指标自带带提示，操作时候注意仓位控制。
使用时请结合其他技术指标、成交量、大盘走势等多因素进行综合判断。
M1:20,DOTLINE;
P1:80,DOTLINE;
RSV:=(CLOSE-LLV(LOW,5))/(HHV(HIGH,5)-LLV(LOW,5))*100;
FASTK:=SMA(RSV,3,1);
K:=SMA(FASTK,2,1);
D:=SMA(K,5,1);
SJ3:WMA(3*K-2*D,3),COLOR0000FF,LINETHICK2;
ZJ3:WMA(0.714*REF(SJ3,1)+0.286*SJ3,2),COLOR00FF00;
DRAWTEXT(CROSS(SJ3,ZJ3) AND SJ3<M1,SJ3,'←吸'),COLOR00FF00;
DRAWTEXT(CROSS(ZJ3,SJ3) AND SJ3>P1,ZJ3,'←抛'),COLOR0077FF;
