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28 lines
973 B
Plaintext
28 lines
973 B
Plaintext
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// The MIT License (MIT)
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// © mihakralj
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//@version=6
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indicator("Positive Volume Index (PVI)", "PVI", overlay=false)
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//@function Calculates Positive Volume Index, tracks price changes on days with higher volume
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//@doc https://github.com/mihakralj/pinescript/blob/main/indicators/volume/pvi.md
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//@param src Price series to use for calculation
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//@param vol Volume series
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//@param start_value Starting value for PVI (typically 100 or 1000)
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//@returns float The PVI value
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pvi(series float src, series float vol = volume, simple float start_value = 100.0) =>
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var float pvi_value = start_value
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if not (na(src) or na(vol) or na(src[1]) or na(vol[1]) or src[1] == 0.0 or vol[1] <= 0.0) and vol > vol[1]
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pvi_value := pvi_value * src / src[1]
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pvi_value
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// ---------- Main Calculation ----------
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// Parameters
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src = input.source(close, "Price Source")
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// Calculations
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pvi_line = pvi(src, volume)
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// Plot
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plot(pvi_line, "PVI", color=color.yellow, linewidth=2)
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