The story
In 2003 the index showed 100 points. In May 2008 it showed 522 points.
Biggest drop in one day
The worst performing days for the OBX Index are:
From Wikipedia’s article on OBX Index, shared under CC BY-SA 4.0.3
Private company
Blue-chip index on the Oslo Stock Exchange
The OBX Index is a stock market index which lists the 25 most liquid companies on the main index of the Oslo Stock Exchange in Norway. All stocks on the OBX list can be traded with options and futures. The companies on the OBX list are rotated twice a year, on the third Friday of June and December.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
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The OBX Index is a stock market index which lists the 25 most liquid companies on the main index of the Oslo Stock Exchange in Norway. All stocks on the OBX list can be traded with options and futures. The companies on the OBX list are rotated twice a year, on the third Friday of June and December.2
In 2003 the index showed 100 points. In May 2008 it showed 522 points.
The worst performing days for the OBX Index are:
From Wikipedia’s article on OBX Index, shared under CC BY-SA 4.0.3
The numbers on this page point here. Each one links to the record it came from.