Private company

OMX Stockholm 30

Blue chip stock market index

The OMX Stockholm 30 (OMXS30) is a stock market index for the 30 largest and most traded stocks on the Nasdaq Stockholm stock exchange. It is a price return and modified free float capitalization-weighted index. The OMXS30 index started on 30 September 1986 with a base value of 125 and it is reconstituted and rebalanced semi-annually on the first trading day in January and July.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Sep 30, 1986Founded1
  • Industryinvestment1
  • HeadquartersStockholm, Sweden1
  • Listed onNasdaq Stockholm AB1
  • Kind of organizationStock market index1
OMXS30 index 1986-2024 log scale
Photo: Wkpd0123, CC BY-SA 4.0, via Wikimedia Commons3

The OMX Stockholm 30 (OMXS30) is a stock market index for the 30 largest and most traded stocks on the Nasdaq Stockholm stock exchange. It is a price return and modified free float capitalization-weighted index.2

Timeline

  1. Sep 30, 1986Founded Founded1

Sources

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

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