There are many ways to identify the bottom deviation, such as comparing the time, that is, the lowest value of rsi index rose in the first and second periods, the price fell in the same period, and the low point produced in the process of two dead forks to find the deviation.

Deviation is a method of morphological analysis.

If you want to edit the deviation into a stock selection formula, you need to confirm how you judge the deviation from the standard and convert the judgment method into specific conditions.

For example, in the figure, when the rsi deviates from the marking index, it is judged by the lowest point when the dead fork appears twice, and when the golden fork appears, it means that the deviation has already occurred.

The effect in the picture is that

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The yellow arrow is the difference greater than 10, and the white arrow is the simple ratio.

Parameter n is the result of dividing by 2 in recent days. If it is in the last six days, fill in 3.

n:= 3；

XG 1:LLVRSI 1, n) > reference (LLV(RSI. RSI 1，N)，N- 1)？ And then what? LLV(L，N)& lt； REF(LLV(L，N)，N- 1)；

XG2:LLV(RSI。 References (LLV. RSI 1，N)，N- 1)> 10? And then what? LLV(L，N)& lt； REF(LLV(L，N)，N- 1)；

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This deviation judgment is too simple, and the accuracy has not been measured.