三角形选股公式（通达信）
T:=200;
TL0:=LLVBARS(L,T);
L0:=LLV(L,T);
TH0:=HHVBARS(H,TL0);
H0:=HHV(H,TL0);
TL1:=LLVBARS(L,TH0);
L1:=LLV(L,TH0);
TH2:=HHVBARS(H,TL1);
H2:=HHV(H,TL1);
TL3:=LLVBARS(L,TH2);
L3:=LLV(L,TH2);
TH4:=HHVBARS(H,TL3);
H4:=HHV(H,TL3);
TL5:=LLVBARS(L,TH4);
L5:=LLV(L,TH4);
A1:=TL0-TH0>20 AND TH0-TH2>10 AND TH2-TH4>10 AND TL1-TL3>10 AND TL3-TL5>10;
A2:=TH0-TH2<50 AND TH2-TH4<50 AND TL1-TL3<50 AND TL3-TL5<50;
A3:=H0>H2 AND H2>H4;
A4:=L0A5:=(H0-L0)/L0>0.2;
A6:=(H0-L1)/(H0-L0)<0.618;
A7:=(H2-L3)<(H0-L1)*0.8 AND (H4-L5)<(H2-L3)*0.8;
A8:=(H2-L3)>(H0-L1)*0.3 AND (H4-L5)>(H2-L3)*0.3;
A9:=C>=(L1+(H0-L1)/2);
XG:A1 AND A2 AND A3 AND A4 AND A5 AND A6 AND A7 AND A8 AND A9;