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What is the kdi indicator?
KDJ means: the Chinese name stochastics originated from the futures market.

Generally, it is a statistical system for stock analysis. According to the principle of statistics, through the highest price, lowest price and closing price of the previous calculation period in a specific period (usually 9 days and 9 weeks). ) and the proportional relationship between them,

To calculate the immature random value RSV in the last calculation period, and then calculate the K value, D value and J value according to smma method, and draw a graph to judge the stock trend.

Red and white. The yellow line refers to the daily average of 5 10, 20 and 60 respectively in the daily K-line chart. However, this is not fixed and will change according to different settings. For example, it can also be set as a moving average of 5, 15, 30, 60 in the system.

Extended data:

The calculation of KDJ is complicated. First of all, we have to calculate the RSV value of the period (n days, n weeks, etc. ), that is, the immature random index value, and then calculate the K value, D value, J value, etc. Take the calculation of KDJ value for n days as an example, and its calculation formula is as follows

Rsv for n days = (cn-ln)/(HN-ln) ×100.

In the formula, Cn is the closing price on the nth day; Ln is the lowest price in n days; Hn is the highest price for n days.

Secondly, calculate the values of k and d:

K value of the current day = 2/3× K value of the previous day +65438+ 0/3× RSV of the current day.

D value of current day = 2/3× D value of previous day +65438+ 0/3× K value of current day.

If there is no K value and D value of the previous day, you can use 50 instead.

J value =3* K value of the day -2* D value of the day.

Taking the KD line with a period of 9 days as an example, that is, the immature random value, the calculation formula is

No.9 RSV = (C-L9) ÷ (H9-L9) × 100

In the formula, C is the closing price on the 9th day; L9 is the lowest price in 9 days; H9 is the highest price in 9 days.

Baidu Encyclopedia -KDJ Index