The U.S. markets experienced a significant relief rally yesterday (March 31, 2026), closing the month on a strong note following reports that the war with Iran may be nearing a conclusion.

​While the markets have been under heavy pressure since the conflict began in late February, investor sentiment shifted rapidly after President Trump suggested a potential de-escalation.

​Market Performance (March 31, 2026)

The major indices posted their largest gains in nearly a year:

​Nasdaq Composite: Surged 3.83% (795.99 points) to close at 21,590.63. $NASDAQ(.IXIC)$  

​S&P 500: Jumped 2.91% (184.8 points) to 6,528.52. $S&P 500(.SPX)$  

​Dow Jones Industrial Average: Earned 2.49% (1,125.37 points) to close at 46,341.51.

​Volatility Index (VIX): The "fear index" plummeted 17.51%, reflecting a sharp cooling of investor anxiety.  $Cboe Volatility Index(VIX)$  

Catalysts for the Rally

​The surge was driven by two primary diplomatic developments:

​U.S. De-escalation Signals: President Trump stated he believes the war will not last "much longer" and suggested U.S. forces could be leaving the region within two to three weeks.

​Iranian Diplomatic Openness: Iranian Foreign Minister Abbas Araghchi indicated that while they are not seeking a simple ceasefire, they are open to a complete end to the war, provided there are guarantees against future aggression.

​Context of the "Relief"

​It is important to note that this is a "relief" rally because the broader market is still recovering from a brutal March. Even with yesterday’s gains:

​The Nasdaq remains in correction territory, down approximately 11% from its recent highs.

​The S&P 500 and Dow are still down roughly 8-9% from their pre-conflict levels.

​Energy Prices: While stocks rose, energy remains a concern; Brent crude is still hovering around $105–$117 per barrel due to the continued (though potentially temporary) closure of the Strait of Hormuz.

​Analysts remain cautious, noting that while the "news-driven" volatility is currently positive, the market will likely require concrete evidence of a signed peace agreement or the official reopening of shipping lanes to sustain these gains.