The closing price for the S&P 500 (GSPC) on December 31, 2014 was $2,058.90. It was down 1.1% for the day (down 1% from previous close). The latest price is $5,571.95.
DATE
OPEN
HIGH
LOW
CLOSE
VOLUME
December 31 2014
$2,082.11
$2,085.58
$2,057.94
$2,058.90
2,606,070,000
Daily pricing data for the S&P 500 dates back to 12/30/1927, and may be incomplete.