借花献佛：《有了这个其它的主图指标可以不要了》的短买选股公式

VAR1:=(C>REF(C,1) AND C>REF(C,2));
 VAR2:=(REF(VAR1,1) AND C<=REF(C,1) AND C>=REF(C,2));
 VAR3:=(REF(VAR2,1) AND C>=REF(C,1) AND C<=REF(C,2));
 VAR4:=(REF(VAR3,1) AND C<=REF(C,1) AND C>=REF(C,2));
 VAR5:=(REF(VAR4,1) AND C>=REF(C,1) AND C<=REF(C,2));
 VAR6:=(REF(VAR5,1) AND C<=REF(C,1) AND C>=REF(C,2));
 VAR7:=(REF(VAR6,1) AND C>=REF(C,1) AND C<=REF(C,2));
 VAR8:=(REF(VAR7,1) AND C<=REF(C,1) AND C>=REF(C,2));
 VAR9:=(REF(VAR8,1) AND C>=REF(C,1) AND C<=REF(C,2));
 VARA:=(REF(VAR9,1) AND C<=REF(C,1) AND C>=REF(C,2));
 VARB:=(REF(VARA,1) AND C>=REF(C,1) AND C<=REF(C,2));
 VARC:=(REF(VARB,1) AND C<=REF(C,1) AND C>=REF(C,2));
 VARD:=(C<REF(C,1) AND C<REF(C,2));
 VARE:=(REF(VARD,1) AND C>=REF(C,1) AND C<=REF(C,2));
 VARF:=(REF(VARE,1) AND C<=REF(C,1) AND C>=REF(C,2));
 VAR10:=(REF(VARF,1) AND C>=REF(C,1) AND C<=REF(C,2));
 VAR11:=(REF(VAR10,1) AND C<=REF(C,1) AND C>=REF(C,2));
 VAR12:=(REF(VAR11,1) AND C>=REF(C,1) AND C<=REF(C,2));
 VAR13:=(REF(VAR12,1) AND C<=REF(C,1) AND C>=REF(C,2));
 VAR14:=(REF(VAR13,1) AND C>=REF(C,1) AND C<=REF(C,2));
 VAR15:=(REF(VAR14,1) AND C<=REF(C,1) AND C>=REF(C,2));
 VAR16:=(REF(VAR15,1) AND C>=REF(C,1) AND C<=REF(C,2));
 VAR17:=(REF(VAR16,1) AND C<=REF(C,1) AND C>=REF(C,2));
 VAR18:=(REF(VAR17,1) AND C>=REF(C,1) AND C<=REF(C,2));
 VAR19:=((REF(VARD OR VARE OR VARF OR VAR10 OR VAR11 OR VAR12 OR VAR13 OR VAR14 OR VAR15 OR VAR16 OR VAR17 OR VAR18,1)) AND VAR1);
 VAR1A:=((REF(VAR1 OR VAR2 OR VAR3 OR VAR4 OR VAR5 OR VAR6 OR VAR7 OR VAR8 OR VAR9 OR VARA OR VARB OR VARC,1)) AND VARD);
 DRAWTEXT(VAR19,L,'←短买'),COLOR33FFCC;