Transaction Management Rules - Greece - Euronext Securities Athens S.A.

Market Coverage | Greece

Reference

Service level

CBL

Last Updated

20.10.2026

Market Claims 

Overview 

	Internal	External
Detection	Yes	Yes
Processing	No	Yes

Detection

Detection period	20 business days after the record date
Eligible corporate action events	All income and non-income distribution events in cash and securities
Eligible transactions for detection	Internal /External All as of status matched
Detection key dates	Securities in units  Trade date  Ex-date  Record date  Effective settlement date  Securities in nominal  Record date  Intended settlement date  Effective settlement date
Tax status of claims	Gross (default)
Opt-out/Ex/Cum indicator	Internal: No External: Yes

Processing 

Market specifics 

As of 08 December 2025, Euronext Securities Athens has adopted Market Claims for OTC transactions on the Greek market to enhance compliance with the Commission Delegated Regulation (EU) 1229/2018(Settlement Discipline Regulation – SDR) and to align with the European Central Bank (ECB)’s market standards, including T2S.

Under this service, market claims and reverse market claims are created as separate settlement instructions without amending the underlying transaction. These claim instructions are linked to the original transaction and cannot settle before the completion of settlement of the underlying transaction. If the underlying transaction is cancelled before the related claim is settled, the related claim instruction is also cancelled.

For tax purposes, market claims on securities that are eligible for settlement in the books of the Euronext Securities Athens S.A. are treated as a price adjustment of the underlying transaction. The price adjustment corresponds to the gross value of the product resulting from corporate action. In the case of equities, this may result in either a refund of sales tax for a market claim or additional tax due for a reverse market claim.

Transformations 

Overview

	Internal	External
Transformation Cancellation	Yes	Yes
Transformation Reinstruction	Yes	Yes

Detection & Cancellation

Detection period	20 business opening days after the record date
Eligible corporate action events	All income and non-income mandatory reorganisation events in cash and securities
Eligible transactions for detection/cancellation	Internal/External   Status matched, but still pending
Detection key dates	Mandatory reorganisation events without options  Record date  Mandatory reorganisation events with options  Market deadline
Characteristics of re-instructions due to transformations	Transaction condition “TRAN” Status unmatched Same trade date as per underlying instruction Settlement date being the latest date between the payment date of the underlying event and the intended settlement date of the underlying instruction On-hold/release status as per underlying instruction
Opt-out indicator	Supported as additional matching field
Market specifics	Transformations are not generated for: Spot-1, Spot-2 and Stock-X transactions

Buyer protection

Not applicable.

Additional information can be found in CBL Client Handbook. 