Inflation Adjusted S&P 500 Chart
Current Real Price: 2,761.89 -12.02 (-0.43%)
2:15 pm EDT, Tue Jun 19
Mean: 507.91
Median: 252.30
Min: 67.37 (Jun 1877)
Max: 2,802.45 (Jan 2018)

Inflation adjusted, constant February 2018 dollars.