mfi

Money Flow Index (Volume-weighted momentum oscillator)

`mfi(period)`

Parameters

Name	Type	Description
`period`	int	Number of periods for money flow calculation

Formula

MFI = 100 - (100 / (1 + positive_money_flow_sum / negative_money_flow_sum))

Examples

mfi(14);  # Standard 14-period MFI
mfi(10);  # More sensitive 10-period MFI
mfi(14) > 80;  # Overbought with volume confirmation
mfi(14) < 20;  # Oversold with volume confirmation

Returns

float

Range

period must be 2-400

Notes

positive_money_flow_sum/negative_money_flow_sum are windowed SUMs over a CASE that always resolves to a non-negative number, never NULL; the CASE returns 100 when the negative sum is 0 and 0 when the positive sum is 0, so MFI itself never resolves to NULL

References

TradingView: ta.mfi(); developed by Gene Quong and Avrum Soudack

Back to Reference Try it in Scanner