Private company

OMX Helsinki 25

Stock market index

OMX Helsinki 25 (OMXH25, formerly HEX25) is a stock market index for the 25 most traded stocks on the Nasdaq Helsinki stock exchange. It is a price return and capitalization-weighted index. The maximum weight for a single stock is limited to 10 percent.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Mar 4, 1988Founded1
OMX Helsinki 25
Photo: Jashuah, CC BY-SA 3.0, via Wikimedia Commons3

OMX Helsinki 25 (OMXH25, formerly HEX25) is a stock market index for the 25 most traded stocks on the Nasdaq Helsinki stock exchange. It is a price return and capitalization-weighted index. The maximum weight for a single stock is limited to 10 percent.2

Subsidiaries and ownership

Owners

From Wikidata.1

Timeline

  1. Mar 4, 1988Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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