Ema Ema is the abbreviation of expma, and the difference between ma and Ema lies in: ma is the number of set days; Ema is the value of all days. For example, ma 10 is the moving average that only exists after 10, and ema is the moving average that exists on the first day.

Ma and ema are trend indicators, and the results obtained from the weighted average closing price of stocks are analyzed to judge the future price trend of stocks.