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English definition of “moving average”

moving average

noun [C]    
an average that is calculated by using the average of several periods of time up to the present . A moving average changes regularly , with the earliest amount being replaced with the amount based on the most recent data : Month-by-month figures are notoriously volatile , whereas a moving average smooths out the effects of the business cycle .a four-week/three-month/10-year, etc. moving average Volumes were heavy , reaching 4.4m shares , compared with the 15-day moving average of 2.6m.
(Definition of moving average noun from the Cambridge Business English Dictionary © Cambridge University Press)
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