指标含有XMA未来函数，使用前建议沙盘推演，看信号是否飘移。信号仅做参考，谨慎使用。
X_1:=EMA(CLOSE,3);
X_2:=EMA(CLOSE,5);
X_3:=EMA(CLOSE,7);
X_4:=EMA(CLOSE,10);
X_5:=EMA(CLOSE,20);
X_6:=CROSS(X_1,X_2) AND CLOSE OPEN AND CLOSE REF(CLOSE,1) AND CLOSE/REF(CLOSE,1) =1.018 OR CROSS(X_2,X_3) AND CLOSE OPEN AND CLOSE REF(CLOSE,1) AND CLOSE/REF(CLOSE,1) =1.018 OR CROSS(X_2,X_4) AND CLOSE OPEN AND CLOSE REF(CLOSE,1) AND CLOSE/REF(CLOSE,1) =1.018 OR CROSS(X_1,X_3) AND CLOSE OPEN AND CLOSE REF(CLOSE,1) AND CLOSE/REF(CLOSE,1) =1.018 OR CROSS(X_1,X_4) AND CLOSE OPEN AND CLOSE REF(CLOSE,1) AND CLOSE/REF(CLOSE,1) =1.018 OR CROSS(X_2,X_3) AND CLOSE OPEN AND CLOSE REF(CLOSE,1) AND CLOSE/REF(CLOSE,1) =1.018 OR CROSS(X_2,X_5) AND CLOSE OPEN AND CLOSE REF(CLOSE,1) AND CLOSE/REF(CLOSE,1) =1.018 OR CROSS(X_3,X_4) AND CLOSE OPEN AND CLOSE REF(CLOSE,1) AND CLOSE/REF(CLOSE,1) =1.018 OR CROSS(X_2,X_5) AND CLOSE OPEN AND CLOSE REF(CLOSE,1) AND CLOSE/REF(CLOSE,1) =1.018 AND CROSS(X_1,X_5);
X_7:=(20*HIGH+19*REF(HIGH,1)+18*REF(HIGH,2)+17*REF(HIGH,3)+16*REF(HIGH,4)+15*REF(HIGH,5)+14*REF(HIGH,6)+13*REF(HIGH,7)+12*REF(HIGH,8)+11*REF(HIGH,9)+10*REF(HIGH,10)+9*REF(HIGH,11)+8*REF(HIGH,12)+7*REF(HIGH,13)+6*REF(HIGH,14)+5*REF(HIGH,15)+4*REF(HIGH,16)+3*REF(HIGH,17)+2*REF(HIGH,18)+REF(HIGH,20))/210;
X_8:=(20*LOW+19*REF(LOW,1)+18*REF(LOW,2)+17*REF(LOW,3)+16*REF(LOW,4)+15*REF(LOW,5)+14*REF(LOW,6)+13*REF(LOW,7)+12*REF(LOW,8)+11*REF(LOW,9)+10*REF(LOW,10)+9*REF(LOW,11)+8*REF(LOW,12)+7*REF(LOW,13)+6*REF(LOW,14)+5*REF(LOW,15)+4*REF(LOW,16)+3*REF(LOW,17)+2*REF(LOW,18)+REF(LOW,20))/210;
X_9:=EMA(X_7,90);
X_10:=EMA(X_8,90);
X_11:=(20*HIGH+19*REF(HIGH,1)+18*REF(HIGH,2)+17*REF(HIGH,3)+16*REF(HIGH,4)+15*REF(HIGH,5)+14*REF(HIGH,6)+13*REF(HIGH,7)+12*REF(HIGH,8)+11*REF(HIGH,9)+10*REF(HIGH,10)+9*REF(HIGH,11)+8*REF(HIGH,12)+7*REF(HIGH,13)+6*REF(HIGH,14)+5*REF(HIGH,15)+4*REF(HIGH,16)+3*REF(HIGH,17)+2*REF(HIGH,18)+REF(HIGH,20))/210;
X_12:=(20*LOW+19*REF(LOW,1)+18*REF(LOW,2)+17*REF(LOW,3)+16*REF(LOW,4)+15*REF(LOW,5)+14*REF(LOW,6)+13*REF(LOW,7)+12*REF(LOW,8)+11*REF(LOW,9)+10*REF(LOW,10)+9*REF(LOW,11)+8*REF(LOW,12)+7*REF(LOW,13)+6*REF(LOW,14)+5*REF(LOW,15)+4*REF(LOW,16)+3*REF(LOW,17)+2*REF(LOW,18)+REF(LOW,20))/210;
X_13:=X_9-X_10;
X_14:=X_9+X_13*2;
X_15:=X_10-X_13*2;
X_16:=(XMA(XMA(HIGH,25),25)-XMA(XMA(LOW,25),25))*1+XMA(XMA(HIGH,25),25);
X_17:=XMA(XMA(LOW,25),25)-(XMA(XMA(HIGH,25),25)-XMA(XMA(LOW,25),25))*1;
X_18:=X_17 =X_15 AND X_16 =X_14;
X_19:=X_17 =X_15 AND X_16 =X_14;
X_20:=XMA(XMA(LOW,25),25)-(XMA(XMA(HIGH,25),25)-XMA(XMA(LOW,25),25))*1;
X_21:=X_18=1 AND X_20 =REF(X_20,1) AND CLOSE =X_20;
牛股买入点:X_21 AND X_6;
