To use the pricing data, company identifiers are used. Tickers can cause problems as they can be reassigned or changed. CUSIPs are preferred as they do not change.
Please see Company Identifier tab for clarification of working with different data vendors company identifiers.
This section has sources related to the equity market
Short interest data comes from several sources depending on the market and the time period.
- Use WRDS for data on the NYSE from 1/05-7/07.