OPEN-SOURCE SCRIPT
Updated Bollinger Bands
This displays the traditional Bollinger Bands, the difference is that the 1st and 2nd StdDev are outlined with two colors and two different levels, one for each Standard Deviation.
The basis line is colored depending on the direction of the moving average.
The basis line is colored depending on the direction of the moving average.
Release Notes
This is an updated version of the Bollinger Bands, recompiled for Pinescript v. 3 
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 publications is governed by House rules. You can favorite it to use it on a chart.
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