A1:=MA(100*(CLOSE-LLV(CLOSE,34))/(HHV(HIGH,34)-LLV(LOW,34)),5)-20;
A2:=100-3*SMA((CLOSE-LLV(LOW,75))/(HHV(HIGH,75)-LLV(LOW,75))*100,20,1)+2*SMA(SMA((CLOSE-LLV(LOW,75))/(HHV(HIGH,75)-LLV(LOW,75))*100,20,1),15,1);
A3:=100-3*SMA((OPEN-LLV(LOW,75))/(HHV(HIGH,75)-LLV(LOW,75))*100,20,1)+2*SMA(SMA((OPEN-LLV(LOW,75))/(HHV(HIGH,75)-LLV(LOW,75))*100,20,1),15,1);
A4:=A2<REF(A3,1) AND VOL>REF(VOL,1) AND CLOSE>REF(CLOSE,1);
预警:A4 AND COUNT(A4,30)=1;
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