Exxon Mobil stock heads into the open after a 3.2 percent drop

At the close on September 21, 2026, Exxon Mobil stock finished at USD 158.30 after falling 3.2 percent, while the S&P 500 gained 1.49 percent. Oil prices declined more than 3 percent.

Exxon Mobil stock closed at USD 158.30 on the NYSE on September 21, 2026, down 3.2 percent from the prior session. The decline contrasted with a 1.49 percent gain for the S&P 500 on the same session.

September 21, 2026 in numbers

Exxon Mobil Corporation (ISIN US30231G1022, NYSE: XOM) fell 3.2 percent on September 21, 2026, to USD 158.30. The S&P 500 gained 1.49 percent, creating a 4.69 percentage point performance gap between the stock and the reference index.

Oil-related pressure coincided with the decline. As Reuters reported on September 21, 2026, US crude fell 4.86 percent to USD 95.43 per barrel and Brent crude fell 3.62 percent to USD 100.11.

Oil markets set the tone today

Oil prices steadied early on September 22, 2026, as markets assessed potential United States and Iran discussions at the United Nations General Assembly. Reuters reported Brent futures up 0.22 percent at USD 100.57 per barrel and the more actively traded November WTI contract up 0.14 percent at USD 92.49.