VAR1:=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);
VAR2:=EMA(VAR1,8);
VAR3:=3*SMA((C-LLV(L,55))/(HHV(H,55)-LLV(L,55))*100,5,1)-2*SMA(SMA((C-LLV(L,55))/(HHV(H,55)-LLV(L,55))*100,5,1),3,1);
趋势:=EMA(VAR3,3)-10;
趋势线:=趋势;
追涨:crOSS(趋势线,VAR2)AND 趋势线>REF(趋势线,1)AND 趋势线<50;