Triple exponential moving average

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The Triple Exponential Moving Average (TEMA) indicator was introduced in January 1994 by Patrick G. Mulloy, in an article in the Technical Analysis of Stocks & Commodities magazine: "Smoothing Data with Faster Moving Averages"[1][2]

It attempts to remove the inherent lag associated to Moving Averages by placing more weight on recent values. The name suggests this is achieved by applying a triple exponential smoothing which is not the case. The name triple comes from the fact that the value of an EMA (Exponential Moving Average) is triple. To keep it in line with the actual data and to remove the lag the value "EMA of EMA" is subtracted 3 times from the previously tripled ema. Finally "EMA of EMA of EMA" is added.

The formula is:[3][4]

Because EMA(EMA(EMA)) is used in the calculation, TEMA needs 3 × period - 2 samples to start producing values in contrast to the period samples needed by a regular EMA.

The same article also introduced another EMA related indicator: Double exponential moving average (DEMA)


  1. ^ "Subscriber Area!".
  2. ^ "1994 STOCKS & COMMODITIES Volume".
  3. ^ "Double (D-EMA) and Triple Exponential Moving Average (T-EMA)". ETF HQ.
  4. ^ "X_STUDY® Help: Triple Exponential Moving Average (TEMA)".