Calculate the price-to-cash-flow ratio from stock price and operating cash flow per share to evaluate valuation on a cash-generation basis.
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Equity Valuation
The price-to-cash-flow ratio (P/CF) compares a company's stock price to its operating cash flow per share. It provides a valuation metric less susceptible to accounting manipulation than P/E, because cash flow is harder to distort than earnings.
P/CF shows how much investors pay for each unit of operating cash flow. Lower ratios may indicate undervaluation; higher ratios suggest the market expects cash flow growth.
Cash flow is considered a purer measure of financial performance than earnings because it strips out non-cash items like depreciation, amortisation, and accrual adjustments that can obscure true economic performance.
Divide stock price by operating cash flow per share.
P/CF = Stock Price / Operating Cash Flow Per Share
Operating cash flow per share = Total Operating Cash Flow / Shares Outstanding. Use TTM figures.
A stock trades at 50 with operating cash flow per share of 8. P/CF = 50 / 8 = 6.25×. Investors pay 6.25 for every 1 of operating cash flow.
Does not account for capital expenditure needs (use P/FCF for that). One-time cash inflows or outflows can distort a single period's ratio. Not comparable across industries with different capex intensity.
Frequently asked questions
Generally, P/CF below 10× is considered attractive. However, benchmarks vary by industry — capital-light businesses may trade at higher P/CF than capital-intensive ones.
P/CF is more reliable when earnings are distorted by non-cash charges or aggressive accounting. P/E is more widely used and understood. Use both together for a fuller picture.
P/CF uses operating cash flow (before capex). P/FCF uses free cash flow (after capex). P/FCF is stricter because it accounts for the capital investment needed to maintain operations.
If operating cash flow is negative, P/CF would be negative or undefined. A negative operating cash flow usually indicates the company is burning cash from operations — the P/CF ratio is not meaningful in that case.
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