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86fe32a682
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com> Co-authored-by: aider (openrouter/anthropic/claude-sonnet-4) <aider@aider.chat> Co-authored-by: Warp <agent@warp.dev>
43 lines
1.8 KiB
Plaintext
43 lines
1.8 KiB
Plaintext
// The MIT License (MIT)
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// © mihakralj
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//@version=6
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indicator("Price Momentum Oscillator (PMO)", "PMO", overlay=false)
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//@function Calculates Price Momentum Oscillator using double-smoothed ROC
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//@doc https://github.com/mihakralj/pinescript/blob/main/indicators/momentum/pmo.md
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//@param src Source series to calculate PMO for
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//@param roc_len Lookback period for ROC calculation
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//@param smooth1_len First smoothing period
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//@param smooth2_len Second smoothing period
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//@returns PMO value measuring smoothed momentum
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pmo(series float src, simple int roc_len, simple int smooth1_len=20, simple int smooth2_len=10)=>
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if roc_len<=0 or smooth1_len<=0 or smooth2_len<=0
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runtime.error("Lengths must be greater than 0")
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float roc=100*(src-src[math.min(roc_len, bar_index)])/src[math.min(roc_len,bar_index)]
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float alpha1=2/(smooth1_len+1)
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var float smooth1=na
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smooth1:=na(smooth1)?roc:smooth1*(1-alpha1)+roc*alpha1
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float alpha2=2/(smooth2_len+1)
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var float smooth2=na
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smooth2:=na(smooth2)?smooth1:smooth2*(1-alpha2)+smooth1*alpha2
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smooth2
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// ---------- Main loop ----------
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// Inputs
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i_source = input.source(close, "Source")
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i_roc_len = input.int(35, "ROC Length", minval=1)
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i_smooth1_len = input.int(20, "First Smoothing Length", minval=1)
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i_smooth2_len = input.int(10, "Second Smoothing Length", minval=1)
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i_signal_len = input.int(10, "Signal Line Length", minval=1)
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// Calculation
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pmo_value = pmo(i_source, i_roc_len, i_smooth1_len, i_smooth2_len)
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float alpha_signal = 2.0 / (i_signal_len + 1)
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var float signal_line = na
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signal_line := na(signal_line) ? pmo_value : signal_line * (1.0 - alpha_signal) + pmo_value * alpha_signal
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// Plot
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plot(pmo_value, "PMO", color=color.blue, linewidth=2)
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plot(signal_line, "Signal", color=color.red, linewidth=2)
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