200-Day Moving Average Line

200-Day Moving Average Line

Is determined by taking the closing price over the past 200 trading days and dividing by 200, then repeating the process each succeeding day, always dropping off the earliest day.

Source: Edwards, Robert and Magee, John.Technical Analysis of Stock Trends 9th Edition; (c) 2007.












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The followig shows a 200 Day Moving Average on the same chart as a 50 Day Moving Average.

50__200_period_simple_averages (1)











Source: Charts created using TradeStation. ©TradeStation Technologies, 2001-2009.  All rights reserved.