Intermarket Surveillance Information System


Also found in: Dictionary, Medical, Encyclopedia, Wikipedia.

Intermarket Surveillance Information System (ISIS)

A database that distributes information from all the major stock exchanges in the United States.

Intermarket Surveillance Information System

A database, compiled by the New York Stock Exchange, containing option and equity information on eight major security exchanges. Published online, its purposes are to increase transparency and reduce violations in trade. Information on price, clearance, and the names of the brokers and institutions involved are all available on the database.

Intermarket Surveillance Information System

A system for storing options and equity trade information from eight national securities exchanges, including the New York Stock Exchange and the National Association of Securities Dealers. Included in the system is information on trades, the places where they occurred, the firms involved, and the brokers making the trades.