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https://github.com/mihakralj/QuanTAlib.git
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Miha Kralj
35 lines
1.5 KiB
Plaintext
35 lines
1.5 KiB
Plaintext
// Licensed under the Apache License, Version 2.0
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// © mihakralj
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//@version=6
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indicator("Williams Fractals", "FRACTALS", overlay=true)
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//@function Detects Williams Fractal patterns (5-bar pattern)
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//@returns [up_fractal, down_fractal] Fractal values (na if no fractal)
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fractals() =>
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bool is_up_fractal = false
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bool is_down_fractal = false
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if bar_index >= 4
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is_up_fractal := high[2] > high[4] and high[2] > high[3] and high[2] > high[1] and high[2] > high[0]
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is_down_fractal := low[2] < low[4] and low[2] < low[3] and low[2] < low[1] and low[2] < low[0]
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float up_fractal_value = is_up_fractal ? high[2] : na
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float down_fractal_value = is_down_fractal ? low[2] : na
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[up_fractal_value, down_fractal_value]
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// ---------- Main loop ----------
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// Inputs
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i_show_up = input.bool(true, "Show Up Fractals", tooltip="Display bearish fractals (resistance)")
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i_show_down = input.bool(true, "Show Down Fractals", tooltip="Display bullish fractals (support)")
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i_color_up = input.color(color.red, "Up Fractal Color")
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i_color_down = input.color(color.green, "Down Fractal Color")
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// Calculation
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[up_fractal, down_fractal] = fractals()
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// Plot fractal markers
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plotshape(i_show_up and not na(up_fractal) ? up_fractal : na, "Up Fractal", style=shape.triangledown, location=location.absolute, color=i_color_up, size=size.small, offset=-2)
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plotshape(i_show_down and not na(down_fractal) ? down_fractal : na, "Down Fractal", style=shape.triangleup, location=location.absolute, color=i_color_down, size=size.small, offset=-2)
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