Is MFI better than RSI?

MFI incorporates volume, making it potentially more reliable in markets with good volume data. RSI works better for forex spot where volume is less reliable.

Key Takeaways

Difficulty:Beginner

Reliability:High

Category:volume

Timeframes:1H, 4H, Daily

Money Flow Index (MFI)

volume📊 1H, 4H, Daily

Volume-weighted RSI that measures buying and selling pressure using price and volume.

Formula

Code

Money Flow = Typical Price × Volume

MFI = 100 - (100 / (1 + Money Flow Ratio))

Detailed Explanation

The Money Flow Index (MFI) is often called the volume-weighted RSI because it incorporates both price and volume.

Calculation Steps:
1. Calculate Typical Price: (High + Low + Close) / 3
2. Calculate Money Flow: Typical Price × Volume
3. Separate into positive/negative flow
4. Calculate ratio and apply RSI formula

Trading Setup Example

Entry, stop loss, and take profit levels.

📈 Buy Setup

📉 Sell Setup

Always wait for signal confirmation before entering a trade.

Where This Indicator Works Best

Trend context and market position.

📈 Bullish Context

📉 Bearish Context

Confirms price moves through volume analysis.

Live Chart — Money Flow Index (MFI)

See Money Flow Index (MFI) in action on a live chart. Try changing the settings and timeframe.

Money Flow Index (MFI) is a manual drawing tool or chart type and cannot be auto-overlaid as a study.

Open Chart on TradingView

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Parameters

Period

Default: 14

MFI calculation period

📈 Bullish Signals

MFI crosses above 20 from oversold, bullish divergence

📉 Bearish Signals

MFI crosses below 80 from overbought, bearish divergence

Python Implementation

MFI calculation

Python

import pandas_ta as ta

df['MFI'] = ta.mfi(df['high'], df['low'], df['close'], df['volume'], length=14)

TradingView Pine Script

Try on TradingView

JavaScript

//@version=5

indicator("MFI")

mfi = ta.mfi(hlc3, 14)

plot(mfi, "MFI", color=color.blue)

hline(80, "Overbought")

hline(20, "Oversold")

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MT5 MQL5 Code

C++

int mfi_handle = iMFI(_Symbol, _Period, 14, VOLUME_TICK);

double mfi[];

CopyBuffer(mfi_handle, 0, 0, 3, mfi);

Python Libraries

pandas-ta

Technical analysis

pip install pandas-ta

Common Mistakes

✗Using without reliable volume data

✗Ignoring divergences

Confirmation Signals

Price action

OBV

Volume

Best For

Overbought/oversold with volume contextDivergence tradingVolume confirmation

💡 Pro Tips

•Often called "volume-weighted RSI"
•Divergences are more reliable than RSI
•Requires reliable volume data

Last updated: February 8, 2026

Educational Disclaimer

This content is for educational purposes only and does not constitute financial or investment advice. Trading involves significant risk and you may lose your capital. Always consult a licensed financial advisor before making investment decisions.

Learn More

Investopedia - Technical Indicators— Financial Education BabyPips - Technical Indicators— Trading School MetaTrader 5 Docs— Official Documentation

Frequently Asked Questions

Related Indicators

Relative Strength Index (RSI)

RSI measures the speed and magnitude of price changes, oscillating between 0-100 to identify overbought and oversold conditions.

On-Balance Volume (OBV)

Cumulative indicator that adds volume on up days and subtracts on down days. Shows buying/selling pressure.

Volume Weighted Average Price (VWAP)

Average price weighted by volume, commonly used as a benchmark for institutional trading.

Back to All Indicators