K1:=REF(CLOSE,2)[K2:=(REF(CLOSE,1)-REF(CLOSE,2))/REF(CLOSE,2)<-2/100 AND ]
(MIN(CLOSE,OPEN)-LOW)/(HIGH-LOW)>0.667 AND
(MAX(REF(CLOSE,1),REF(OPEN,1))-MIN(REF(CLOSE,1),REF(OPEN,1)))/-MIN(REF(CLOSE,1),REF(OPEN,1))<=1/100;
K3:=CLOSE>OPEN AND CLOSE>REF(OPEN,2) AND CLOSE>MAX(REF(CLOSE,1),REF(OPEN,1));
K1 AND K2 AND K3
单针探底把它定量表示为 下影线占高低价2/3以上,且实体在1/100之间