Please answer the given financial question based on the context.
Context: stock price performance the following graph shows a comparison of the cumulative total return on our common stock , the standard & poor 2019s 500 index and the standard & poor 2019s retail index . the graph assumes that the value of an investment in our common stock and in each such index was $ 100 on december 31 , 2011 , and that any dividends have been reinvested . the comparison in the graph below is based solely on historical data and is not intended to forecast the possible future performance of our common stock . comparison of cumulative total return among advance auto parts , inc. , s&p 500 index and s&p retail index company/index december 31 , december 29 , december 28 , january 3 , january 2 , december 31 .
|company/index|december 31 2011|december 29 2012|december 28 2013|january 3 2015|january 2 2016|december 31 2016|
|advance auto parts|$ 100.00|$ 102.87|$ 158.46|$ 228.88|$ 217.49|$ 244.64|
|s&p 500 index|100.00|114.07|152.98|174.56|177.01|198.18|
|s&p retail index|100.00|122.23|178.55|196.06|245.31|256.69|
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Question: what is the rate of return on an investment in s&p500 index from 2015 to 2016?


Answer: The answer is:0.01404