其实是股市一根筋的优化，加进了20日线的指标！ 好的指标不在于复杂的线势变化，只要找到适合自己的一根或者两根趋势线，并且按照这根线所提示的入和出的信号把一只股票做到极致是完全可以的！
DRAWTEXT_FIX(ISLASTBAR,0,0,0,'滔滔江水,吾只独饮一瓢亦!'),COLORYELLOW;
{高抛低吸}
A:=(L+H+C*2)/4;
MA5:=EMA(A,5),COLORWHITE,LINETHICK1,DOTLINE;
MA10:EMA(A,10),COLORBLUE,LINETHICK1,DOTLINE;
MA20:MA(CLOSE,20),COLORMAGENTA,LINETHICK1,DOTLINE;
A2:=EMA(A,20),COLORLIBLUE,LINETHICK1;
A1X:=(MA5-REF(MA5,1))/REF(MA5,1)*100,NODRAW;
A2X:=(A2-REF(A2,1))/REF(A2,1)*100,NODRAW;
IF(MA20/REF(MA20,1)>=1,MA20,DRAWNULL),COLOR008888,LINETHICK1;
IF(MA20/REF(MA20,1)<1,MA20,DRAWNULL),COLORFF9150,LINETHICK1,DOTLINE;
买入持股:IF(A1X>=0,MA10,DRAWNULL),COLORRED,LINETHICK1;
卖出空仓:IF(A1X<0 AND A2X<0,MA10,DRAWNULL),COLORGREEN,LINETHICK1,DOTLINE;
看多:=IF(A1X>=0 AND BARSLAST(CROSS(A1X,0))>0,REF((C+O)/2,BARSLAST(CROSS(A1X,0))),DRAWNULL),COLORMAGENTA,LINETHICK1,DOTLINE;
逃顶:=IF(A1X<0 AND BARSLAST(CROSS(0,A1X))>0,REF((C+O)/2,BARSLAST(CROSS(0,A1X))),DRAWNULL),COLORBLUE,LINETHICK1,DOTLINE;
{DRAWTEXT(CURRBARSCOUNT=1,MA5,'__5日均线'),COLORWHITE;
DRAWTEXT(CURRBARSCOUNT=1,MA13,'__13日均线'),COLORBLUE;
DRAWTEXT(CURRBARSCOUNT=1,MA24,'__24日均线'),COLORGREEN;}
DRAWICON(CROSS(MA10,MA20),MA10,23);
DRAWICON((A1X>=0 && REF(A1X,1)<0),MA10,16);{首发}
DRAWICON((A2X>=0 && REF(A2X,1)<0),MA20,17);{二发}
DRAWTEXT(CROSS(MA10,MA20),MA10,'__金叉'),COLORMAGENTA;
DRAWICON((A1X<0 && REF(A1X,1)>=0),MA10,2);
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