state street corporation | 52 shareholder return performance presentation the graph presented below compares the cumulative total shareholder return on state street's common stock to the cumulative total return of the s&p 500 index , the s&p financial index and the kbw bank index over a five-year period . the cumulative total shareholder return assumes the investment of $ 100 in state street common stock and in each index on december 31 , 2012 . it also assumes reinvestment of common stock dividends . the s&p financial index is a publicly available , capitalization-weighted index , comprised of 67 of the standard & poor 2019s 500 companies , representing 27 diversified financial services companies , 23 insurance companies , and 17 banking companies . the kbw bank index is a modified cap-weighted index consisting of 24 exchange-listed stocks , representing national money center banks and leading regional institutions. .
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2012 2013 2014 2015 2016 2017
State Street Corporation $100 $159 $172 $148 $178 $227
S&P 500 Index 100 132 151 153 171 208
S&P Financial Index 100 136 156 154 189 230
KBW Bank Index 100 138 151 151 195 231
2012 2013 2014 2015 2016 2017
state street corporation $ 100 $ 159 $ 172 $ 148 $ 178 $ 227
s&p 500 index 100 132 151 153 171 208
s&p financial index 100 136 156 154 189 230
kbw bank index 100 138 151 151 195 231
what is the roi of an investment is state street corporation from 2012 to 2015?