Ratios are a mathematical comparison of two quantities, for example, the price-earnings ratio used to analyze a stock. Ratios of one firm are often compared across time, with those of a similar company, or with all firms in the industry, i.e. an industry ratio or industry average.
Some major forms of financial ratios are:
For additional information see Financial ratios and statement analysis. (2005). In Blackwell Encyclopedia of Management (2nd ed., pp. 194-198). Malden, MA: Blackwell. Retrieved July 5, 2011, from Gale Virtual Reference Library.
Database for finding company ratios
Databases for finding industry ratios
These databases provide aggregated financial ratios for all companies in an industry. They do not provide ratios for individual companies -- see the tab on this guide for Company Directories and Financials.