Stock Club Learning
What Is Return on Assets (ROA)?
ROA measures the profit generated from total assets, including assets financed by debt. Looking at both profitability and asset use helps explain a company's efficiency.
ROA formula
ROA = Profit ÷ average total assets × 100
This page uses net-income-based ROA. Average assets normally mean the average of beginning and ending balances. Other definitions use operating or ordinary profit, so align the numerator, period and consolidation scope before comparing sources.
Calculate ROA
Average assets equal the sum of beginning and ending assets divided by two.
Result
5.00%
A simplified calculation. Align periods, consolidation scope and units.
Stock Club Data
Japanese trailing ROA distribution and medians
Price date: 2026-09-11
Trailing ROA median
4.49%
Trailing 12 months; equally weighted
Interquartile range
1.96% – 7.67%
Range containing the middle 50% of stocks
Stocks with valid data
3,747 / 3,959
212 missing or excluded
Stocks with negative values
434
11.6% of valid observations
Trailing ROA distribution
Historical ROA uses net income. Ranges include their lower bound and exclude the upper bound. Negative and zero values are retained.
Median trailing ROA by sector
Sectors with at least 10 valid observations. Compare consistent business models and profit definitions.
Examples from large-cap stocks
Actual data for stocks with valid observations, not a recommendation ranking.
How to interpret ROA
Compare sector peers
Businesses requiring substantial equipment or inventory differ from asset-light firms. There is no universal pass mark.
Review the trend
Separate earnings improvement from asset sales or impairments. A smaller denominator alone can raise ROA.
Interpret a negative value
With positive assets, negative net-income-based ROA indicates a loss. Investigate whether one-off losses explain it.
Consider investment timing
Investment or acquisitions can increase assets before earnings follow. Consider the time needed for returns to emerge.
How ROA relates to ROE and margins
ROA = net margin × asset turnover
Use the same net income, revenue and average assets. Multiply decimal net margin by asset turnover, then by 100 to obtain ROA in percent.
ROE uses equity; ROA uses total assets
With aligned profit and averaging bases, ROE equals ROA multiplied by average assets divided by average equity. If only ROE is high, examine leverage.
Caveats when using ROA
Align profit definitions
Net, ordinary and operating profit treat taxes, interest and exceptional items differently. The name ROA alone does not ensure comparability.
Book values and business models
Asset age, depreciation, goodwill and lease accounting affect the denominator. Review industry and accounting differences.
Historical data is not a forecast
The data here is trailing 12 months (TTM), not a forecast. It does not directly establish future growth or valuation.
Financial-sector comparisons
Assets and liabilities are central to banks' business models, which differ from industrial companies. Compare like-for-like businesses.
How Stock Club calculates and aggregates ROA
- We use trailing-12-month net income divided by average beginning-and-ending total assets.
- When beginning assets are unavailable, the ending balance is used, which can differ from an average-balance calculation.
- Negative and zero ROA are valid observations. Missing data is never replaced by zero.
- The universe comprises active Japanese equities with prices, excluding ETFs and REITs.
- Medians and quartiles are equally weighted across stocks, not market-cap weighted. Sector tables require at least 10 valid observations.
- Representative stocks are selected from the largest market capitalizations with valid data; they are not recommendations.
Data updates as filings and revisions are reflected. Fiscal periods vary across companies. Figures provide reference information for comparison on a consistent basis.
ROA FAQ
What is a good ROA?
There is no universal threshold. Compare sector medians, company history and the stage of asset investment on consistent calculation bases.
How do ROA and ROE differ?
ROA measures profit against total assets, whereas ROE uses equity. Debt can amplify ROE, so reviewing both helps reveal capital-structure effects.
Why can ROA be negative?
Positive assets and negative net income produce negative net-income-based ROA. Distinguish recurring losses from exceptional ones.
Does ROA use ending assets?
Some calculations use average beginning-and-ending assets; others use ending assets. Stock Club uses the average where available and falls back to ending assets if the beginning balance is missing.