MSCI freezes index changes for Turkish equity securities

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MSCI Implements a Freeze on the MSCI Turkey Indexes

October 15, 2026 5:24 PM EDT

NEW YORK--(BUSINESS WIRE)-- MSCI announced that it will apply a freeze on certain index related changes for Turkish equity securities resulting from Index Reviews or corporate events, effective immediately and until further notice.

As part of the MSCI 2026 Market Classification Review, MSCI highlighted serious concerns raised by institutional investors about possible coordinated trading through fund holdings closely affiliated with certain smaller listed companies, which undermines the reliability of free float estimates and market integrity. MSCI noted that it would look for tangible and credible progress, including granular and timely disclosure of beneficial ownership, robust surveillance and... More