Inflation Adjusted S&P 500 Chart
Current Real Price: 2,559.36 +1.72 (0.07%)
4:07 pm EDT, Tue Oct 17
Mean: 493.38
Median: 248.17
Min: 66.43 (Jun 1877)
Max: 2,559.36 (Oct 2017)

Inflation adjusted, constant August 2017 dollars.