Quality of earnings: accruals, cash conversion and red flags

Two companies can report the same net income and be in very different shape. One collects cash for nearly everything it books as profit. The other books sales its customers have not paid for, defers costs into the balance sheet, and leans on one-time gains. Analysts call the difference quality of earnings: how well reported profit reflects cash the business generates, and how likely it is to repeat.

The gap exists because of accrual accounting. GAAP records revenue when it is earned and expenses when they are incurred, not when cash moves. That is the right way to measure a period's performance, but it means profit includes estimates and timing differences, called accruals, that management influences. Accruals reverse over time; cash is harder to fake.

This page builds the main tests on Apple's fiscal 2023–2025 10-K figures: the cash-conversion ratio, two versions of the accrual ratio, the effect of a single large tax charge, and the revenue and working-capital checks. It ends with a checklist you can run on any company.

Where accruals come from

Net income and cash from operations (CFO) start from the same sales and costs and differ by the accruals. The indirect-method cash flow statement shows the bridge: start with net income, add back non-cash expenses such as depreciation and stock-based compensation, then adjust for changes in working capital. The Cash flow statement: operating, investing and financing explained page walks through Apple's version line by line.

Positive accruals mean profit ran ahead of cash: customers owe more, inventory piled up, or costs were capitalized. Negative accruals mean cash ran ahead of profit: suppliers were paid later, or customers paid in advance. Neither is bad in itself. Large, persistent positive accruals are the classic warning sign, because they eventually reverse into lower earnings.

Test 1: cash conversion (CFO ÷ net income)

A mature, profitable company usually converts at around 1.0 or above, because depreciation and stock compensation are added back. A ratio that stays well below 1.0 for several years, while net income grows, is the pattern to investigate. Look at three to five years: any one year can be distorted by timing.

Why fiscal 2024 looks flattered

Fiscal 2024 has the best ratio of the three, and the reason is a charge, not strength. In the fourth quarter of fiscal 2024 Apple recorded a one-time $10.2 billion income tax charge after the European Court of Justice upheld the 2016 State Aid decision. The charge cut net income, but the cash had not left: the 10-K says it represented $15.8 billion payable to Ireland via release of amounts held in escrow. An expense that has not been paid yet shows up as an increase in a liability, so it is added back in the CFO bridge. Fiscal 2024's "other current and non-current liabilities" line contributed +$15,552 million to CFO.

The reversal came the next year. In fiscal 2025 the same line subtracted $11,076 million, income taxes payable fell from $26,601 million to $13,016 million, and the supplemental disclosure shows cash paid for income taxes of $43,369 million against a tax provision of $20,719 million, a gap of $22.65 billion. (Cash taxes also include other payments, such as the deemed repatriation tax from the 2017 Tax Cuts and Jobs Act, of which $8.8 billion was still payable within twelve months at year-end.)

The lesson: a one-time charge that is accrued and paid later raises cash conversion in the year it is booked and lowers it in the year it is paid. Averaging the two years gives a truer picture: Apple's combined fiscal 2024–2025 CFO of $229,736 million against net income of $205,746 million is a ratio of 1.12, close to fiscal 2023's 1.14.

Test 2: the accrual ratio

Cash conversion compares two numbers that both grow with the company. The accrual ratio scales the gap by the size of the balance sheet, so companies of different sizes can be compared. It traces to Richard Sloan's 1996 study in The Accounting Review, which found that companies with high accruals tended to have lower future earnings and that their stocks, on average, did worse in the years that followed. Researchers have debated how strong that "accrual anomaly" remains since it was published; treat the ratio as a diagnostic, not a trading signal.

Sloan built accruals from balance-sheet changes. Most analysts now use the cash-flow statement instead, which is simpler and avoids distortions from acquisitions. Two common versions:

The broad version also treats investing as accruals: money spent on capital assets is a cost that GAAP spreads over future years rather than expensing now.

Same company, same year: +0.1%, −4.1% or +4.1%, depending on definition. The broad ratio as reported is distorted by Apple's large investment portfolio, which a mechanical screen would miss. The version excluding securities says Apple's capital spending exceeded the cash it generated beyond profit by about 4% of assets, an ordinary level for a company with $12.7 billion of capex and $11.7 billion of depreciation and amortization. The operating ratio is the cleanest reading of earnings quality, and at 0.1% Apple's fiscal 2025 profit and cash from operations were almost identical.

For fiscal 2024 the operating gap was $93,736M − $118,254M = −$24,518M: cash far ahead of profit, for the tax reason above. A negative accrual that comes from an unpaid charge is not a sign of high quality; it is a timing difference that reversed the next year.

Test 3: what is in the profit

Even cash-backed earnings can be low quality if they will not repeat. Go through the income statement and notes for items that are unlikely to recur:

• One-time tax items. Apple's fiscal 2024 State Aid charge, or tax benefits from releasing valuation allowances. Apple's fiscal 2025 effective tax rate was 15.6% against 24.1% in fiscal 2024; most of the difference was that charge.
• Gains on asset sales, litigation settlements, insurance recoveries.
• Non-operating income. Apple's "other income/(expense), net" was −$321 million in fiscal 2025, negligible beside $133,050 million of operating income. At some companies investment gains are a large part of pre-tax profit.
• Unusually low expenses. A sudden drop in bad-debt reserves, warranty accruals or R&D as a share of sales can lift a year's margin.

The GAAP vs non-GAAP earnings: how adjusted numbers are built page covers how companies present such items in adjusted figures.

Test 4: revenue quality

Revenue is the biggest number on the income statement and the one with the most judgment in its timing (see Revenue recognition: the ASC 606 five steps, with Apple’s numbers). Two balance-sheet lines tell you whether it is being pulled forward or pushed back.

Receivables against sales. If accounts receivable grow much faster than revenue, the company may be booking sales it has not collected, or loosening credit terms. Apple's trade receivables rose from $33,410 million to $39,777 million in fiscal 2025, +19.1%, while net sales grew 6.4% to $416,161 million. Days sales outstanding were still only about 35 days. One year of faster receivables growth is not a red flag on its own (the timing of a September-quarter launch can shift it), but it is the kind of divergence to follow into the next filings.

Deferred revenue. Cash a company has collected but not yet earned, such as Apple's service subscriptions and the unearned parts of device sales, sits in deferred revenue. Apple's total deferred revenue rose from $12.8 billion to $13.7 billion, and $8,229 million of fiscal 2025 net sales came out of the balance at the start of the year. The 10-K says Apple expects 66% of deferred revenue to be recognized within a year. A growing balance means cash is arriving ahead of revenue, a sign of quality; a shrinking balance while revenue keeps rising can mean the company is drawing down a cushion.

Inventory is the third check. Apple's inventories fell from $7,286 million to $5,718 million while sales rose, so no build-up there.

A red-flag checklist

Stock-based compensation deserves a line of its own. It is a real expense that is added back to CFO because it is paid in shares, not cash, so it lifts cash conversion. Apple's $12,863 million of stock compensation was 11.5% of net income in fiscal 2025. At companies where stock pay is a third or more of net income, CFO can look much healthier than the economics; compare free cash flow after subtracting stock compensation (Apple: $98,767M − $12,863M = $85,904M).

How quality measures compare

How Finabase does it

The Financials tab has the pieces: Net Income in the income statement card and operating cash flow, share-based compensation, capital expenditure and D&A in the cash flow card, with receivables, inventory and deferred revenue on the balance sheet. Use the Annual toggle and click a row to chart its history; charting net income and operating cash flow over several years is the cash-conversion test above. Finabase does not compute an accrual ratio, so do the arithmetic from those rows.

The Valuation tab shows a Piotroski F-Score, whose nine tests include whether cash from operations exceeds net income, and an Altman Z-Score gauge, both from the data provider.

Frequently asked questions

What does quality of earnings mean?

It is how well a company's reported profit reflects cash it actually generates and how likely that profit is to repeat. High-quality earnings are backed by operating cash flow and come from the ongoing business, not from one-off gains or accounting estimates.

What is a good cash-flow-to-net-income ratio?

Around 1.0 or higher, sustained over several years, is the usual rule of thumb for a mature profitable company. Apple's fiscal 2023–2025 ratios were 1.14, 1.26 and 1.00. Always check whether a single year is distorted by a timing item, as Apple's fiscal 2024 was.

What is the Sloan accrual ratio?

It scales accruals, the difference between net income and cash flow, by total assets. Richard Sloan's 1996 research found high-accrual companies tended to have weaker future earnings. Today it is usually computed as (net income − CFO − CFI) ÷ average total assets, or with CFO only.

Can a company have high cash flow but low-quality earnings?

Yes. Cash flow can be lifted by delaying payments to suppliers, collecting from customers early, adding back large stock compensation, or accruing a charge that will be paid later, as Apple's fiscal 2024 tax charge shows.

Summary

Quality of earnings asks whether profit is backed by cash and likely to repeat. Start with cash from operations divided by net income over several years (Apple: 1.14, 1.26, 1.00), then scale the gap by assets with an accrual ratio, being explicit about the definition: Apple's fiscal 2025 operating accrual ratio was 0.1%, but the broad version reads −4.1% or +4.1% depending on how its securities portfolio is treated. Look for timing items such as Apple's $10.2 billion tax charge, expensed in fiscal 2024 and paid in fiscal 2025, check receivables, inventory and deferred revenue against sales, and run the red-flag checklist before trusting a trend in reported earnings.