N:=21;MD:SMA(CLOSE,N,1),COLORLICYAN;TNT:=SQRT(MA(POW((CLOSE-MD),2),N));UP:MD+2*TNT,COLORBROWN;LO:MD-2*TNT,COLORLIRED;小妖线:EMA(CLOSE,20),COLORCYAN,DOTLINE;MID:=(3*CLOSE+LOW+OPEN+HIGH)/6;QD:(20*MID+19*REF(MID,1)+18*REF(MID,2)+17*REF(MID,3)+16*REF(MID,4)+15*REF(MID,5)+14*REF(MID,6)+13*REF(MID,7)+12*REF(MID,8)+11*REF(MID,9)+10*REF(MID,10)+9*REF(MID,11)+8*REF(MID,12)+7*REF(MID,13)+6*REF(MID,14)+5*REF(MID,15)+4*REF(MID,16)+3*REF(MID,17)+2*REF(MID,18)+REF(MID,20))/210,COLORRED;小魔:=OSS(C,小妖线) AND CROSS(C