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https://github.com/mihakralj/QuanTAlib.git
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Miha Kralj
38 lines
1.3 KiB
Plaintext
38 lines
1.3 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("Price Volume Trend (PVT)", "PVT", overlay=false)
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//@function Calculates Price Volume Trend, cumulative volume adjusted by relative price changes
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//@param src Source price for calculation (typically close)
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//@param src_vol Volume data
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//@returns float The cumulative PVT value
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pvt(series float src, series float src_vol) =>
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float price_change = src - nz(src[1], src)
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float price_prev = nz(src[1], src)
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float price_change_ratio = price_prev != 0 ? price_change / price_prev : 0.0
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float volume_adjustment = nz(src_vol, 0.0) * price_change_ratio
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var float cumulative_pvt = 0.0
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cumulative_pvt += volume_adjustment
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cumulative_pvt
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// ---------- Main Calculation ----------
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// Parameters - PVT typically doesn't need input parameters as it's cumulative
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// Calculation
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pvt_line = pvt(close, volume)
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// ---------- Plots ----------
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plot(pvt_line, "PVT", color.yellow, 2)
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hline(0, "Zero Line", color.gray, linestyle=hline.style_dashed)
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// Signal line (optional smoothed version)
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signal_length = input.int(14, "Signal Line Period", minval=1)
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pvt_signal = ta.sma(pvt_line, signal_length)
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plot(pvt_signal, "PVT Signal", color.red, 1)
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// Background coloring for trend indication
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bgcolor(pvt_line > pvt_signal ? color.green : color.red)
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