Interrogation Device is a current Regulation NMS defined term. This guide preserves the rule-specific definition and boundaries instead of replacing it with informal market shorthand.
ReviewedEvidence1 sourceSectionPhrases & Idioms
Quick answer
Regulation NMS defines an interrogation device as a current securities-information retrieval display that returns transaction reports, last-sale data, or quotations on inquiry.
Key details
Canonical FormInterrogation Device
Core MeaningUnder 17 CFR § 242.600, an interrogation device is a securities-information retrieval system able, on inquiry, to display current transaction reports, last-sale data, or quotations on a terminal or other device.
Further guidance
History Boundary
This page reflects the current reviewed 17 CFR § 242.600 definition and should be rechecked if Regulation NMS changes.
Meaning
Under 17 CFR § 242.600, an interrogation device is a securities-information retrieval system able, on inquiry, to display current transaction reports, last-sale data, or quotations on a terminal or other device.
Usage Boundary
The defined term concerns a retrieval/display system and should not be generalized to unrelated questioning or investigative devices.
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
Actionable Indication of Interest is a current federal securities-regulation defined term. This guide preserves the rule-specific definition and boundaries instead of replacing it with informal market shorthand.
Administrative Data is a current Regulation NMS defined term for specified administrative, control, and technical messages in the market-data plan framework.
Affiliate of a Subscriber is a current Regulation ATS defined term. This guide preserves the rule-specific meaning and boundary instead of replacing it with informal market shorthand.
Under current U.S. Regulation NMS definitions, aggregate quotation size is the sum of the quotation sizes of all responsible brokers or dealers communicating bids or offers in an NMS security at the same price. Treat this as a U.S. securities-regulation definition; it should not be generalized to unrelated uses of aggregate size or quotation outside Regulation NMS.
Alternative Trading System is a current federal securities-regulation defined term. This guide preserves the rule-specific definition and boundaries instead of replacing it with informal market shorthand.
Auction Information is a current Regulation NMS term for specified, publicly disseminated exchange data generated leading up to and during securities auctions.
Under Regulation NMS, an automated quotation is a quotation displayed by a trading center that can be acted on through an automated facility meeting specified immediate-or-cancel response and update conditions. Treat this as a U.S. securities-regulation term. The definition is jurisdiction- and rule-specific, not a general dictionary label for every electronic market quote.
