:= 3*SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100,5,1)-2*SMA(SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100,5,1),3,1);警戒:=10,COLORRED,LINETHICK2;底1:=OSS(股价趋势,底部警戒);A1:=(2*CLOSE+HIGH+LOW)/4;A2:=LLV(LOW,27);A3:=HHV(HIGH,27);A4:=EMA((A1-A2)/(A3-A2)*100,13);A5:=EMA(0.618*REF(A4,1)+0.382*A4,3);底2:=CROSS(A4,A5) AND A4<16;波底:底1 AND 底2;