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moving average

American

noun

Statistics.

one of a succession of averages of data from a time series, where each average is calculated by successively shifting the interval by the same period of time.

moving average British

noun

statistics (of a sequence of values) a derived sequence of the averages of successive subsequences of a given number of members, often used in time series to even out short-term fluctuations and make a trend clearer

the 3-term moving average of 4, 6, 8, 7, 9, 8 is 6, 7, 8

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of moving average

First recorded in 1910–15

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

moving average

The S&P 500 has moved below its 50-day moving average, presenting a strong buying opportunity, according to Yardeni Research and Fundstrat.

From The Wall Street Journal ● Jul. 24, 2026

On Thursday, the percentage of S&P 500 stocks sitting above their 200-day moving average topped 69% for the first time since late 2024, Dow Jones Market Data showed.

From MarketWatch ● Jul. 17, 2026

Having retested the 43-euro 100-day moving average, Porsche shares have rebounded and may soon test the 50-euro 12-month highs.

From The Wall Street Journal ● Jul. 8, 2026

Gold’s 50-day moving average was $4,474.16 an ounce on Tuesday, slightly above its 200-day moving average of $4,471.53.

From MarketWatch ● Jun. 30, 2026

A few weeks later, the 50-day simple moving average turned higher, reinforcing the improving technical picture.

From Barron's ● Jun. 30, 2026

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023