American financial market providing price and liquidity information for over-the-counter securities
OTC Markets Group, Inc. (previously known as Pink Sheets) is an American financial market providing price and liquidity information for almost 12,400 over-the-counter (OTC) securities. The group has its headquarters in New York City. OTC-traded securities are organized into three markets to inform investors of opportunities and risks: OTCQX, OTCQB and Pink. Wikipedia