该公式包含多个技术指标组合，主要功能是识别超买超卖和趋势反转信号。使用时直接复制到通达信公式编辑器，创建副图指标即可。核心看VAR15（蓝色线）与VAR6A的差值，当差值小于-65时（VAR16显示绿色）为超卖信号；VAR18条件满足时显示数值50提示买入机会。注意所有变量均为中间计算过程，最终输出为VAR15、VAR16、VAR17、VAR18四条线。
VAR1A:=(EMA(C,12)-EMA(C,26))*100+50;
VAR2A:=EMA(VAR1A,9);
VAR3A:=((HHV(H,21)-C)/(HHV(H,21)-LLV(L,21)))*100-10;
VAR4A:=((C-LLV(L,21))/(HHV(H,21)-LLV(L,21)))*100;
VAR5A:=SMA(VAR4A,13,8);
VAR6A:=SMA(VAR3A,21,8);
VAR7A:=MA(C,80)-MA(C,10)/7;
VAR8A:=EMA(C,5);
VAR9A:=MA((LLV(C,9))*1.1,14);
VAR10A:=2*VAR9A-VAR8A-C*0.1;
VAR11A:=IF(((VAR8A-VAR10A)*5>0),(POW((VAR8A-VAR10A)*5,2))/10,(-1*(POW((VAR8A-VAR10A)*(5),2)))/(10));
VAR12A:=IF((VAR11A>0),VAR11A-0,12);
VAR13A:=SMA(MAX(C-REF(C,2),0),7,1)/SMA(ABS(C-REF(C,2)),7,1)*100;
VAR15:=CEILING(SMA(VAR5A,13,8)),LINETHICK2,COLOR0000FF;
VAR16:=IF((VAR15-VAR6A<(-65)),1,6),COLOR00FF00;
VAR17:= MA(3*SMA((C-LLV(L,27))/(HHV(H,27)-LLV(L,27))*100,5,1)-2*SMA(SMA((C-LLV(L,27))/(HHV(H,27)-LLV(L,27))*100,5,1),3,1),5);
LC:=REF(CLOSE,1);
AA:=SMA(MAX(CLOSE-LC,0),3,1)/SMA(ABS(CLOSE-LC),3,1)*100;
BB:=SMA(MAX(CLOSE-LC,0),14,1)/SMA(ABS(CLOSE-LC),14,1)*100;
VAR18:=IF((BB-AA)/AA>5 AND VAR15<12,50,0);
AA1:=AA;
BB1:REF(AA,1);
