Gives the same info as a conventional RSI oscillator except it's shown as a scary cave that price is trying to avoid touching. An indicator for the more visual traders out there. With thanks to LazyBear for the RSI band code.
I've included an RSI in the chart above for demonstration purposes.
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Added green/red overbought/sold highlights. They can be disabled in options
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Updated to v4, fixed display issue and added suggestion from comments
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Added RSI centre line (RMA) and option to hide the gray part. Made it more compatible with low sat crypto markets