The closing price for the S&P 500 (GSPC) on January 20, 2016 was $1,859.33. It was down 0.9% for the day (down 1.2% from previous close). The latest price is $6,552.51.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
January 20 2016
$1,876.18
$1,876.18
$1,812.29
$1,859.33
6,416,070,000
Daily pricing data for the S&P 500 dates back to 12/30/1927, and may be incomplete.