有超卖超卖的金叉死叉提示，信号不漂移。
指标简单，辅助使用效果好。
SJ:=1;
超买:88*SJ,COLORRED;
超卖:12*SJ,COLOR00FF00;
严重超买:100*SJ,COLORRED;
严重超卖:0*SJ,COLOR00FF00;
{REFLINE: 0, 20, 50, 80, 100;}
RSV886:=((CLOSE+O)/2-LLV(LOW,15))/(HHV(HIGH,15)-LLV(LOW,15))*100;
K8886:=SMA(RSV886,5,1);
D8886:=SMA(K8886,3,1),COLORRED,LINETHICK2;
RSV882:=((CLOSE+O)/2-LLV(LOW,80))/(HHV(HIGH,80)-LLV(LOW,80))*100;
K8882:=SMA(RSV882,3,1);
D8882:=SMA(K8882,3,1),COLORMAGENTA,LINETHICK2;
RSV88:=((CLOSE+O)/2-LLV(LOW,34))/(HHV(HIGH,34)-LLV(LOW,34))*100;
K888:=SMA(RSV88,9,1);
D888:SMA(K888,3,1),COLOR0000FF,LINETHICK2;
IF(D888<REF(D888,1)*SJ,D888,DRAWNULL),COLOR00FF00,LINETHICK2;
AA:=CROSS(K8886,K8882);
BB:=CROSS(K8886,K888);
CC:=CROSS(K8882,K888);
YY:=(K8886<20 AND K8882<20 AND K888<20);
DRAWTEXT(FILTER(COUNT(AA OR BB OR CC ,30)>1 AND YY , 30), 8, '金叉'),COLORRED;
DD:=CROSS(K8882,K8886);
EE:=CROSS(K888,K8886);
FF:=CROSS(K888,K8882);
XX:=(K8886>80 AND K8882>80 AND K888>80);
DRAWTEXT(FILTER(COUNT(EE OR DD OR FF ,30)>1, 30) AND XX , 92 ,'死叉'),COLORGREEN;
{分析家公式网 WWW.fxjgsw.com 整理};
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