Durbtrade Bollinger Bands Width

First published script. Actually, this is my 1st script ever! I know its not flashy or anything, but I finally decided to try learning some pine... and to try and get rid of the dang 0 on my profile, haha. So here are the results after many hours.

I like using the BB Width indicator, and I wanted it to change color based on whether is was rising or falling. I also have it to automatically plot a horizontal line at 0 so I don't have to draw a line every time I apply the indicator to a new chart. And I changed the default precision to 3.

I noticed that there aren't that many BB Width scripts. and I don't think there is anything like this out there that I know of, so I hope someone else besides me will find it useful.

Please feel free to comment.

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Update... plots an optional EMA of the BBW behind the BBW. Additional changes were made to the default color and line thickness. And finally I changed the script name to be found more easily during indicator searches.

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More name changes.

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Modified the zero line - now it doesn't extend to the edge of the window, keeping the indicator a bit cleaner. Also added extra options to customize the lines appearance.

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Now has the option to show customizable, color-coded, cross-over and cross-under background fills... signaling when the BBW crosses the EMA.

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A color fill option is now included if you would like to fill the spaces between the BBW and BBW EMA lines with 2 customizable colors and opacities depending on if the BBW is above or below the BBW EMA, for increased information/clarity.