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# Double Exponential Moving Average (DEMA)

The **Double Exponential Moving Average**, or **DEMA** consists of a single exponential moving average and a double exponential moving average. Its main preference is that it provides a diminished amount of delays than if the two moving averages had been used apart.

The DEMA is calculated via:

(2 * n-day EMA) - (n-day EMA of EMA)

where EMA = exponential moving average

When price crosses the moving average and increases, a continuing uptrend can be predicted. As far as you see, it is possible to use the Double Exponential Moving Average in the same way as the Simple Moving Average or Exponential Moving Average.