通达信抄底就一招指标公式

LC:=REF(CLOSE,1);
S_RSI:MA(MAX(CLOSE-LC,0),17)/MA(ABS(CLOSE-LC),17)*100;
AH:=HHV(S_RSI,3);
AL:=LLV(S_RSI,2);
STO1:=IF(AL=AH,0,100*(S_RSI-AL)/(AH-AL));
SK:MA(STO1,3);
SD:MA(SK,1);
A:80;
B:20;
30,DOTLINE;
70,DOTLINE;