VAR2S:=(2*CLOSE+HIGH+LOW)/4;VAR3S:=IF(YEAR>=2099 AND MONTH>2,0,1);VAR4S:=LLV(LOW,5); VAR5S:=HHV(HIGH,4);:=EMA((VAR2S-VAR4S)/(VAR5S-VAR4S)*100,4)*VAR3S;:=EMA(0.667*REF(散户,1)+0.333*散户,2)*VAR3S;:OSS(散户,庄家) AND 散户<30;