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: 6feb201418202649 performance graph the table below compares the cumulative total shareholder return on our common stock with the cumulative total return of ( i ) the standard & poor 2019s 500 composite stock index ( 2018 2018s&p 500 index 2019 2019 ) , ( ii ) the standard & poor 2019s industrials index ( 2018 2018s&p industrials index 2019 2019 ) and ( iii ) the standard & poor 2019s consumer durables & apparel index ( 2018 2018s&p consumer durables & apparel index 2019 2019 ) , from december 31 , 2008 through december 31 , 2013 , when the closing price of our common stock was $ 22.77 . the graph assumes investments of $ 100 on december 31 , 2008 in our common stock and in each of the three indices and the reinvestment of dividends . $ 350.00 $ 300.00 $ 250.00 $ 200.00 $ 150.00 $ 100.00 $ 50.00 performance graph . <table class='wikitable'><tr><td>1</td><td>-</td><td>2009</td><td>2010</td><td>2011</td><td>2012</td><td>2013</td></tr><tr><td>2</td><td>masco</td><td>$ 128.21</td><td>$ 120.32</td><td>$ 102.45</td><td>$ 165.80</td><td>$ 229.59</td></tr><tr><td>3</td><td>s&p 500 index</td><td>$ 125.92</td><td>$ 144.58</td><td>$ 147.60</td><td>$ 171.04</td><td>$ 225.85</td></tr><tr><td>4</td><td>s&p industrials index</td><td>$ 120.19</td><td>$ 151.89</td><td>$ 150.97</td><td>$ 173.87</td><td>$ 243.73</td></tr><tr><td>5</td><td>s&p consumer durables & apparel index</td><td>$ 136.29</td><td>$ 177.91</td><td>$ 191.64</td><td>$ 232.84</td><td>$ 316.28</td></tr></table> in july 2007 , our board of directors authorized the purchase of up to 50 million shares of our common stock in open-market transactions or otherwise . at december 31 , 2013 , we had remaining authorization to repurchase up to 22.6 million shares . during the first quarter of 2013 , we repurchased and retired 1.7 million shares of our common stock , for cash aggregating $ 35 million to offset the dilutive impact of the 2013 grant of 1.7 million shares of long-term stock awards . we have not purchased any shares since march 2013. .
Question: what was the performance value of the s&p 500 index in 2010?
Answer: 144.58
Question: and what was it in 2009?

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125.92
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