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.

While the S&P 500 was first introduced in 1923, it wasn't until 1957 when the stock market index was formally recognized, thus some of the following records may not be known by sources.

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

[3] This table shows the largest intraday point swings since 1967.