PVAR1:=REF((LOW+OPEN+CLOSE+HIGH)/4,1); PVAR2:=SMA(Abs(LOW-PVAR1),13,1)/SMA(MAX(LOW-PVAR1,0),10,1); PVAR3:=EMA(PVAR2,10); PVAR4:=LLV(LOW,33); PVAR5:=EMA(IF(LOW<=PVAR4,PVAR3,0),3); 主力洗盘:IF(PVAR5