input:length(12),len1(11),len2(30);
var:bias(0),avg1(0),avg2(0),varlue1(0);
varlue1 = Average(close,length);
bias = ((close-varlue1) / varlue1 ) * 100 ;
avg1 = XAverage (bias,len1);
avg2 = XAverage(bias,len2);
plot1(bias,"bias");
plot2(avg1,"avg1");
plot3(avg2,"avg2");
自己新增吧
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