indicator · own pane · open source

Money Flow Index

Deepwick · @deepwickv1Updated 2 Oct 2026▲ 0 users

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About

Money Flow Index (MFI) is a volume-weighted RSI — positive money flow over negative money flow, scaled to 0-100. Picks up accumulation/distribution that RSI alone misses.

Above 80 = overbought, below 20 = oversold.
Divergences with price are high-quality reversal signals.
Raise Length to filter noise in chop.

Source code

//@version=5
indicator("Money Flow Index", overlay=false)
len = input.int(14, "Length", minval=2, maxval=200)
src = input.source("close", "Source")
mfi = ta.mfi(src, len)
hline(80, "Overbought", color=color.gray, linestyle=hline.style_dashed)
hline(20, "Oversold", color=color.gray, linestyle=hline.style_dashed)
p_MFI = plot(mfi, "MFI", color=color.navy, linewidth=2)
alertcondition(ta.crossunder(mfi, 20), "MFI oversold", "MFI crossed below oversold")
alertcondition(ta.crossover(mfi, 80), "MFI overbought", "MFI crossed above overbought")

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