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What does 30-day moving average mean and how is it calculated?

April 26, 2017average calculated mean moving

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What does 30-day moving average mean and how is it calculated?

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A 30-day average for a particular day is the average value of the previous day’s reading and the value recorded for each of the 29 days preceding that day. It is called a moving average because a particular day’s 30-day average is determined by using the 30 days preceding that day. Each day, the newest value is added to the 30-day group of data points and the oldest value is removed.