This script defines an indicator called "Candle Range Extension" that calculates the range of each candle (high minus low) and then multiplies that range by 3 to get the extension distance. It then plots two lines on the chart: one line that extends 3 times the candle range above the candle's high (in green) and another line that extends 3 times the candle range below the candle's low (in red).
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 a publication is governed by House Rules.
You can favorite it to use it on a chart.
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