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Wednesday, September 18, 2019

Data Technical News #2019 - 18
UPDATE: Nasdaq Index Files to Begin Populating Two New ICB Subsector Code Fields in the GIFFD CAUFF Files on Monday, January 27, 2020

Markets Impacted:

  • All Markets

Products Impacted:

  • Nasdaq Global Index Flex File Delivery (GIFFD)

Contact Information:

What you need to know:

Updated Wednesday, December 11, 2019:

On Monday, January 27, 2020, the Nasdaq Index Corporate Actions Unified File Format (CAUFF) files delivered through the Global Index FlexFile Delivery (GIFFD) will begin populating two new eight (8) numeric ICB subsector code fields in CAUFF files.

Please note that the Nasdaq Indexes will not be transitioning over to the new ICB methodology until 2020.

In addition, the existing field of “Index Name” will increase its field size in the CAUFF files.

What is being announced?

UPDATE 12/11/2019: Nasdaq will add two new fields at the end of each file showing the new “ICB Subsector Code” changes within its respective Index CAUFF files, effective Monday, January 27, 2020. Nasdaq is taking this proactive approach to give clients a preview of the new “ICB Subsector Code” changes in advance of the indexes switching in 2020. In addition, Nasdaq will be increasing the field length of the “Index Name” field in the CAUFF files.

Which index files will be impacted?

The CAUFF Index files will be impacted; here is an example file name:
YYYYMMDD_INDEXSYMBOL_CAUFF_01.txt

The CAUFF data file types will have two new fields populated called:
“ICB Subsector Code 8” Field Size: Varchar (8) Numeric
“New ICB Subsector Code 8” Field Size: Varchar (8) Numeric

In addition, the “Index Name” field size will increase from Varchar (50) Alphanumeric to Varchar (100) Alphanumeric.

UPDATE 10/10/2019: Note that there will be no changes made to the Global Index Watch website (GIW) or GIW WebServices (API).

Will Nasdaq make sample files available?

UPDATE 12/24/2019: Yes. Clients can view individual sample files in the following location: ftp://emi.nasdaq.com/Index/GIFFD_SFTP/

When will Nasdaq begin switching the actual indexes to the new ICB classification system?

Nasdaq is planning to switch the indexes and methodology throughout 2020. Nasdaq will be sending out a follow-up notification clearly stating the planned switching schedule for each Index family.

Where can I get additional information?

UPDATE 12/24/2019:


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