EBIT is Earnings Before Interest and Taxes. It is an indicator of a company's profitability. It can be used to compare the profit of companies in different tax environments.
EBIT = Revenue - Operating Expenses (OPEX)
EBIT = Net Income + Interest + Taxes
EBIT is usually calculated from the bottom up. A similar measure is Operating Earnings.
EBITDA is Earnings Before Interest, Taxes, Depreciation and Amortization. It is a measure of a company's financial performance. It is used in various Valuation Ratios
EBITDA = Net Profit + Interest + Taxes + Depreciation + Amortization
Enterprise value is the total cost to acquire the entire company.
Enterprise value = Market Cap + Preferred Equity + Non-Controlling interests + Total debt - Cash and equivalents
It's a better measure than Market Cap to use when trying to determine Value because it include things that must be taken on by a purchaser like debt.
Market capitaliztion is the total value of the company's equity.
Market Cap = Share price x Total outstanding shares
OIBDP is Operating Income Before Depreciation. Similar to and can be used instead of EBITDA and/or Operating Earnings. It differs from Operating Earnings by including Depreciation and Amortization.
OIBDP = Revenue - COGS - Selling, general and administration costs
Similar to EBIT. Operating Earnings calculates the earnings of a company adjusting for it's capital structure. It's a non-GAAP measure and can be calculate slightly different depending on your requirements. But in general is:
Operating Earnings = Revenue - COGS - Selling, general and administration costs - Depreciation and Amortization