RSV:=(CLOSE-LLV(LOW,18))/(HHV(HIGH,18)-LLV(LOW,18))*100;
 K:=SMA(RSV,9,1);
 D:=SMA(K,3,1);
趋势J1:=3*K-2*D;
趋势J2:=EMA(K,3);
 BBIAS:=(CLOSE-MA(CLOSE,24))/MA(CLOSE,24)*100;
反弹:=IF(CROSS(K,D) AND BBIAS<-6 AND D<16 AND CLOSE>REF(CLOSE,1),80,0);
阶段底:=EMA(IF(L<= LLV(L,40),SMA(ABS(L-REF(L,1)),40,1)/SMA(MAX(L-REF(L,1),0),40,1),0),3)*10;
 V1:=AMOUNT/VOL/100;
 V2:=(3*HIGH+LOW+OPEN+2*CLOSE)/7;
 V3:=SUM(AMOUNT,7)/V1/100;
 V4:=DMA(V2,VOL/V3);
 V5:=(CLOSE-V4)/V4*100;
 V6:=MA(V5,20)+STD(V5,20);
 BIAS21:=(CLOSE-MA(CLOSE,21))/MA(CLOSE,21)*100;
水面:=20;
买入:=IF(趋势J1<30,趋势J1,DRAWNULL);
买入2:=CROSS(买入,趋势J2);
钓美人鱼选股:IF(买入2>0.5,80,0);