Borsa Istanbul Credit Transaction Ban: Two Stocks Were Affected

Important Announcement from Borsa İstanbul

Borsa İstanbul has placed a margin trading ban on the shares of MARMR.E and TMPOL.E. This ban will be in effect until November 6, 2025.

Volatility-based Measure System (VBTS)

According to the announcement made via the Public Disclosure Platform (KAP), within the framework of the Volatility-based Measure System (VBTS) implemented in accordance with the decisions of the Capital Markets Board (SPK), these two shares will start trading as of October 7, 2025.

What is the Order Package Measure?

The announcement also stated that an order package measure would be applied for these shares within the VBTS framework. This measure includes the following restrictions:

• Restriction on market orders and limit order entries from the market
• Prohibition of order cancellation, order size reduction, and deterioration of order price
• Restriction on order aggregation information dissemination

In addition to these decisions, the existing short selling and margin trading bans, as well as gross settlement measures, will continue to be implemented.