Intermarket Surveillance Information System - ISIS


DEFINITION of 'Intermarket Surveillance Information System - ISIS'

A publicly-accessible electronic database in which securities trade information is stored. The Intermarket Surveillance Information System contains data that includes the time of the trade and all participants involved. ISIS allows regulators to audit the trail of securities trades.

BREAKING DOWN 'Intermarket Surveillance Information System - ISIS'

The Intermarket Surveillance Information System was developed in order to counter the possibility of fraudulent trading, since a database open to the public sheds light on trades that may be spurious or based on insider information. Regulators are able to set up alarms that can be tripped if certain transactions occur relating to specific securities, and then audit the transaction trail in order to determine if something is amiss.

  1. Securities Fraud

    A type of serious white-collar crime in which a person or company, ...
  2. Open-Market Transaction

    An order placed by an insider, after all appropriate documentation ...
  3. Insider

    A director or senior officer of a company, as well as any person ...
  4. Insider Information

    A non-public fact regarding the plans or condition of a publicly ...
  5. Broker

    1. An individual or firm that charges a fee or commission for ...
  6. Insider Trading

    The buying or selling of a security by someone who has access ...
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