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https://github.com/mihakralj/QuanTAlib.git
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Miha Kralj
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>
47 lines
1.6 KiB
Plaintext
47 lines
1.6 KiB
Plaintext
// The MIT License (MIT)
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// © mihakralj
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//@version=6
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indicator("Ease of Movement (EOM)", "EOM", overlay=false)
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//@function Calculate Ease of Movement Volume
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//@doc https://github.com/mihakralj/pinescript/blob/main/indicators/volume/eom.md
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//@param i_length integer Length for box ratio calculation
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//@param i_smoothing integer Smoothing length for EOM
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//@returns float Ease of Movement value
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//@optimized for performance and dirty data
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eom(i_smoothing, i_vol_scale, i_high=high, i_low=low, i_volume=volume) =>
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if i_smoothing < 1 or i_vol_scale <= 0
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runtime.error("Smoothing or Volume scale out or range")
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var float oldMidPoint = na
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midPoint = (i_high + i_low) * 0.5
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midPointChange = midPoint - nz(oldMidPoint, midPoint)
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oldMidPoint := midPoint
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priceRange = i_high - i_low
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boxRatio = priceRange > 0 and i_volume > 0 ? (i_volume / i_vol_scale) / priceRange : na
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rawEom = not na(boxRatio) and boxRatio != 0 ? midPointChange / boxRatio : 0.0
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var array<float> buffer = array.new_float(i_smoothing, 0.0)
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var int head = 0
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var float sum = 0.0
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float oldest = array.get(buffer, head)
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if bar_index >= i_smoothing
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sum -= oldest
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currentValue = nz(rawEom)
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sum += currentValue
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array.set(buffer, head, currentValue)
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head := (head + 1) % i_smoothing
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average = bar_index < i_smoothing ? sum / (bar_index + 1) : sum / i_smoothing
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average
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// ---------- Main loop ----------
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// Inputs
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i_length = input.int(14, "Period", minval=1)
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i_smoothing = input.int(14, "Smoothing", minval=1)
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// Calculation
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eomValue = eom(i_length, i_smoothing)
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// Plot
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plot(eomValue, "EOM", color=color.yellow, linewidth=2)
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