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Hull Moving Average Bollinger Bands (HMABB)

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Hello! This is simply Bollinger Bands calculated with HMA! Heres a recap on both.

The Hull Moving Average (HMA) attempts to minimize the lag of a traditional moving average while retaining the smoothness of the moving average line. Developed by Alan Hull in 2005, this indicator makes use of weighted moving averages to prioritize more recent values and greatly reduce lag.

Bollinger Bands are envelopes plotted at a standard deviation level above and below a simple moving average of the price. Because the distance of the bands is based on standard deviation, they adjust to volatility swings in the underlying price. Bollinger Bands use 2 parameters, Period and Standard Deviations, StdDev.
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trimmed fat
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made the multiplier adjustable
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fixed bug

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