Retail Index 100 103 128 185 203 252
S&P 500 $100 $100 $113 $147 $164 $163
company/index december 31 , 2010 december 31 , 2011 december 31 , 2012 december 31 , 2013 december 31 , 2014 december 31 , 2015
o'reilly automotive inc . $ 100 $ 132 $ 148 $ 213 $ 319 $ 419
s&p 500 retail index 100 103 128 185 203 252
s&p 500 $ 100 $ 100 $ 113 $ 147 $ 164 $ 163
what is the roi of an investment in the o'reilly automotive inc . from 2010 to 2011?