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volume - PineScript Variable

`volume`

Overview

volume counts how many units (contracts, shares, lots, etc.) have traded during the current bar. The value grows as trades occur and becomes final when the bar closes.

Remarks

Access historical activity with volume[1], volume[2], etc., to build volume-based indicators.
On some symbols (e.g., Forex, crypto indices) the series may represent tick volume rather than actual exchange volume.
volume reflects post-adjustment data when the chart uses modifiers (split-adjusted equities, etc.).

Example

//@version=5
indicator("Volume surge detector", overlay=false)

lookback = input.int(20, "Average length", minval=1)
avgVolume = ta.sma(volume, lookback)

plot(volume, "Volume", style=plot.style_columns, color=color.new(color.blue, 0))
plot(avgVolume, "Average", color=color.orange, linewidth=2)

bgcolor(volume > avgVolume * 1.5 ? color.new(color.green, 85) : na,
    title="High-volume bar")

See Also