sandp 500 highest closing price in the year 2007 and what date

The highest closing price for the S&P 500 (GSPC) in a year in 2007 was $1,468.36, in 2007. It was up 3.5% for the year. The latest price is $7,722.72.

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