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How to read a cash flow statement

Cash is much harder to fake than profit — which makes the cash flow statement the most honest of the three. Here's how to read it.

By Nathan Wickham-Hurd · Founder, Oak Growth · Last reviewed June 2026

Why it's the honest one

Of the three financial statements, the cash flow statement is often the most trustworthy — because cash is much harder to massage than accounting profit. It tracks the actual money moving in and out of a business, split into three buckets.

The three sections

The number that matters most

Take operating cash flow, subtract capital expenditure, and you get free cash flow — the genuinely spare cash a business produces. It's the figure Oak Growth forecasts and discounts to estimate intrinsic value, precisely because it's so hard to fake.

The classic warning sign: a company reporting rising profits but flat or falling operating cash flow. When profit and cash diverge for long, trust the cash.

Put this into practice — open the screener →

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