mirror of
https://github.com/mihakralj/QuanTAlib.git
synced 2026-07-27 17:27:43 +00:00
Miha Kralj
44 lines
1.8 KiB
Plaintext
44 lines
1.8 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("Aroon Oscillator", "AROONOSC", overlay=false)
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//@function Calculates Aroon Oscillator (Aroon Up - Aroon Down)
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//@param period Number of bars used in the calculation
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//@returns Aroon Oscillator value ranging from -100 to +100
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aroonosc(simple int period) =>
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if period <= 0
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runtime.error("Period must be greater than 0")
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float highest_pos = ta.highestbars(high, period)
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float lowest_pos = ta.lowestbars(low, period)
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float aroon_up = 100 * (period + highest_pos) / period
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float aroon_down = 100 * (period + lowest_pos) / period
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float oscillator = aroon_up - aroon_down
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oscillator
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// ---------- Main loop ----------
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// Inputs
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i_period = input.int(25, "Period", minval=1, tooltip="Number of bars used in the calculation")
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// Calculation
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oscillator = aroonosc(i_period)
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// Plot
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plot(oscillator, "Aroon Oscillator", color=color.yellow, linewidth=2)
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hline(0, "Zero Line", color=color.gray, linestyle=hline.style_solid)
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hline(50, "Upper Level", color=color.gray, linestyle=hline.style_dashed)
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hline(-50, "Lower Level", color=color.gray, linestyle=hline.style_dashed)
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// Color fill for positive/negative regions
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bgcolor(oscillator > 0 ? color.new(color.green, 90) : color.new(color.red, 90), title="Background")
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// Alert conditions
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alertcondition(ta.crossover(oscillator, 0), "Bullish Crossover", "Aroon Oscillator crossed above zero on {{ticker}}")
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alertcondition(ta.crossunder(oscillator, 0), "Bearish Crossover", "Aroon Oscillator crossed below zero on {{ticker}}")
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alertcondition(oscillator > 70, "Strong Uptrend", "Strong uptrend detected on {{ticker}} (Oscillator > 70)")
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alertcondition(oscillator < -70, "Strong Downtrend", "Strong downtrend detected on {{ticker}} (Oscillator < -70)")
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