FCF measures: •
Operating cash flow (OCF) • Less expenditures necessary to maintain assets (
capital expenditures or "capex"), but this does not include increase in working capital. • Less interest charges. In symbols: :FCF_t = OCB_t - I_t \, where •
OCBt is the firm's
net operating profit after taxes (NOPAT) during period
t •
It is the firm's investment during period
t including variation of working capital Investment is simply the net increase (decrease) in the firm's capital, from the end of one period to the end of the next period: :I_t = K_t - K_{t-1} \, where
Kt represents the firm's
invested capital at the end of period
t. Increases in non-cash
current assets may, or may not be deducted, depending on whether they are considered to be maintaining the status quo, or to be investments for growth. Unlevered free cash flow (i.e., cash flows before interest payments) is defined as EBITDA − CAPEX − changes in net working capital − taxes. This is the generally accepted definition. If there are mandatory repayments of debt, then some analysts utilize levered free cash flow, which is the same formula above, but less interest and mandatory principal repayments. The unlevered cash flow (UFCF) is usually used as the industry norm, because it allows for easier comparison of different companies’ cash flows. It is also preferred over the levered cash flow when conducting analyses to test the impact of different capital structures on the company. Investment bankers compute free cash flow using the following formulae: FCFF = After tax operating income + Noncash charges (such as D&A) − CAPEX − Working capital expenditures = Free cash flow to firm (FCFF) FCFE = Net income + Noncash charges (such as D&A) − CAPEX − Change in non-cash working capital + Net borrowing =
Free cash flow to equity (FCFE) Or simply: FCFE = FCFF + Net borrowing − Interest*(1−t) Free cash flow can be broken into its expected and unexpected components when evaluating firm performance. This is useful when valuing a firm because there are always unexpected developments in a firm's performance. Being able to factor in unexpected cash flows provides a financial model. :FCF_t = E(FCF_t) + U(FCF_t) \, Where: E(FCF_t)= FCF_t-1 * (FCF_{t-1}/FCF_{t-3})^{1/2} \, ==Uses==