Pink Sheets A daily publication compiled by the National Quotation Bureau with bid and ask prices of over-the-counter (OTC) stocks, including the market makers who trade them. Unlike companies on a stock exchange, companies quoted on the pink sheets system do not need to meet minimum requirements or file with the SEC. Pink sheets also refers to OTC trading. Investopedia Says: The pink sheets got their name because they were actually printed on pink paper. You can tell whether a company trades on the pink sheets because the stock symbol will end in ".PK". Related Terms: Delisting Listed Security Over-The-Counter - OTC Over-The-Counter Bulletin Board - OTCBB Penny Stock Securities and Exchange Commission - SEC Unlisted Security Yellow Sheets |