What's the difference between single-step and multi-step income statements, and which is better for analysis?
I'm going through CFA Level I Financial Reporting and see references to single-step and multi-step income statement formats. What exactly are the differences, and why would an analyst prefer one over the other? Also, where do non-recurring items show up?
Understanding income statement formats is foundational for CFA Level I analysis. Here's a clear breakdown:
Single-Step Income Statement:
Groups all revenues together and all expenses together, then calculates net income in one step.
Total Revenues $XXX
- Total Expenses ($XXX)
= Net Income $XXXSimple but provides minimal insight into the sources of profitability.
Multi-Step Income Statement:
Provides intermediate profit measures at several levels:
| Line Item | What It Shows |
|---|---|
| Revenue | Top-line sales |
| - COGS | Direct costs of goods/services |
| = Gross Profit | Pricing power and production efficiency |
| - Operating expenses (SG&A, R&D, D&A) | Overhead and operations |
| = Operating Income (EBIT) | Core business profitability |
| +/- Other income/expense, interest | Non-operating items |
| = EBT | Pre-tax profitability |
| - Income tax expense | Tax burden |
| = Net Income | Bottom line |
Example — Birchwood Consumer Products:
| Multi-Step Format | Amount |
|---|---|
| Revenue | $154.0M |
| Cost of Goods Sold | ($86.2M) |
| Gross Profit | $67.8M (44.0% margin) |
| SG&A Expense | ($32.5M) |
| R&D Expense | ($8.1M) |
| Depreciation | ($5.2M) |
| Operating Income | $22.0M (14.3% margin) |
| Interest Expense | ($3.8M) |
| EBT | $18.2M |
| Tax Expense (25%) | ($4.6M) |
| Net Income | $13.7M (8.9% margin) |
Why multi-step is preferred for analysis:
- Gross margin reveals pricing power and cost structure
- Operating margin shows core business performance excluding financing
- Trend analysis is more meaningful — you can see if margin erosion comes from rising COGS or bloating SG&A
- Peer comparison requires operating-level metrics to compare across different capital structures
Where non-recurring items appear:
- Discontinued operations: Below net income from continuing operations (both IFRS and GAAP), net of tax
- Unusual/infrequent items: Within operating or other income sections, with disclosure
- OCI items: In comprehensive income, below net income (unrealized gains, foreign currency translation, pension remeasurements)
Practice identifying income statement components with our CFA Level I materials on AcadiFi.
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