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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>
49 lines
1.9 KiB
Plaintext
49 lines
1.9 KiB
Plaintext
// The MIT License (MIT)
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// © mihakralj
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//@version=6
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indicator("Intraday Intensity Index (III)", "III", overlay=false)
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//@function Calculates Intraday Intensity Index
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//@doc https://github.com/mihakralj/pinescript/blob/main/indicators/volume/iii.md
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//@param period Smoothing period for the intensity index
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//@param cumulative Whether to accumulate intensity values
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//@param h High price series
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//@param l Low price series
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//@param c Close price series
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//@param vol Volume series
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//@returns Smoothed or raw intensity value
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iii(simple int period, simple bool cumulative=false, series float h=high, series float l=low, series float c=close, series float vol=volume) =>
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high_val = nz(h, close)
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low_val = nz(l, close)
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close_val = nz(c, close)
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volume_val = math.max(nz(vol, 0.0), 1.0)
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range_val = high_val - low_val
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position_multiplier = range_val > 0 ? (2 * close_val - high_val - low_val) / range_val : 0.0
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raw_iii = position_multiplier * volume_val
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var buffer = array.new_float(period, na)
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var head = 0, var sum = 0.0, var valid_count = 0, var cumulative_value = 0.0
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oldest = array.get(buffer, head)
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sum := not na(oldest) ? sum - oldest : sum
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valid_count := not na(oldest) ? valid_count - 1 : valid_count
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sum := not na(raw_iii) ? sum + raw_iii : sum
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valid_count := not na(raw_iii) ? valid_count + 1 : valid_count
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array.set(buffer, head, raw_iii)
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head := (head + 1) % period
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smoothed_iii = sum / period
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cumulative_value := cumulative_value + raw_iii
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cumulative ? cumulative_value : smoothed_iii
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// ---------- Main Calculation ----------
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// Parameters
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period = input.int(14, "Period", minval=1, maxval=100, tooltip="Smoothing period for the intensity index")
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cumulative = input.bool(false, "Cumulative Mode", tooltip="Accumulate intensity values for trend analysis")
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// Calculation
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iii_value = iii(period, cumulative)
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// ---------- Plots ----------
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plot(iii_value, "III", color=color.yellow, linewidth=2)
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