X_1:=LLV(HIGH,240); 机构做多:=100*(CLOSE-X_1)/X_1,COLORRED,LINETHICK2; X_2:=HHV(HIGH,240); 机构做空:=100*(X_2-CLOSE)/CLOSE,COLORGREEN,LINETHICK2; 选股:crOSS(机构做多,机构做空);