sandp 500 vs voo 2015

In 2015, VOO returned 0.8% and the S&P 500 (GSPC) returned -0.7%.

DATE the S&P 500 undefined
December 31 2015
$2,043.94
$159.72
December 30 2015
$2,063.36
$161.32
December 29 2015
$2,078.36
$162.52
December 28 2015
$2,056.50
$160.72
December 24 2015
$2,060.99
$161.07
December 23 2015
$2,064.29
$161.35
December 22 2015
$2,038.97
$159.44
December 21 2015
$2,021.15
$158.01
December 18 2015
$2,005.55
$156.63
December 17 2015
$2,041.89
$159.59
December 16 2015
$2,073.07
$161.95
December 15 2015
$2,043.41
$159.71
December 14 2015
$2,021.94
$158.06
December 11 2015
$2,012.37
$157.12
December 10 2015
$2,052.23
$160.31
December 09 2015
$2,047.62
$159.95
December 08 2015
$2,063.59
$161.15
December 07 2015
$2,077.07
$162.19
December 04 2015
$2,091.69
$163.22
December 03 2015
$2,049.62
$160.08
December 02 2015
$2,079.51
$162.39
December 01 2015
$2,102.63
$164.12
November 30 2015
$2,080.41
$162.55
November 27 2015
$2,090.11
$163.21
November 25 2015
$2,088.87
$163.05