Stochastic indicator KDJ is usually a statistical system used for stock analysis. According to the statistical principle, the immature random value RSV of the previous calculation period is calculated by the highest price, lowest price and closing price of the previous calculation period in a specific period (usually 9 days, 9 weeks, etc.). ) and the proportional relationship between them. Then, according to smma method, the K value, D value and J value are calculated, and the stock price trend is judged by drawing.
The 30-minute and 60-minute KDJ indicators are random KDJ indicators with a period of 30 minutes and 60 minutes.
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The Chinese name of KDJ indicator, also known as stochastic indicator, originated from the futures market and was initiated by George Ryan. Stochastics KDJ first appeared in the form of KD index, which was developed on the basis of William index. However, the KD indicator only judges the overbought and oversold phenomenon of stocks, while the KDJ indicator combines the concept of moving average speed to form a more accurate basis for buying and selling signals.
In practice, K-line and D-line cooperate with J-line to form KDJ index. In the design process, KDJ index mainly studies the relationship between the highest price, the lowest price and the closing price, and also integrates some advantages of momentum concept, power index and moving average. Therefore, it can judge the market quickly, quickly and intuitively, and is widely used in the short-term trend analysis of the stock market. It is the most commonly used technical analysis tool for futures and stock markets.
Baidu Encyclopedia -KDJ Index