exponential smoothing Moving Average（Moving AverageConvergence and Divergence，abbreviationMACD）Because the moving average is regarded asBackwardness indexIt is developed to solve the problem that once the price has broken away from the average and the difference has expanded, the average has failed to respond immediately,EXPMAIt can reduce similar shortcomings.
EXPMA (Exponential Moving Average) translates the index smooth moving average, which is developed in response to the lack of moving average as a backward indicator. In order to solve the problem that once the price has broken away from the average and the average has not responded immediately, EXPMA can reduce similar shortcomings.
In general, many investorsKDJ indexandMACD indicatorAs an important instruction for buying and selling, whenMarketOr individual stockKDJ indexandMACD indicatorThey usually sell after they form a dead fork at a high position.However, because the main force of the market often operates in the opposite direction, it often leads to "top top" and "bottom bottom" situations, so this indicator often fails.
According to the above phenomenon, many investors use the moving average as the main basis for buying and selling stocks, which means that the monthly line indicators (i.e., 5-day, 10 day and 20 day moving averages) are formedMultiple Arrangement They usually buy.On the contrary, the monthly line indicators are formedshort order They usually sell.However, as the main force of the market often carries out anti technology operations, deliberately breaking the share price one after another to break through the above average, this will make many people lose their chips.
To sum up, in order to overcome the above shortcomings, we hereby introduceEXPMA indexThe main advantage of this indicator is that it has learned from the moving average, and has the KDJ indicator and MACD indicator“kdj "And" dead cross ". Therefore, this indicator has a high success rate andaccuracy, which provides a good point for the bottom hunting and top escaping of individual stocks, and is a good helper for investors to make decisions in the short and medium term.[2]
Calculation formula
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Calculate the smooth moving average of the index of X on day N, which is generally expressed in the stock formula as:EMA(X, N), where X is the current dayClosing price, N is the number of days.Its real formula expression is: index of the dayaverage value=Smoothing coefficient*(index value of the day - average index value of yesterday)+average index value of yesterday;Smoothing coefficient=2/(cycle unit+1);From the above formula, we can get: EMA (N)=2 * X/(N+1)+(N-1) * EMA (N-1)/(N+1);
Research and judgment standard
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1. The EXPMA indicator is composed of EXPMA1 (white line) and EXPMA2 (yellow line). When the white line crosses the yellow line from bottom to top, the stock price usually rises continuously afterwards, so the day when these two lines form a golden fork is a good opportunity to buy.
2. When the stock price of an individual stock is far away from the white line, the stock price will soon fall back, and then move up along the white line. It can be seen that the white line is a bigSupport point。
3. In the same way, when the white line breaks through the yellow line from top to bottom, the stock price has often changed its trend and will fall down in the future, so the day when the two lines cross is the time to sell.[2]
Market significance
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1. This indicator is generally mediumShort term stock selectionThe index is more consistent with the investors mainly in the short and medium term, according to which signal buyers have profit opportunities, but for the investors in the middle line, its reference significance seems to be greater, mainly because the index is stable,VolatilitySmall.
2. If the white line and yellow line are always kept away from the ground, it means that the stockAftermarketIt will continue to be bullish. Every time the stock price falls back to the white line, as long as the yellow line is not broken down, this decline is a good time to buy.[2]
