N1:=9;N2:=34;
RSV:=(CLOSE-LLV(LOW,N1))/(HHV(HIGH,N1)-LLV(LOW,N1))*100;
短底:=SMA(RSV,3,1);
RSV1:=(CLOSE-LLV(LOW,N2))/(HHV(HIGH,N2)-LLV(LOW,N2))*100;
中底:SMA(RSV1,5,1);
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寻底:EMA(EMA((CLOSE-LLV(LOW,240))/(HHV(HIGH,240)-LLV(LOW,240))*100,3),3);
大底:IF(SUM(AMOUNT,10)=LLV(SUM(AMOUNT,10),12) AND 短底<20 AND 中底<20 AND 寻底<10,10,0),COLOR9900FF;
DRAWGBK(大底=10),COLOR9900FF;
DRAWTEXT(FILTER(大底=10,9),10,'【大底】'),COLORFFCC00;