S&P 500 · March 31, 2026
A report that the war might end
+2.91%
single-day change vs previous close
What happened that day?
- On 31 March 2026 the S&P 500 rose 2.91% to close at 6,528.52
- An unconfirmed report said Iran's president was open to ending the war given guarantees
- A continuing war means higher oil, higher prices, and therefore no room to cut rates
- So the possibility of peace was good news through several channels at once
- The rally was broad — ten of eleven sectors finished higher
- The quarter itself was still the worst since 2022. One day does not undo that
- In this stretch the index was 9.1% below its peak
Sources
Every figure on this page is recomputed from the original daily closing prices and checked against them at build time. The account of what happened is written from the sources listed above.