趋势线的变化明确提示操盘的决策。

A1:=(EMA(((O+H+L+C)/4),3)+EMA(((O+H+L+C)/4),6)+EMA(((O+H+L+C)/4),9))/3;
A2:=(EMA(((O+H+L+C)/4),5)+EMA(((O+H+L+C)/4),10)+EMA(((O+H+L+C)/4),20))/3;
A3:=(EMA(((O+H+L+C)/4),7)+EMA(((O+H+L+C)/4),14)+EMA(((O+H+L+C)/4),28))/3;
A4:=(EMA(((O+H+L+C)/4),9)+EMA(((O+H+L+C)/4),18)+EMA(((O+H+L+C)/4),36))/3;
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A5:=(EMA(((O+H+L+C)/4),11)+EMA(((O+H+L+C)/4),22)+EMA(((O+H+L+C)/4),44))/3;
A6:=(EMA(((O+H+L+C)/4),13)+EMA(((O+H+L+C)/4),26)+EMA(((O+H+L+C)/4),52))/3;
A:=(EMA(((O+H+L+C)/4),21)+EMA(((O+H+L+C)/4),34)+EMA(((O+H+L+C)/4),55))/3;
IF(A1 REF(A1,1),A1,DRAWNULL),COLORYELLOW;
IF(A1 REF(A1,1),A1,DRAWNULL),COLORBLUE;
IF(A2 REF(A2,1),A2,DRAWNULL),COLORYELLOW;
IF(A2 REF(A2,1),A2,DRAWNULL),COLORBLUE;
IF(A3 REF(A3,1),A3,DRAWNULL),COLORYELLOW;
IF(A3 REF(A3,1),A3,DRAWNULL),COLORBLUE;
IF(A4 REF(A4,1),A4,DRAWNULL),COLORYELLOW;
IF(A4 REF(A4,1),A4,DRAWNULL),COLORBLUE;
IF(A5 REF(A5,1),A5,DRAWNULL),COLORYELLOW;
IF(A5 REF(A5,1),A5,DRAWNULL),COLORBLUE;
IF(A6 REF(A6,1),A6,DRAWNULL),COLORYELLOW;
IF(A6 REF(A6,1),A6,DRAWNULL),COLORBLUE;
IF(A REF(A,1),A,DRAWNULL),LINETHICK3,COLORRED;
IF(A REF(A,1),A,DRAWNULL),LINETHICK3,COLORGREEN;