Inflation Adjusted S&P 500 Chart
Current Real Price: 2,425.55 -4.46 (-0.18%)
4:07 pm EDT, Fri Aug 18
Mean: 488.78
Median: 247.28
Min: 66.28 (Jun 1877)
Max: 2,431.39 (Jul 2017)

Inflation adjusted, constant June 2017 dollars.