通达信大底判断

来函数检测结果如下：
该公式没有未来函数

VAR1:=MA(CLOSE,5);

VAR2:=MA(CLOSE,10);

VAR3:=MA(CLOSE,20);

VAR4:=MA(CLOSE,30);

VAR5:=(VAR1+VAR2+VAR3+VAR4)/4;

VAR7:(VAR5-REF(VAR5,15))/REF(VAR5,15)*100,COLORWHITE;

VAR9:EMA(VAR7,8),COLORGREEN;

反转:IF(VAR9>REF(VAR9,1),1,DRAWNULL),NODRAW,COLORYELLOW;

STICKLINE(VAR9>REF(VAR9,1),VAR7,0,2,0),COLOR006666;

持股:IF(VAR7>REF(VAR7,1),1,DRAWNULL),NODRAW,COLORRED;

STICKLINE(VAR7>REF(VAR7,1),VAR7,VAR9,2,0),COLORMAGENTA;

STICKLINE(VAR9>REF(VAR9,1) AND REF(VAR9,1)<0 AND VAR9>=0,VAR7,0,2,0),COLORRED;

DRAWICON(VAR9>REF(VAR9,1) AND REF(VAR9,1)<0 AND VAR9>=0,0,5);

DRAWICON(CROSS(VAR7,VAR9) AND VAR9>REF(VAR9,1) AND VAR7>REF(VAR7,1),0,13);

0,DOTLINE,COLORWHITE;

原理解析：
VAR1赋值:收盘价的5日简单移动平均
VAR2赋值:收盘价的10日简单移动平均
VAR3赋值:收盘价的20日简单移动平均
VAR4赋值:收盘价的30日简单移动平均
VAR5赋值:(VAR1+VAR2+VAR3+VAR4)/4
输出VAR7:(VAR5-15日前的VAR5)/15日前的VAR5*100,画白色
输出VAR9:VAR7的8日指数移动平均,画绿色
输出反转:IF(VAR9>1日前的VAR9,1,DRAWNULL),NODRAW,画黄色
STICKLINE(VAR9>1日前的VAR9,VAR7,0,2,0),COLOR006666
输出持股:IF(VAR7>1日前的VAR7,1,DRAWNULL),NODRAW,画红色
STICKLINE(VAR7>1日前的VAR7,VAR7,VAR9,2,0),画洋红色
STICKLINE(VAR9>1日前的VAR9 AND 1日前的VAR9<0 AND VAR9>=0,VAR7,0,2,0),画红色
DRAWICON(VAR9>1日前的VAR9 AND 1日前的VAR9<0 AND VAR9>=0,0,5)
DRAWICON(VAR7上穿VAR9 AND VAR9>1日前的VAR9 AND VAR7>1日前的VAR7,0,13)
0,DOTLINE,画白色