Cash Flow Analysis
Learn how to analyse operating, investing and financing cash flows, free cash flow, and earnings quality. Includes diagrams, checklist and FAQs.
Why Cash Flow Is More Reliable Than Earnings
Cash flow analysis is the ultimate reality check on corporate health. Earnings can be manipulated through accounting choices — depreciation methods, revenue recognition timing, one-time charges, and accruals. Cash flow cannot be faked: either cash came in or it did not. Free cash flow (operating cash flow minus capital expenditures) represents the actual money available to pay dividends, buy back shares, reduce debt, or invest in growth. For CFD and stock traders, a company with strong and growing free cash flow is significantly less likely to experience a negative earnings surprise or financial distress. Conversely, a company reporting rising earnings but declining cash flow is a major red flag — the earnings quality is poor and the divergence usually corrects painfully.
Practical Example
A technology company reports $4.2 billion in net income but only $1.8 billion in free cash flow. The gap is caused by aggressive revenue recognition (booking multi-year contracts as current revenue) and rising capital expenditure. Traders who only look at the earnings number see a healthy company. Traders who analyse cash flow see that the company is spending far more than it earns in actual cash — a warning that the headline earnings overstate the true financial position.
Table of contents
Why cash flow matters
Profit can be influenced by accounting choices. Cash is harder to fake over long periods.
Cash flow analysis helps you assess:
- Survival (liquidity)
- Flexibility (ability to invest or return cash)
- Earnings quality (profit vs cash conversion)
Two-panel market map (cash flow statement + FCF)
Panel 1 shows the structure of the cash flow statement. Panel 2 defines free cash flow (FCF), a key metric for valuation and debt capacity.
Core checks for earnings quality
Use these checks:
- Operating cash flow trending with operating profit
- Working capital movements (receivables/inventory/payables)
- Capex intensity and maintenance vs growth capex
- Cash conversion ratio (FCF ÷ earnings)
A company can report strong profits while burning cash if working capital and capex are heavy.
Red flags to watch
- Persistent gap between profit and operating cash flow
- Rising receivables (sales booked but not collected)
- Inventory build without demand evidence
- “Capitalised costs” rising while cash generation weakens
- Debt increasing while free cash flow stays negative
Common mistakes
- Using EBITDA as a substitute for cash.
- Ignoring capex and working capital.
- Treating one quarter of cash burn as “temporary” without evidence.
- Not checking liquidity runway and covenants.
FAQ
What is free cash flow?
A common definition is operating cash flow minus capital expenditure. It approximates the cash available to investors after keeping the business running.
Why can profits rise while cash falls?
Working capital can absorb cash (receivables/inventory), capex can increase, or earnings can include non-cash items.
Is negative free cash flow always bad?
Not always. It can be normal during high-return growth investment, but it increases reliance on funding and should have a clear payoff.
Summary
- Corporate analysis focuses on revenue, margins, cash flow, and balance sheet strength.
- Compare results to expectations (guidance, forecasts, and surprises) to gauge sentiment.
- Use valuation models as a framework and manage risk around earnings volatility.
Last updated: 2025-12-28 (UK time).