Exchange-Traded Security is a current Regulation NMS defined term. This guide preserves the specific U.S. securities-rule scope instead of substituting an ordinary-language meaning.
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Quick answer
Under Regulation NMS, an exchange-traded security is an NMS security or class of NMS securities listed and registered, or admitted to unlisted trading privileges, on a national securities exchange, subject to the definition’s stated exclusion.
Key details
Canonical FormExchange-Traded Security
Core MeaningUnder Regulation NMS, an exchange-traded security is an NMS security or class of NMS securities listed and registered, or admitted to unlisted trading privileges, on a national securities exchange, subject to the definition’s stated exclusion.
Further guidance
History Boundary
This page reflects the current reviewed 17 CFR § 242.600 definition and should be rechecked if Regulation NMS is amended.
Meaning
Section 242.600 defines the term by exchange listing/registration or admission to unlisted trading privileges and includes an exclusion for specified securities not listed on any national securities exchange.
Usage Boundary
Preserve the rule-specific listing and exclusion conditions; this is not a generic synonym for any security that happens to trade electronically.
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.
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