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      • Why Analyze Securities?
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      • John Murphy's "Charting Made Easy" eBook
      • Technical Analysis 101
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        • TA 101 – Part 3
        • TA 101 – Part 4
        • TA 101 – Part 5
        • TA 101 – Part 6
        • TA 101 – Part 7
        • TA 101 – Part 8
        • TA 101 – Part 9
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        • TA 101 – Part 13
        • TA 101 – Part 14
        • TA 101 – Part 15
        • TA 101 – Part 16
        • TA 101 – Part 17
      • Irrational Exuberance
      • Cognitive Biases
      • Arthur Hill on Goals, Style and Strategy
      • Arthur Hill on Moving Average Crossovers
      • Multicollinearity
      • "The Trader's Journal" by Gatis Roze
        • Stage 1: Money Management
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        • Stage 3: The Investor Self
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        • Stage 5: Routines
        • Stage 6: Stalking Your Trade
        • Stage 7: Buying
        • Stage 8: Monitoring Your Investments
        • Stage 9: Selling
        • Stage 10: Re-Examine, Refine, Re-Enhance
        • Additional Reading
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      • Why and How To Use Correlation
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      • Introduction to Chart Patterns
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        • Candlestick Pattern Dictionary
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          • Introduction to Point & Figure Charts
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          • P&F Price Objectives: Breakout and Reversal Method
          • P&F Price Objectives: Horizontal Counts
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        • Point & Figure Indicators
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        • ZigZag
    • Market Indicators
      • Introduction to Market Indicators
        • Market Indicator Dictionary
      • Advance-Decline Line
      • Advance-Decline Percent
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      • Advance-Decline Volume Percent
      • Arms Index (TRIN)
      • Bullish Percent Index (BPI)
      • DecisionPoint Intermediate-Term Breadth Momentum Oscillator (ITBM)
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      • DecisionPoint Swenlin Trading Oscillator (STO)
      • High-Low Index
      • High-Low Percent
      • McClellan Oscillator
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      • Net New 52-Week Highs
      • Percent Above Moving Average
      • Pring's Bottom Fisher
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      • The DecisionPoint Chart Gallery
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      • Wyckoff Analysis Articles
        • Wyckoff Market Analysis
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        • The Wyckoff Method: A Tutorial
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        • Introduction to Elliott Wave Theory
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    • Trading Strategies & Models
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        • The 'Last' Stochastic Technique
        • MACD Zero-Line Crosses With Swing Points
        • Moving Average Trading Strategies
          • Finding Support and Resistance in Moving Averages
          • Guppy Multiple Moving Average: An MA Ribbon Designed to Tip the Market’s Hand
          • How To Trade Price-to-Moving Average Crossovers
          • Trading the Death Cross
          • Trading Using the Golden Cross
          • Using the 5-8-13 EMA Crossover for Short-Term Trades
        • Moving Momentum
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        • Percent Above 50-day SMA
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        • The Pre-Holiday Effect
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On this page
  • Applying Andrews' Pitchfork
  • Flexibility with Point 1 of Andrews' Pitchfork
  • Support, Resistance, and Reversal
  • Trigger Lines
  • The Takeaway
  • Using Andrews' Pitchfork With SharpCharts
  • Additional Resources
  • Stocks & Commodities Magazine Articles

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  1. Table of Contents
  2. Chart Analysis
  3. Chart Annotation Tools

Andrews' Pitchfork

Alan Andrews developed Andrews' Pitchfork, a useful tool for identifying trends and trend reversals. The three points of the pitchfork are based on reaction highs or lows, or pivot points.

PreviousChart Annotation ToolsNextStock Market Cycles

Last updated 12 months ago

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Andrews' Pitchfork is a trend channel tool consisting of three lines—a median trend line in the center with two parallel equidistant trend lines on either side. These lines are drawn by selecting three points, usually based on reaction highs or lows moving from left to right on the chart. As with normal trend lines and channels, the outside trend lines mark potential support and resistance areas. A trend remains in place as long as the Pitchfork channel holds; reversals occur when prices break out of a Pitchfork channel.

Applying Andrews' Pitchfork

The first step in using Andrews' Pitchfork is selecting three points to draw the trend lines. These points are usually based on reaction highs or lows, also called pivot points.

The chart below shows the Andrews' Pitchfork extending from the June low. The first point (labeled 1) marks the start of the median line. Points 2 and 3 define the width of the Pitchfork channel. The median line is based on two points: point 1 and the midpoint between points 2 and 3. The median line starts at point 1 and bisects points 2 and 3. This controls the slope (steepness) of the median line. The outside trend lines are then extended parallel to the median line.

The red Andrews' Pitchfork shows an alternative median line based on the July low for point 1. Notice that the red median line still bisects the line between points 2 and 3, but is steeper than the blue median line. The Pitchfork slope depends on the placement of point 1.

The chart below shows a downward-sloping Andrews' Pitchfork. The blue median line starts at point 1 and bisects the line between points 2 and 3. The outside trend lines are parallel and equidistant from the median line. For slope reference, the red Pitchfork uses the August low as point 1, which makes the median line steeper.

Flexibility with Point 1 of Andrews' Pitchfork

Sometimes, the median line needs adjusting to establish a realistic slope. Pitchforks that are too steep will be easily broken, and pitchforks that are too flat will not capture the trend.

The chart below shows an Andrews' Pitchfork extending higher from the late January low. Ideally, point 1 would be based on the low for the move. Points 2 and 3 would mark the first reaction high and first reaction low after point 1. However, a median line based on the late January low coincides with support in March (green arrows) and resistance in July (red arrows). More importantly, it creates a channel that contains price action for many months.

Notice that the stock price was overbought when it moved above the upper trend line of the Pitchfork. The trend fully reversed when it broke below the lower trend line.

The chart of Intuit (INTU) below shows two possible Pitchforks. The red Pitchfork was too steep. Notice that the trend didn't reverse when prices moved below the lower trend line in late April. The alternative was to base the median line on the mid-December low. This creates a flatter Pitchfork that is more realistic for an uptrend. As with normal trend lines, steep trend lines are more easily broken. The validity of the blue Pitchfork was confirmed when prices hit resistance at the upper trend line in early April and found support at the lower trend line in early May.

Support, Resistance, and Reversal

Pitchfork trend lines can provide support or resistance. In an uptrend, the lower trend line acts as a support to define the overall trend, the upper trend line acts as resistance, and the median line defines the trend's strength. Prices should reach the median line regularly during an uptrend. Failure to reach this line shows underlying weakness that could foreshadow a trend reversal.

The chart below shows Ciena (CIEN) moving higher within a rising Pitchfork. Notice how the lower trend line offers support and the median line offers resistance. Even though the stock met resistance at the median line throughout the uptrend, it reached this line a few times to affirm the uptrend. Failure to reach the median line would have shown underlying weakness.

CIEN broke the lower trend line with a sharp decline in November. Notice that this break held as the trend line then turned into resistance.

The chart below shows CSX Corp (CSX) with a pair of corrections identified by Andrews' Pitchfork. Both corrections formed after sharp advances. For the first correction, you could draw Andrews' Pitchfork after the early July high. Notice that prices did not break the median line in late July. Also, notice that prices held above the median line in August. This showed strength that led to a breakout in September. It was possible to draw the second correction after the early December high. Prices did move below the median line but soon recovered, and CSX broke resistance with a surge in January.

Trigger Lines

Andrews' Pitchfork also incorporates trigger lines, which are trend lines that originate at point 1. Upper trigger lines extend down from point 1 through the peak at point 3. A break above the upper trigger line is a buy signal. Lower trigger lines extend up from point 1 through the trough of point 2. A break below the lower trigger line acts as a sell signal.

The chart below shows a lower trigger line extending higher from the July low and an upper trigger line extending lower from the November high. These trigger lines are similar to normal trend lines drawn off two reaction highs or reaction lows. Signals from normal trend lines are usually generated much later than those generated by Pitchfork breaks.

The Takeaway

The steepness of the Pitchfork channel depends on the placement of the three drawing points, particularly point 1, which is the start of the median line. Even though point one usually starts with a reaction high or low, it is sometimes necessary to adjust point 1 to ensure a realistic price channel. Unfortunately, there are no hard rules for point placement. Instead, chartists must use judgment and experience when drawing channels. This is where the subjective nature of technical analysis comes into play.

As with most aspects of technical analysis, it's best to experiment with Andrews' Pitchfork to familiarize yourself with its application. Seeing what does or doesn't work firsthand is the best way to master an indicator.


Using Andrews' Pitchfork With SharpCharts

  • Select the Annotate button.

  • Select the Line Studies button.

  • From the Line Studies menu, select Andrews' Pitchfork.

  • Select the three points to draw the lines.

Below is an example of a chart annotated with an Andrews' Pitchfork.

Additional Resources

Stocks & Commodities Magazine Articles

Use the StockCharts to add Andrews' Pitchforks to your charts.

Learn More. To add this annotation to your charts, check out our Support Center article on .

Oct 1995 - Stocks & Commodities

Support & Resistance with the Andrews Pitchfork by Barbara Star
ChartNotes annotation tool
ChartNotes' Line Study Tools
An example of how to apply Andrews' Pitchfork in a stock's price chart.
Example of a downward-sloping Andrews' Pitchfork.
An example of a chart with two possible Andrews' Pitchforks.
An example of Andrews' Pitchfork acting as support or resistance levels.
Here, you see two Andrews' Pitchforks that formed after sharp advances.
The lower and upper trigger lines are trendlines that extend from point 1.
Draw Andrews' Pitchfork lines on a chart by selecting the three points.
Andrews' pitchfork applied to a chart from StockCharts.com that shows the three points, median line and width of the channel, for drawing the lines
A chart from StockCharts.com showing a downward-sloping Andrews' Pitchfork
Chart from StockCharts.com showing two possible Andrews' Pitchforks in a stock price chart
Chart from StockCharts.com showing an Andrews' Pitchfork acting as support or resistance levels
Chart from StockCharts.com showing trigger lines or trendlines that extend from point 1 of the Andrews' Pitchfork
Drawing Andrews' Pitchfork using StockCharts.com