Want to spot market reversals and stay ahead of the trend? The Money Flow Index (MFI) helps you track the movement of money into and out of stocks, giving you the insights needed for informed trading decisions. The MFI, created by Gene Quong and Avrum Soudack in the late 1990s, is a momentum oscillator that relies on both price and volume data.
Introduction
The Money Flow Index (MFI) is a popular technical analysis tool that combines price and volume to identify trends in a stock or market. It serves as a momentum oscillator, helping traders and investors gauge whether a stock is being accumulated (bought) or distributed (sold). This powerful tool aids in making informed trading decisions, particularly for spotting potential reversals and overbought or oversold conditions.
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What is Money Flow Index (MFI)?
The MFI is a momentum oscillator that blends price and volume to gauge buying and selling pressure. It works similarly to the Relative Strength Index (RSI) but adds volume data for deeper market insights. The index ranges from 0 to 100, providing traders with valuable signals:
- Above 80: Overbought conditions, signaling a potential downturn.
- Below 20: Oversold conditions, suggesting a possible rebound.
- 50-80: Bullish momentum, indicating strength in the trend.
- 20-50: Bearish momentum, highlighting market weakness.
By incorporating volume, MFI offers a clearer picture of price movements and market sentiment compared to RSI alone.
How to Use MFI for Better Trading Decisions

1. Identify Overbought and Oversold Conditions
MFI helps traders pinpoint market extremes.
- Above 80: The stock may be overbought, signaling a potential pullback.
- Below 20: The stock may be oversold, hinting at a rebound.
These signals help traders enter or exit trades at optimal points.
2. Detect Trend Reversals with Divergence
Watching for divergences between MFI and price action can reveal potential reversals:
- Bearish Divergence: Price makes higher highs while MFI forms lower highs, indicating weakening buying pressure and a possible downturn.
- Bullish Divergence: Price makes lower lows while MFI trends higher, suggesting selling pressure is fading and an uptrend may begin.
3. Confirm Trend Strength
MFI also measures trend strength:
- Above 50: Buying pressure dominates, reinforcing an uptrend.
- Below 50: Selling pressure prevails, confirming a downtrend.
This insight helps traders avoid counter-trend trades and improve success rates.
4. Validate Price Movements with Volume Confirmation
A unique advantage of MFI is its volume-based calculation.
- Rising price + increasing MFI: A strong trend is in play.
- Rising price + stagnant/declining MFI: Weak momentum, signaling caution.
By factoring in volume, MFI provides a more reliable read on market dynamics.
5. Generate Buy and Sell Signals with Crossovers
MFI crossovers can be used to time trade entries and exits:
- Crossing above 20: A buy signal, indicating momentum is shifting up.
- Crossing below 80: A sell signal, warning of potential pullbacks.
These signals help traders act promptly and reduce late entries.
How to Integrate MFI into Your Trading Strategy
The Money Flow Index is a powerful and flexible tool that fits well into many trading strategies. When used with other technical indicators, it helps confirm trade decisions and improve accuracy.
For example, pairing MFI with moving averages, trendlines, or candlestick patterns can help filter out false signals. If you’re using ChartAlert’s advanced scanning features, you can create custom scans to find stocks that are overbought or oversold based on MFI readings. This helps you focus on real opportunities and avoid unpredictable market conditions.
With ChartAlert’s end-of-day data, you can stay up to date on the latest MFI signals and easily track your trades. Whether you’re a short-term trader or a long-term investor, MFI can be a valuable tool for improving your market timing and making informed decisions.
Also see: How to set up stop loss and take profit levels in trading
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For examples of customizable Money Flow Index (MFI) factory scans that can be edited, modified, or revised, and subsequently scanned through ChartAlert’s native stock screener or technical analysis scanner, click here.
