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发个短底指标。副图、选股通用
HH:=(20*H+19*REF(H,1)+18*REF(H,2)+17*REF(H,3)+16*REF(H,4)+15*REF(H,5)+14*REF(H,6)
+13*REF(H,7)+12*REF(H,8)+11*REF(H,9)+10*REF(H,10)+9*REF(H,11)+8*REF(H,12)
+7*REF(H,13)+6*REF(H,14)+5*REF(H,15)+4*REF(H,16)+3*REF(H,17)+2*REF(H,18)+
REF(H,20))/210,COLORBLUE,LINETHICK1;
LL:=(20*L+19*REF(L,1)+18*REF(L,2)+17*REF(L,3)+16*REF(L,4)+15*REF(L,5)+14*REF(L,6)
+13*REF(L,7)+12*REF(L,8)+11*REF(L,9)+10*REF(L,10)+9*REF(L,11)+8*REF(L,12)
+7*REF(L,13)+6*REF(L,14)+5*REF(L,15)+4*REF(L,16)+3*REF(L,17)+2*REF(L,18)+
REF(L,20))/210,COLORBLUE,LINETHICK1;
D90H:=EMA(HH,90),COLORRED,LINETHICK1;
D90L:=EMA(LL,90),COLORRED,LINETHICK1;
G0:=(XMA(XMA(H,25),25)-XMA(XMA(L,25),25))+XMA(XMA(H,25),25);
D0:=XMA(XMA(L,25),25)-(XMA(XMA(H,25),25)-XMA(XMA(L,25),25));
DTD:=(D0+G0)/2>=(D90H+D90L)/2;
YM:=EMA(SLOPE((CLOSE+HIGH+LOW)/3,24)*20+(CLOSE+HIGH+LOW)/3,48);  
YM1:=EMA(YM,5);
金底:=LYM1;
STICKLINE(金底,0,6,2,0),COLORYELLOW;
XG:金底;