原理：至少跌出一定空间才会转阳向
同理：涨出一定利润就是有人收获出局
谢谢各位支持，牛市勿用，会错过好股
{通达信天气预报副图/选股指标}
VAR1:=(CLOSE-LLV(LOW,20))/(HHV(HIGH,20)-LLV(LOW,20))*100;
VAR2:=SMA(VAR1,3,1);
VAR3:=SMA(VAR2,3,1);
VAR4:=3*VAR2-2*VAR3;
VAR5:=CROSS(VAR2,VAR3) AND VAR3<20;
VAR6:=CROSS(VAR3,VAR2) AND VAR3>80;
VAR7:=CROSS(VAR2,VAR3) AND VAR3>50 AND VAR3<80;
VAR8:=CROSS(VAR3,VAR2) AND VAR3>20 AND VAR3<50;
STICKLINE(VAR5,0,30,8,0),COLORRED;
STICKLINE(VAR6,70,100,8,0),COLORGREEN;
STICKLINE(VAR7,30,70,8,0),COLORYELLOW;
STICKLINE(VAR8,30,70,8,0),COLORBLUE;
DRAWTEXT(VAR5,15,'晴'),COLORRED;
DRAWTEXT(VAR6,85,'雨'),COLORGREEN;
DRAWTEXT(VAR7,50,'多云'),COLORYELLOW;
DRAWTEXT(VAR8,50,'阴'),COLORBLUE;
