Trapezoidal Weighted Moving Average and Bollinger Bands

This weighting method linearly weights a percentage of values from both the beginning and the end of the rolling window in order to minimize the effect of outliers entering and leaving the window.
Release Notes:
minor correction
Open-source script

In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.


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