文华财经布林通道变异指标-黄色K线多空买卖点提示

VARR1:=REF(MA(C,20),10);
开:=O-VARR1;
高:=H-VARR1;
低:=L-VARR1;
收:=C-VARR1;
MID:=MA(C,20);
UPPER:=MID+2*STD(C,20);
LOWER:=MID-2*STD(C,20);
V1:=(C-LOWER)/(UPPER-LOWER)*100;
V2:=V1-EMA(V1,5);
V3:=-1*EMA(V2,39)*10;
D:=V3>10;
DRAWCOLORKLINE(开< 收 AND D,COLORYELLOW,1);
DRAWCOLORKLINE(开< 收 AND D&&ISDOWN,COLORYELLOW,0);
A:=开< 收 AND D;
DRAWSL(ISDOWN&&COUNT(ISDOWN,BARSLAST(A)+1),H,0,10,0,COLORYELLOW);