Seasonal Adjustment

A statistical technique designed to even out periodic swings in statistics or movements in supply and demand related to changing seasons. Seasonal adjustments provide a clearer view of nonseasonal changes in data that would otherwise be overshadowed by the seasonal differences.

Seasonal adjustments are intended to smooth out aberrations in certain types of financial activity. For example, the sales of running shoes bought in the summer exceeds the amount bought in the winter. A seasonal adjustment is therefore made to obtain a clear picture of the general trend.


Investment dictionary. . 2012.

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  • seasonal change/variation — seasonal adjustment/change/variation ► ECONOMICS a change made to figures or other data in order to remove the effect of things that only happen at particular times of year: »Construction employment, which had been surprisingly strong since the… …   Financial and business terms


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