LC:=REF(CLOSE,1);

RS:=SMA(IF(C>LC,CLOSE-LC,0),14,1)/SMA(IF(C<LC,LC-CLOSE,0),14,1);

RSI:=100-100/(1+RS);

SRSI:=(RSI-LLV(RSI,14))/(HHV(RSI,14)-LLV(RSI,14))*100;

快:SMA(SRSI,3,1),LINETHICK2;

慢:SMA(快,3,1),LINETHICK2;

20,DOT;

80,DOT;

Y:=((快-REF(快,1))*REF(慢,1)-(慢-REF(慢,1))*REF(快,1))/((快-REF(快,1))-(慢-REF(慢,1)));

DRAWICON(CROSS(快,慢) AND Y<20,慢,4);

DRAWICON(CROSS(慢,快) AND Y>80,慢,5);