List of largest daily changes in the S&P 500 Index


This is a list of the largest daily changes in the S&P 500 from 1923. Compare to the list of largest daily changes in the Dow Jones Industrial Average.

Largest percentage changes

While the S&P 500 was first introduced in 1923, it was not until 1957 that the stock market index was formally recognized: therefore, some of the following records may not be known by sources.

Largest closing point changes

The two tables below show the largest one-day changes between the previous trading day's close and the close of the given trading day in terms of points.

Largest daily percentage changes each year