Should You Buy Exxon Mobil Stock For Its Cash?
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Exxon Mobil (XOM) produced free cash flow equal to 6.3% of its market value over the last twelve months, against 4.2% for the median S&P 500 company. A yield that high marks either a business on sale or one that investors expect to earn less, and which side Exxon is on depends on whether its refineries and oil fields keep making that cash once today’s fuel shortage eases. So how steady has Exxon’s cash been?
Exxon Mobil’s Cash Has Swung Widely But Stayed Positive
Exxon’s free cash flow stayed above zero in every twelve-month stretch ending between September 2023 and September 2026, ranging from $18.8 billion to $43.0 billion. Shareholders own a slice of that cash whether the company pays it out or keeps it, just as they own a share of its profit. When investors give that cash its full value, the share price tends to follow, and more so while the cash is growing.
Exxon runs about 3.6 million barrels of crude a day through its refineries, management said on its October 30 call, and it produces oil in the Permian and Guyana. Over the last twelve months, the company put 39.1% of the cash its operations brought in back into capital spending, leaving the rest as free cash.
Little of that cash has to go to lenders first. Exxon ended September with $22.1 billion in net debt, or total debt minus cash, which amounted to 3.2% of its market value. Operating income covered its interest expense 55.6 times over the last twelve months.
Why Investors May Doubt Exxon Mobil’s Latest Cash
Exxon produced $35.5 billion, or most of its twelve-month free cash flow, in its two latest quarters, fiscal Q2 and Q3 2026. Management said that during the third quarter, conflict in the Middle East constrained supplies of crude, diesel and gasoline, which left markets short and prices higher.
Before that, Exxon’s sales had been falling. Revenue fell 4.4% in the twelve months to September 2025, after a 1.8% fall the year before. In the year to September 2025, free cash flow dropped to $23.8 billion from $32.8 billion. Exxon’s price appears to assume that much of the cash it made in 2026 will fade as the shortage eases.
Management credits part of the 2026 gain to its own work, saying earlier investments that raised diesel output added $3.5 billion of margins so far in 2026, and management also counts $16.9 billion of structural cost savings since 2019 on the way to $20 billion by 2030. Exxon’s U.S. Gulf Coast projects, starting at Baytown, are expected to raise output of distillates, such as diesel, by about 100,000 barrels a day.
What Is Still Unknown About Exxon Mobil’s Cash
Management said on its call that it has no clear view of how long fuel markets will stay short. Its best guess was that markets will take until well into 2027 to get closer to normal, and possibly longer.
The debt is the smaller question, since Exxon lowered its net debt by more than $9 billion in the third quarter, management said.
Exxon’s cash has come through past swings with little debt ahead of its owners, but whether the higher cash of 2026 outlasts the shortage is still open. Exxon’s free cash flow in its fourth-quarter report, expected in January 2027, is the number to watch.
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