sandp 500 vs vti 2020

In 2020, VTI returned 20.3% and the S&P 500 (GSPC) returned 15.8%.

DATE the S&P 500 undefined
December 31 2020
$3,756.07
$182.96
December 30 2020
$3,732.04
$182.12
December 29 2020
$3,727.04
$181.64
December 28 2020
$3,735.36
$182.40
December 24 2020
$3,703.06
$181.25
December 23 2020
$3,690.01
$180.95
December 22 2020
$3,687.26
$180.64
December 21 2020
$3,694.92
$180.60
December 18 2020
$3,709.41
$181.13
December 17 2020
$3,722.48
$181.64
December 16 2020
$3,701.17
$180.23
December 15 2020
$3,694.62
$179.97
December 14 2020
$3,647.49
$177.54
December 11 2020
$3,663.46
$178.05
December 10 2020
$3,668.10
$178.36
December 09 2020
$3,672.82
$178.10
December 08 2020
$3,702.25
$179.87
December 07 2020
$3,691.96
$179.09
December 04 2020
$3,699.12
$179.29
December 03 2020
$3,666.72
$177.51
December 02 2020
$3,669.01
$177.16
December 01 2020
$3,662.45
$177.01
November 30 2020
$3,621.63
$174.79
November 27 2020
$3,638.35
$176.17
November 25 2020
$3,629.65
$175.55