This excerpt taken from the NDAQ 8-K filed Feb 20, 2008.
(iii) Translation exposurenet investments in foreign subsidiaries
The table shows foreign subsidiaries net assets in foreign operations and goodwill denominated in foreign currencies. Translation exposure is hedged in order to reduce the volatility in OMXs key ratios. A sensitivity analysis shows the effect on results in the event of a plus or minus 5% change in the value of SEK.