Ok, so custom drawing tool, and i’m drawing rectangles within render(), and would love to set opacity but it seems its not supported in the fillStyle for a Rectangle shape. Alternatively, can i draw behind the chart, setting something like a z-index? I’m guessing also a no as the only thing i could see zIndex related is readonly, and for translations. Can i use that somehow 
@tikidave is the expert and have amazing indicators for ToV
Ahhh, i just modified @tikidave‘s RSI indicator to add overbought / oversold zones as params since they were hard coded to 70/30 (i needed 80/20)! (BTW Dave, HMA.js was missing from the tools bundle after install). I’ll check out his code and see what i can learn from it. thx
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