上影涨停选股指标 (源码)

上影:=IF(CLOSE>OPEN,HIGH-CLOSE,HIGH-OPEN);
下影:=IF(CLOSE>OPEN,OPEN-LOW,CLOSE-LOW);
长上影:=ABS(CLOSE-OPEN)*1.7<上影 AND ABS(CLOSE-OPEN)>下影*2;
涨停:=C/REF(C,1)>1.098;
REF(长上影,1) AND 涨停;