DHLBO:
Formulas:
Up band = Min+(Max-Min)*Step,
Dn band = Max-(Max-Min)*Step, where
Min, Max - minimum and maximum prices at range from (i-Look_Back_Length+1) to (i).
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DHLPBO:
Formulas:
Up band[i] = Max-(Max-Min)*(MaxIndex-i)*Step/100,
Dn band[i] = Min+(Max-Min)*(MinIndex-i)*Step/100, where
Min, Max - minimum and maximum prices at range from (i-Look_Back_Length+1) to (i),
MinIndex, MaxIndex - positions of Min and Max.
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