What Is Free Cash Flow (FCF)
Saying a company 'made a profit' is different from saying 'actual cash that can be spent was left over.' What shows the latter is free cash flow (FCF).
The FCF formula and meaning
Free Cash Flow (FCF) is the cash that remains 'free to spend' after subtracting the investment essential to maintaining and growing the business from the cash a company earned in its core business.
FCF = operating cash flow − capital expenditures (CapEx)
- Operating cash flow: cash actually earned from the core business - Capital expenditures (CapEx): investment needed to maintain the business, such as plants, facilities, and equipment
The difference between these two is FCF. Because it's cash the company kept even after making essential investments, it's close to 'true spare cash.' With this money the company can pay dividends, buy back shares, repay debt, or invest in new growth.
Why it's more honest than accounting profit
Net profit on the income statement mixes in various accounting treatments, so it can differ from actual cash. Non-cash expenses like depreciation, and credit sales, make profit diverge from actual cash flow.
FCF, on the other hand, is calculated based on 'cash that actually moved,' so it's relatively hard to inflate with accounting adjustments. That's why many investors view 'is FCF steadily positive and growing?' as a sign of a good business.
Especially if net profit is positive but FCF is continuously negative, it may mean you should question the quality of the earnings, or that the capital investment burden is heavy. Examining the gap between the two is important.
An early-growth company may have temporarily negative FCF because it spends heavily on CapEx (investment) for the future. In this case you need to distinguish 'why it's negative (because of growth investment, or because the core business isn't working).' Negative FCF isn't always a bad sign.
How to use FCF
FCF is useful when used this way.
① Check whether it's steadily positive over several years, and whether it's growing ② Check whether dividends and buybacks are covered by this FCF (paying out more than FCF becomes unsustainable at some point) ③ If the direction of net profit and FCF diverge greatly, find the reason
FCF is also a core input for business valuation (DCF). The method estimates future FCF and discounts it to present value. That said, future FCF is only an estimate, so FCF isn't a cure-all either. You need to view it in balance with other metrics.
常见问题
Q. If FCF is negative, is it a bad company?
Not necessarily. A fast-growing company may have negative FCF for a while because it invests heavily in plants, research, and infrastructure. What matters is distinguishing whether that negative is due to 'investment for the future' or because the core business can't generate cash.
Q. Are FCF and operating cash flow the same thing?
They're different. Operating cash flow is the cash earned from the core business itself, while FCF is that minus essential capital investment (CapEx). In other words, FCF is a more conservative number than operating cash flow and closer to 'actual spare cash.'
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