Year End

Stock X

Realized Return

Stock Y Realized Return

Stock Z

Realized Return

$2004$

$20\mathrm{.}1\%$

minus$14\mathrm{.}6\%$

$0\mathrm{.}2\%$

$2005$

$72\mathrm{.}7\%$

$4\mathrm{.}3\%$

minus$3\mathrm{.}2\%$

$2006$

minus$25\mathrm{.}7\%$

minus$58\mathrm{.}1\%$

minus$27\mathrm{.}0\%$

$2007$

$56\mathrm{.}9\%$

$71\mathrm{.}1\%$

$27\mathrm{.}9\%$

$2008$

$6\mathrm{.}7\%$

$17\mathrm{.}3\%$

minus$5\mathrm{.}1\%$

$2009$

$17\mathrm{.}9\%$

$0\mathrm{.}9\%$

minus$11\mathrm{.}3\%$

The Correlation between Stock$$ X$\text{'}$s and Stock$$ Z$\text{'}$s returns is closest$$ to: