可以观察两点：一是黑马线与反切线金叉，基本可以确定上涨趋势确立；二是观察黑马线的变化，每当其站上70以后，基本上一波快牛行情成立。


A1:=3*SMA((C-LLV(L,55))/(HHV(H,55)-LLV(L,55))*100,5,2)-2*SMA((C-LLV(L,55))/(HHV(H,55)-LLV(L,55))*100,5,2);
黑马线:EMA(A1,5),LINETHICK2,COLOR6600FF;
反切线:100-EMA(A1,5),LINETHICK2,color00ff00;
A2:=(黑马线-REF(黑马线,1))/REF(黑马线,1)*100;
A3:=EMA(C,5);
A4:=((C-LLV(L,21))/(HHV(H,21)-LLV(L,21)))*100;
趋势线:(EMA(4*SMA(A4,6,1)-3*SMA(SMA(A4,5,1),5,1),2)),LINETHICK1,COLORYELLOW;
A5:=(HHV(H,60)-C)/(HHV(H,60)-LLV(L,60))*100;
DRAWTEXT(FILTER(REF(黑马线,1)>90 AND A2<0,7),黑马线,'跑'),COLOR00FF00;
DRAWTEXT(CROSS(趋势线,黑马线)AND 黑马线>20 AND  黑马线<A5,黑马线,'黑马');
DRAWTEXT(CROSS(趋势线,0)AND 黑马线<40,5,'大黑马');
底部:(A2<-10 AND A2>REF(A2,1))*25,COLORRED;
机会来临:REF(IF((MA(C,5)-C)/C>0.04 AND (MA(C,10)-MA(C,5))/MA(C,5)>0.04,30,0),1),linethick2,colore66878;
大势已去:IF(CROSS(黑马线,A1)AND 黑马线>70 AND 趋势线>80,90,100),linethick2,colore66878;
50,linethick3,colore66878,POINTDOT;