MACD, also known as the moving average of similarities and differences, is developed from the double exponential moving average. Subtract the fast exponential moving average (EMA 12) from the slow exponential moving average (EMA26) to get the fast DIF, and then use 2× (the 9-day weighted moving average DEA of the fast DIF-DIF) to get the MACD column. The meaning of MACD is basically the same as that of double moving averages, that is, the dispersion and aggregation of fast and slow moving averages represent the current long and short state and possible stock price development trend, but it is easier to read. The change of MACD represents the change of market trend, and MACD of different K-line levels represents the current horizontal cycle trading trend.
In application, MACD should first calculate the fast moving average (usually 12 days) and the slow moving average (usually 26 days). These two values are used as the basis to measure the "difference" between the two (fast line and slow line). The so-called "DIF" is the 12 moving average minus the 26-day moving average. So in the continuous upward trend, the 12 moving average is higher than the 26-day moving average. The positive deviation value (+DIF) will be larger and larger. On the contrary, in the downward trend, the deviation value may become negative (-DIF), and the absolute value will become larger and larger. For market reversal, the positive deviation or negative deviation should be reduced to a certain extent, which is indeed a signal of market reversal. The inversion signal of MACD is defined as the 9-day moving average (9-day DIF) of the "deviation value". Add the weight of T+ 1 trading day to the calculation formula of moving average of MACD similarities and differences. Taking the commonly used parameters 12 and 26 as examples, the formula is as follows:
Firstly, the fast moving average (EMA 1) and the slow moving average (EMA2) are calculated, and the deviation value (DIF) between them (fast and slow lines) is calculated based on these two values, and then the DIF n period of smma DEA (also known as MACD, Democratic Party) is calculated.
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