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gann fan indicator


The Gann Fan indicator is a technical analysis tool traders use to identify support and resistance levels, price breakouts, reversals and retracements. Based on W.D. Gann’s financial market geometry theories, this unique indicator uses angled lines to track and anticipate future price movements.

In this beginner’s guide, learn the concepts behind the Gann Fan indicator, how it works, and how to effectively use it in trading. With the right approach, the Gann Fan tool can improve your analysis of market trends and turning points.

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What is the Gann Fan indicator?

Renowned 20th-century technical analyst W.D. Gann developed the Gann Fan indicator. His extensive research into price patterns and market cycles led him to believe markets move based on mathematical relationships and geometric angles.

Gann determined that support and resistance levels often lined up along 1x1, 1x2, 1x4 and 1x8 angle fan lines, drawn from major price highs and lows. When these angled lines converged, it signalled a vital inflexion zone in the market.

Though initially drawn by hand on charts, the Gann Fan indicator is now easily added to most modern trading platforms and charting software. It continues to be widely used today by technical traders across different markets and timeframes. The tool’s uniqueness lies in its deviation from traditional horizontal support/resistance approaches.


How the Gann Fan Indicator Works

The Gann Fan is anchored by drawing angled lines of varying degrees from prominent price highs and lows on the chart. The most commonly used angles are the 1x1 line (45 degrees), 1x2 line (26.5 degrees), 1x4 line (14.5 degrees) and 1x8 line (7.5 degrees). These Gann Fan lines extend to the left and right, acting as upper and lower boundaries of potential future price action.

When two or more of these angled fan lines converge and intersect at the same price level, they identify key areas that may offer strong support or resistance. These convergence points often coincide with market tops, bottoms and trend reversals.

Traders also look for breakouts through Gann angle fan lines to signal new moves and retracements down to these angled lines to time oversold bounces or pullbacks within trends. When prices respect boundaries created by the indicator, it confirms the validity of those lines for future trades.

The Gann Fan indicator offers traders an alternate approach to trendlines or channels when analysing charts. Instead of horizontal or slightly angled trendlines, the Gann Fan indicator projects more steeply angled future support and resistance zones. This can help traders better anticipate and react to price bounds and breaks in the market.

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How to use the Gann Fan indicator

When adding the Gann Fan indicator to your charts, start by identifying prominent swing highs and swing lows that stand out as pivotal market turns. Significant peaks and valleys that led to sustained upside or downside moves are ideal. Choose historical points where the market decisively changed direction or reversed a previous trend.

Draw the four critical Gann Fan angle lines extending out 25-30 bars to the left and right from each chosen price. Take note of any intersections at present or future prices. The gathering of multiple fan lines is often at harmonically related fractional ratios (1/2, 1/4, etc) of the most recent price swing.

These tools work best when three or more fan lines converge to identify consensus zones. Use the angled lines as you would traditional horizontal supports and resistances - allowing prices to dictate the strength. A break above or below a Gann angle can signal the start of a new move. Quick reversals to a fan line after gaps/breakouts can provide secondary entry opportunities within emerging trends.

When prices eventually reverse from these upper or lower fan lines, expect the new counter-move to extend to the next harmonic Gann angle on the other side of the most recent pivot high/low. These techniques allow traders to profit from range-bound and trending market conditions.


Combining Gann Fans with Other Indicators

For better trade triggering and added confidence, the Gann Fan indicator works best when combined with other complementary technical analysis tools:

Moving averages: Plotting 50 or 200-day moving averages along with angled fan lines helps reinforce the market trend. Only look for bounces off support fans if prices are above rising moving averages in uptrends and vice versa for downtrends.

Momentum oscillators: Incorporating an indicator like the Relative Strength Index (RSI) into Gann Fan analysis allows traders to identify subtle shifts in buying and selling pressure. As the RSI measures the speed of price movement, combining it with angular support/resistance helps time entries.

For example, momentum typically starts slowing down as prices approach an upward-sloping Gann Fan resistance line. Even as prices hit new higher highs, a negative momentum divergence develops where the RSI forms lower highs. This demonstrates waning upside conviction and warns of a possible trend reversal.

Fibonacci retracements: Traders widely use the Fibonacci ratios of 50% and 61.8% to identify essential levels in the market. These levels tend to coincide with the intersection of Gann fan angles and moving averages, which creates a powerful confluence of technical indicators. As a result, these areas are considered high-probability zones where price reversals are likely to occur. 

Candlestick patterns: The rich visual signals of various candlestick chart patterns can provide additional trade confirmation when aligned with key Gann Fan price levels. For example, Doji candle reversals highlighting market uncertainty often emerge at significant support and resistance zones. A Doji forming at the confluence of several intersecting Gann Fan lines and the 50-day moving average carries more weight as a potential bottoming signal.

Likewise, a Bullish Engulfing pattern indicating strong buying momentum gains significance if it occurs around 1x2 or 1x4 Gann Fan angle bottom. Reinforced by the indicator convergence, the ability to break back above a prior swing level flags a high probability long trade entry setup.

No single indicator reveals all the secrets of the market. The angles of the Gann Fan indicator should be reinforced with other signals like trends, momentum, volumes and chart patterns to improve the timing of trade entries and exits. Multiple confirming indicators pointing to impending support or resistance increase the odds of a profitable turn in price action.

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Benefits and limitations of Gann Fans

The Gann Fan indicator offers traders some practical advantages as a visual technical analysis tool:

Clear levels: The Gann Fan indicator provides clear visual support and resistance levels on price charts through angled fan lines. This allows traders to spot potential supply/demand imbalance areas for trades quickly.

Universal application: Unlike some niche indicators, the Gann Fan indicator can be widely applied across most traded markets, including stocks, futures, forex and major crypto assets. It can be used on charts ranging from short-term 1-minute timeframes to monthly charts for long-term position traders. 

However, some limitations also exist that you must be aware of:

Subjective interpretation: The Gann Fan's output depends much on the user's judgment in initially selecting historical anchor points to base the angled fans on. Results can vary depending on which price highs/lows are chosen and how much significance is derived from indicator interactions at convergence zones.

Limited markets: Though well-suited for equities and forex pairs, the indicator has produced less reliable signals in certain commodities like gold or bitcoin, where one-directional volatility trends dominate. It tends to fare better in two-way trading markets.

As with any indicator, the quality of input determines the quality of output. Be careful in assessing past price swings and choosing peaks and lows to anchor the fans in your trading. 


To put it briefly

The Gann Fan indicator is a technical analysis tool that employs geometric principles and angles to identify potential price support, resistance levels, and trend changes in financial markets. 

This visual tool provides a comprehensive view of the price action, which works best when confirming the existing market trends. However, it is recommended to supplement its analysis by incorporating other technical indicators like volume, momentum oscillators, and chart pattern breakouts to reduce the risk of incorrect trading decisions.

It is important to note that relying solely on the Gann Fan indicator with adequate knowledge of the Gann trading methodology can help your investments. Therefore, conducting extensive research on Gann trading methodology is highly advised before using the Fan lines in the market. 

When used competently, the Gann Fan indicator can provide an edge in identifying potential price movements and help visualize areas where swings may reverse based on important harmonic ratios related to prior highs and lows. 

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Improve your trading skills by trying out the Gann Fan indicator. It helps make your strategies more precise and timely. Add it to your past chart analysis and testing to improve it 

Give it a shot with our free demo account made just for you. Practice making trades with this trading indicator and build confidence in your abilities. With virtual money, you can trade without worries and get better at what you do! 

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“When considering “CFDs” for trading and price predictions, remember that trading CFDs involves a significant degree of risk and could result in capital loss. Past performance is not indicative of any future results. This information is provided for informative purposes only and should not be considered investment advice.”

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