Operating cash flow is the cash the business generates from its normal day-to-day operations before investing and financing. It shows how much cash is coming in from customers after paying suppliers and operating costs.
How it relates
Where it fits
Operating cash flow (OCF) measures the actual cash generated from a company's core business activities—selling products, providing services, and managing day-to-day operations. Unlike net income, which includes non-cash items and accrual accounting adjustments, operating cash flow shows the real money flowing into the business from normal operations.
OCF is calculated using the indirect method, starting with net income:
Operating Cash Flow = Net Income + Depreciation & Amortisation + Stock-based Compensation +/- Changes in Working Capital +/- Other Non-cash Adjustments
Working capital changes include accounts receivable, inventory, accounts payable, and other current assets/liabilities. Increasing receivables or inventory uses cash; increasing payables generates cash.
Why operating cash flow matters:
- Reality check on earnings: A company reporting profits while burning operating cash warrants scrutiny
- Self-funding ability: Positive OCF means the business can fund itself without external capital
- Dividend sustainability: OCF must cover dividend payments long-term
- Debt service capacity: Lenders assess OCF relative to interest and principal obligations
OCF vs. Net Income comparisons:
- OCF > Net Income: High-quality earnings; non-cash charges like depreciation exceed non-cash income
- OCF < Net Income: Potential warning sign; investigate receivables buildup, inventory growth, or aggressive revenue recognition
- OCF negative, Net Income positive: Red flag unless clearly explained by seasonal working capital patterns
Common OCF adjustments to understand:
- Depreciation add-back: Non-cash expense reduces income but not cash
- Stock compensation add-back: Expense that doesn't use cash (though dilutes shareholders)
- Deferred revenue changes: Cash collected before revenue is recognised
- Accounts receivable changes: Rising AR means sales not yet collected in cash
Track the OCF-to-net-income ratio over time. A declining ratio may indicate deteriorating earnings quality, even if headline profits look strong. Also compare OCF to capital expenditure needs—a business must generate sufficient OCF to reinvest and maintain competitiveness.