Please answer the given financial question based on the context.
Context: 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 and the s&p financial 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 , 2007 at the closing price on the last trading day of 2007 , and also assumes reinvestment of common stock dividends . the s&p financial index is a publicly available measure of 80 of the standard & poor's 500 companies , representing 26 diversified financial services companies , 22 insurance companies , 17 real estate companies and 15 banking companies . comparison of five-year cumulative total shareholder return .
||2007|2008|2009|2010|2011|2012|
|state street corporation|$ 100|$ 49|$ 55|$ 58|$ 52|$ 61|
|s&p 500 index|100|63|80|92|94|109|
|s&p financial index|100|45|52|59|49|63|
.
Question: what is the roi of an investment in s&p500 index from 2007 to 2009?


Answer: The answer is:-0.2