Inflation Adjusted S&P 500 Chart
Current Real Price: 2,384.20 -4.57 (-0.19%)
4:12 pm EDT, Fri Apr 28
Mean: 483.17
Median: 245.91
Min: 65.96 (Jun 1877)
Max: 2,384.20 (Apr 2017)

Inflation adjusted, constant March 2017 dollars.