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How to apply KDJ, EMA and MACD?
The default parameter of KDJ is 9. As far as my personal experience is concerned, the short-term parameter can be changed to 5, which not only makes the response more agile, rapid and accurate, but also reduces the passivation phenomenon. Commonly used KDJ parameters are 5, 9, 19, 36, 45, 73, etc. In actual combat, different periods should also be comprehensively analyzed, and the short, medium and long trends should be clear at a glance. If * * * vibration occurs in different periods, the reliability of the trend will increase. There are four main points in the actual judgment of KDJ indicators:

1) K line is the quick confirmation line-the value above 90 is overbought, and the value below 10 is oversold;

Line D is a slow trunk line-the value above 80 is overbought and the value below 20 is oversold;

J-line is a direction sensitive line. When the j value is greater than 100, especially for more than 5 consecutive days, the stock price will at least form a short-term head, while when the j value is less than 0, especially for more than several consecutive days, the stock price will at least form a short-term bottom.

2) When the value of k is gradually greater than the value of d, the graph shows that the K line crosses the D line from below, indicating that the current trend is upward, so when the K line crosses the D line graphically, it is a buy signal.

In actual combat, when the K line and the D line cross below 20, the signal of short-term buying is more accurate at this time; If the K value is below 50, the D value crosses from bottom to top twice, forming a "W bottom" shape with the right bottom higher than the left bottom, and the stock price may have a considerable increase in the afternoon.

3) When the value of k is gradually less than the value of d, the graph shows that the K line crosses the D line from above, indicating that the current trend is downward, so when the K line crosses the D line downward on the graph, it is a sell signal.

In actual combat, when the K line and the D line cross downward above 80, the short-term selling signal at this time is more accurate; If the value of K is above 50 and the value of D breaks down from top to bottom twice, forming an "M-head" shape with the right head lower than the left head, the stock price may drop considerably in the afternoon.

4) It is also a practical method to judge the top and bottom of the stock price by the trend of KDJ deviating from the stock price:

A) The stock price has reached a new high, but the KD value has not reached a new high, which belongs to the top deviation and should be sold;

B) the stock price is low, but the KD value is not low, which belongs to the bottom deviation and should be bought;

C) The stock price has not reached a new high, but the KD value has reached a new high, which belongs to the top deviation and should be sold;

D) the stock price is not low, but the KD value is low, which belongs to the bottom deviation and should be bought;

It should be noted that the method of judging the deviation between the top and bottom of KDJ can only be compared with the KD value of the previous wave of high and low points, and can not be compared by jumping over.

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1. When DIF breaks through DEA from bottom to top, a golden cross is formed, that is, white DIF is crossed by yellow DEA. Or the bar line (green bar line) is shortened, which is a buy signal.

2. When DIF breaks through DEA from top to bottom, it forms a dead fork, that is, white DIF wears yellow DEA. Or the bar line (red bar line) is shortened, which is a sell signal.

3. Top deviation: When the stock price index rises wave after wave, and DIF and DEA do not rise synchronously, but fall wave after wave, which forms a top deviation from the stock price trend. It indicates that the stock price is about to fall. If DIF crosses DEA twice from top to bottom at this time, forming two death crosses, the stock price will drop sharply.

4. Bottom deviation: When the stock price index goes down wave by wave, and DIF and DEA do not go down synchronously, but go up wave by wave, which forms a bottom deviation from the stock price trend, indicating that the stock price is about to rise. If DIF crosses DEA twice from bottom to top, forming two golden crosses, the stock price will rise sharply.

MACD indicator is mainly used to judge the long-term upward or downward trend of megatrends. When the stock price is in the market or the index fluctuation is not obvious, the MACD trading signal is not obvious. When the stock price fluctuates greatly in a short period of time, because the MACD moves quite slowly, it will not immediately generate a trading signal to the stock price change.

MACD mainly uses the long-term and short-term smooth moving averages to calculate the difference between them as the basis for judging market transactions. MACD indicator is a trend indicator based on the construction principle of moving average, which smoothes the closing price of the price (calculates the arithmetic average). It mainly consists of positive and negative difference (DIF) and difference average (DEA), in which positive and negative difference is the core and DEA is the auxiliary. DIF is the difference between fast smma (EMA 1) and slow smma (EMA2).

In the existing technical analysis software, the commonly used parameters of MACD are fast smma 12 and slow smma 26. In addition, MACD has an auxiliary indicator bar. In most technical analysis software, columnar lines are colored, green below axis 0 and red above axis 0. The former represents weakness, while the latter represents strength.

Let's talk about the basic principles that should be followed when using MACD indicators:

1. When the DIF and DEA are above the 0 axis, it is a bull market, and when the DIF line crosses the DEA line from bottom to top, it is a buy signal. When the DIF line crosses the DEA line from top to bottom, if the two lines are still running above the 0 axis, it can only be regarded as a short-term decline, and the trend inflection point cannot be determined. Whether to sell or not at this time needs to be judged by combining other indicators.

2. When the DIF and DEA are below the 0 axis, it is a short market. When the DIF line crosses the DEA line from top to bottom, it is a sell signal. When the DIF line crosses the DEA line from bottom to top, if the two lines are still running below the 0-axis, it can only be regarded as a short-term rebound, but the inflection point of the trend cannot be determined. At this time, whether to buy or not needs to be judged by combining other indicators.

3. Columnar line contraction and amplification. Generally speaking, the continuous contraction of columnar lines indicates that the strength of trend operation is gradually weakening. When the color of the column line changes, the trend determines the turning point. However, when using some short-term MACD indicators, this view cannot be fully established.

4. Form and deviation. MACD indicators also emphasize morphology and deviation. When the DIF line and MACD line of MACD indicators form a high bearish pattern, such as head and shoulders, double heads, etc. We should be vigilant; When the morphological MACD indicator DIF line and MACD line form a low bullish pattern, you should consider buying. When judging the shape, DIF line is the main one and MACD line is the auxiliary one. When the price continues to rise and MACD indicators come out one after another, it means that the top deviation appears, indicating that the price may turn around in the near future. When the price continues to fall, but MACD indicators come out one after another, it means that the bottom deviation appears, indicating that the price is about to end the decline and turn to rise.

5. The index of cowhide market will be distorted. When the price does not run from top to bottom or from bottom to top, but keeps running horizontally, we call it cowhide market. At this time, a false signal will be generated in the MACD indicator, and the intersection of the DIF line and the MACD line will be very frequent. At the same time, the retraction of column lines will occur frequently, and the color will often turn from green to red or from red to green. At this point, the MACD indicator is in a distorted state, and its use value will be reduced accordingly.

The curve shape of DIF is used for analysis, mainly using the deviation principle of indicators. Specifically: if the trend of DIF deviates from the trend of stock price, it is time to take concrete action. However, the accuracy of guiding the actual operation according to the above principles is not satisfactory. After practice, exploration and summary, the accuracy is greatly improved by comprehensively using 5-day, 10 moving average, 5-day, 10 moving average and MACD.