What is Cash Flow?

Cash flow is money coming in minus money going out. Positive cash flow means you have more coming in than going out. In corporate finance, the SEC requires public companies to publish a statement of cash flows, which categorizes cash movements into operating activities, investing activities, and financing activities. In personal finance, positive cash flow occurs when cash inflows (such as salary and investment income) exceed outflows (such as bills and debt payments), providing capital for wealth building.

Conversely, negative cash flow occurs when expenditures exceed income, resulting in cash depletion or debt accumulation. Analyzing cash flow differs from analyzing profitability, as cash flow tracks the timing of actual cash receipts and payments, which is critical for maintaining solvency and liquid reserves.

For individual consumers, managing cash flow timing is just as critical as managing its net volume. A household can be net positive over a month, yet still experience a cash flow squeeze if major bills (like mortgages and insurance premiums) are due before primary monthly paychecks are deposited. To combat this, individuals can request due-date changes from service providers and lenders to align cash outflows with inflows. In corporate investing, analysts look past net income to evaluate Free Cash Flow (FCF), the cash a company generates after subtracting the capital expenditures (CapEx) required to maintain and expand its asset base. Because FCF represents actual unencumbered cash that can be returned to shareholders (via dividends or stock buybacks) or used to retire debt, it is considered one of the most transparent indicators of a company's financial health.