加速黄线指标 (源码)

VARA:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
VARB:=SMA(VARA,3,1);
VARC:=SMA(VARB,3,1);
加速: EMA(3*VARB-2*VARC,3)/30.5,COLORYELLOW;