OTCBB Glossary - S

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Short Interest

Generally considered to be the total number of shares in a security that have resulted from a "short sale" as that term is defined in Rule 200(a) of SEC Regulation SHO. FINRA members are required to report short interest pursuant to FINRA Rule 4560 (Short-Interest Reporting).


The difference between the price at which a Market Maker is willing to buy a security, called a bid price, and the price at which the Market Maker is willing to sell it, called an ask price. The spread narrows or widens according to the supply and demand for the security being traded.