Regulation & law · 05/11/2009Updated: 10/17/2026 · 1 min read

International Securities Exchange, LLC Files Proposed Rule Change to Clarify Definition of Narrow-Based Index

Summary

International Securities Exchange, LLC has filed a proposed rule change with the SEC to clarify the definition of a narrow-based index, which would take effect immediately.

Original source language: Federal Register — All DocumentsOpen original release →

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