Metrics
Free cash flow yield: the valuation measure that is hardest to fake
Why cash beats reported earnings, how free cash flow yield works, and what the gap between profit and cash reveals at Apple, Amazon, Microsoft and Salesforce.
Net income is an opinion; cash is a fact. That old line overstates things — accounting profit follows strict rules — but it captures something real. Earnings depend on judgements about when revenue counts, how fast equipment wears out and what an asset is worth. Cash either arrived in the bank account or it did not. Free cash flow measures what is left after a company has paid to run and maintain its business, and free cash flow yield sets that against the share price. It is one of the four votes in our valuation factor, and the one we would trust most if we could keep only one.
How it is calculated
Free cash flow = cash generated by operations − capital expenditure.
Cash from operations starts with net income and adjusts it for everything that did not involve cash: depreciation is added back, money tied up in inventory and unpaid customer bills is subtracted, stock-based pay is added back. Capital expenditure — spending on buildings, equipment and data centres — is then deducted, because a business cannot keep earning without it. Both figures come straight from the cash-flow statement in the company's filings, over the trailing twelve months.
Free cash flow yield = free cash flow ÷ market value of the shares.
Coca-Cola generated $12.56bn of free cash flow over the past twelve months against a market value of $394.9bn at the 14 October 2026 close — a yield of 3.18%. Think of it as the cash return the business produced on its price, before any decision about dividends or buybacks.
Where profit and cash part ways
The most useful thing about free cash flow is how often it disagrees with net income. Here are the two side by side over the same twelve months:
| Company | Net income | Free cash flow | Why they differ |
|---|---|---|---|
| Apple | $128.93bn | $136.68bn | Cash slightly ahead of profit |
| Nvidia | $192.88bn | $127.01bn | Cash tied up as the business grows |
| Microsoft | $133.75bn | $66.99bn | Heavy spending on data centres |
| Alphabet | $244.21bn | $53.27bn | Heavy capex, plus non-cash investment gains in profit |
| Meta | $68.1bn | $40.98bn | Heavy spending on data centres |
| Amazon | $135.28bn | −$11.62bn | Capital spending larger than operating cash |
| Salesforce | $9.66bn | $15.15bn | Non-cash charges, including stock-based pay |
| Pfizer | $4.33bn | $10.98bn | Large non-cash charges depress profit |
| Super Micro | $2.23bn | −$6.97bn | Cash tied up in inventory and receivables |
| Ford | −$6.08bn | $9.55bn | A loss after non-cash charges, but positive cash |
Three patterns stand out.
The investment cycle. Microsoft, Alphabet, Meta and Amazon all turned far less of their profit into free cash than usual, because they are spending unprecedented sums on computing capacity. Amazon spent more than its operations generated, leaving free cash flow negative. Whether that spending pays off is the central question for these companies, and free cash flow is where you see its cost first. Our big tech comparison puts all five side by side.
Growth eats working capital. A fast-growing hardware company has to build inventory and wait for customers to pay. Super Micro's profit of $2.23bn came with negative free cash flow of $6.97bn, and Nvidia, for all its cash generation, converted noticeably less profit into cash than Apple did.
Non-cash charges cut both ways. Pfizer's amortisation of acquired drug rights and Ford's non-cash charges reduced profit without consuming cash, so their free cash flow is stronger than their earnings suggest. Salesforce's free cash flow benefits from stock-based pay, which is a real cost to shareholders even though no cash leaves the company — it dilutes them instead.
The yields across our coverage
At the 14 October 2026 close the highest free cash flow yields among the companies we cover were General Motors at 20.55% and Ford at 19.46%, followed by Salesforce at 7.8%, Uber at 7.15%, Pfizer at 6.6% and PepsiCo at 5.94%. At the other end, Amazon's was −0.42%, Rivian's −20.33% and Super Micro's −29.66%, while Lucid's −394.31% means it burned roughly four times its own market value in cash over the year.
The largest technology companies sat in a narrow, low band: Apple 2.73%, Nvidia 2.38%, Meta 2.17%, Microsoft 1.69% and Alphabet 1.24%. A low yield on a fast-growing business can be perfectly reasonable — the price is paying for future cash, not today's — but it leaves less room for disappointment.
When free cash flow misleads
- Finance arms. Ford and GM consolidate lenders that make car loans, and the cash flows of a lending business behave like a bank's, not a carmaker's. The companies' own measures of automotive free cash flow are narrower. Treat their 19%-plus yields with real caution; see Ford vs GM for the rest of the picture.
- Lumpy investment. One heavy year of capital spending can make a healthy business look cash-poor, and a pause can make a declining one look generous. A single twelve-month window, which is what we show, cannot tell these apart.
- Stock-based pay. Because it is added back, companies that pay heavily in shares look better on free cash flow than they are. Check the share count over time.
- Acquisitions. Buying another company is not capital expenditure, so a business that grows by acquisition can show strong free cash flow while spending heavily.
How to use it
- Compare it with the dividend yield. A dividend that exceeds free cash flow is being paid from borrowing or savings. Pfizer's 6.6% free cash flow yield only just covers its 5.89% dividend yield, with the dividend taking close to nine-tenths of the cash, and its earnings do not cover it at all — see dividends versus buybacks.
- Compare it with interest rates. A mature company yielding less in free cash flow than a government bond needs growth to justify its price.
- Read it next to the P/E. When cash and earnings tell different stories, believe neither until you know why. The P/E guide covers the earnings side.
- Check capital spending trends in the cash-flow statement, using the routine in how to read a 10-K.
Comparisons that use these companies
Related guides
- Operating margin: why Nvidia keeps 65 cents of each dollar and Ford keeps noneWhat operating margin measures, why it differs so much between business models, and what Coca-Cola, PepsiCo, Nvidia, Intel and the carmakers teach about pricing power.
- Revenue growth vs EPS growth: why they diverge and which to trustHow three-year growth rates are calculated, why earnings can grow ten times faster than sales or shrink while sales rise, and what Salesforce, Meta and Tesla show.
- Dividends vs buybacks: how companies hand cash back, and how to judge itDividend yield, payout ratio and buyback yield explained with real companies, why a high yield can be a warning, and how to tell whether a payout is sustainable.
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