Generally speaking, the system default parameters of KDJ indicators are 9, 3 and 3. From the actual combat experience, this parameter fluctuates frequently and is very sensitive under the daily K line. Among them, there are more signals with more defects. Many investors simply can't react, let alone have time to keep up with the operation.

The parameters are 6, 3, 3: When the frequency of change increases, it is also convenient for people to quickly find buying points and selling points. The parameters are18,3,3: the trading signal is more stable and the index sensitivity is better. Parameters are 24, 3, 3: it is suitable for mid-line investors to choose and can improve the fault tolerance rate. You can choose according to the actual situation.