Q. Information about the Pink Sheets?

​

The Pink Sheets is a quotation service for companies that are public but not traded on a major stock exchange. 

For pricing:

• OTC Markets** 9/1/2011+. Closing quotes, trade and security reference data for securities trading on the OTCQX, OTCQB, and OTC Pink Marketplaces.

For financials: 

• Compustat on WRDS
• SEC https://www.sec.gov/edgar.shtml
• Bloomberg
• the pink sheet company's website.