Read the following texts and table with financial data from an S&P 500 earnings report carefully.Based on the question-answer history (if provided), answer the last question. The answer may require mathematical calculation based on the data provided.

Text: part ii item 5 . market for registrant 2019s common equity , related stockholder matters and issuer purchases of equity securities our ordinary shares have been publicly traded since november 17 , 2011 when our ordinary shares were listed and began trading on the new york stock exchange ( 201cnyse 201d ) under the symbol 201cdlph . 201d on december 4 , 2017 , following the spin-off of delphi technologies , the company changed its name to aptiv plc and its nyse symbol to 201captv . 201d as of january 25 , 2019 , there were 2 shareholders of record of our ordinary shares . the following graph reflects the comparative changes in the value from december 31 , 2013 through december 31 , 2018 , assuming an initial investment of $ 100 and the reinvestment of dividends , if any in ( 1 ) our ordinary shares , ( 2 ) the s&p 500 index and ( 3 ) the automotive peer group . historical share prices of our ordinary shares have been adjusted to reflect the separation . historical performance may not be indicative of future shareholder returns . stock performance graph * $ 100 invested on december 31 , 2013 in our stock or in the relevant index , including reinvestment of dividends . fiscal year ended december 31 , 2018 . ( 1 ) aptiv plc , adjusted for the distribution of delphi technologies on december 4 , 2017 ( 2 ) s&p 500 2013 standard & poor 2019s 500 total return index ( 3 ) automotive peer group 2013 adient plc , american axle & manufacturing holdings inc , aptiv plc , borgwarner inc , cooper tire & rubber co , cooper- standard holdings inc , dana inc , dorman products inc , ford motor co , garrett motion inc. , general motors co , gentex corp , gentherm inc , genuine parts co , goodyear tire & rubber co , lear corp , lkq corp , meritor inc , motorcar parts of america inc , standard motor products inc , stoneridge inc , superior industries international inc , tenneco inc , tesla inc , tower international inc , visteon corp , wabco holdings inc company index december 31 , december 31 , december 31 , december 31 , december 31 , december 31 . <table class='wikitable'><tr><td>1</td><td>company index</td><td>december 31 2013</td><td>december 31 2014</td><td>december 31 2015</td><td>december 31 2016</td><td>december 31 2017</td><td>december 31 2018</td></tr><tr><td>2</td><td>aptiv plc ( 1 )</td><td>$ 100.00</td><td>$ 122.75</td><td>$ 146.49</td><td>$ 117.11</td><td>$ 178.46</td><td>$ 130.80</td></tr><tr><td>3</td><td>s&p 500 ( 2 )</td><td>100.00</td><td>113.69</td><td>115.26</td><td>129.05</td><td>157.22</td><td>150.33</td></tr><tr><td>4</td><td>automotive peer group ( 3 )</td><td>100.00</td><td>107.96</td><td>108.05</td><td>107.72</td><td>134.04</td><td>106.89</td></tr></table> .
Question: what was the change in price for aptiv plc between 12/31/13 and 12/31/18?
Answer: 30.8
Question: and the price for s&p 500 as of 12/31/18?
Answer: 150.33
Question: and the change in price between 12/31/13?
Answer: 50.33
Question: so what was the growth for aptiv plc?
Answer: 0.308
Question: and for s&p 500?

user
0.5033
assistant