Auto High Low Fib-Moving

Auto detect highest/lowest price within a range of bars (user defined). The range slides forward in time as new bars appear in the chart.

Optionally add Fibonnaci Lines (retracement or extension).

See the comments at the beginning of the script for a complete description.

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While there are several versions of this indicator in TradingView, this one adds some unique flexibility. And it's open source, so you can improve on it.