s and p 500 values by month 1927

The average closing price for the S&P 500 (GSPC) in 1927 was $17.66. The latest price is $6,754.27.

DATEOPENHIGHLOWCLOSE
December 1927
$17.66
$17.66
$17.66
$17.66
Daily pricing data for the S&P 500 dates back to 12/30/1927, and may be incomplete.