X_1:=crOSS(HIGH,SAR(3,1,20));
X_2:=CROSS(sar(3,1,20),LOW);
X_3:=BARSLAST(X_1)+1;
X_4:=(-100)*(HHV(HIGH,14)-CLOSE)/(HHV(HIGH,14)-LLV(LOW,14));
X_5:=EMA((-100)*(HHV(HIGH,34)-CLOSE)/(HHV(HIGH,34)-LLV(LOW,34)),4);
X_6:=X_4+100;
X_7:=X_5+100;
X_8:=CROSS(X_6,X_7);
X_9:=BETWEEN((CLOSE-REF(CLOSE,27))/REF(CLOSE,27),(-0.37),(-0.17));
X_10:=BETWEEN((CLOSE-REF(CLOSE,60))/REF(CLOSE,60),(-0.65),(-0.2));
波段底:CLOSE>OPEN AND vol/REF(VOL,1)>1.8 AND X_7<20 AND (CROSS(X_6,X_7) OR BARSLAST(CROSS(X_6,X_7))=1) AND (X_9 OR X_10),COLORYELLOW;