文华财经布林带T值波动率公式

MID:MA(CLOSE,26);
TMP2:=STD(CLOSE,26);
TOP:MID+2*TMP2;
BOTTOM:MID-2*TMP2;
T:=TOP-BOTTOM;
BZ:IF((T)/REF(T,1)-1>0,(T)/REF(T,1)-1,NULL)*100,COLORRED;
BZ.:IF((T)/REF(T,1)-1<0,(T)/REF(T,1)-1,NULL)*100,COLORGREEN;
DRAWCOLORLINE((T)/REF(T,1)-1>0,TOP,COLORRED,COLORGREEN);
DRAWCOLORLINE((T)/REF(T,1)-1>0,BOTTOM,COLORRED,COLORGREEN);