How is the S&P 500 doing today? To answer that question, the top chart presents the performance for the S&P 500 index today. A 5-day and 21-day (there are typically 21 trading days in one calendar month) version are also included for perspective. For the S&P 500’s long-term trend plus seasonality chart, try S&P 500 Chart Today.
The S&P 500 quote and intra-day charts use one minute data (two minute data is used for the 21 trading day chart) and provides prices as long as the New York Stock Exchange is open for trading (i.e. Monday through Friday from 9:30 a.m. to 4:00 p.m. EST). To get the very latest data throughout the day, click the update icon at the top right of the chart.