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Subject 4. Common Chart Patterns PDF Download
Chart patterns signal to traders that the price of a security is likely to move in one direction or another when the pattern is complete.

The difficulty in identifying chart patterns and their subsequent signals is that chart use is not an exact science. In fact, it's often viewed as more of an art than a science. While there is a general idea and components to every chart pattern, price movements do not necessarily correspond to the pattern suggested by the chart. This should not discourage potential users of charts; once the basics of charting are understood, the quality of chart patterns can be enhanced by looking at volume and secondary indicators.

There are two types of charts.

  • A reversal pattern signals that a prior trend will reverse on completion of the pattern.
  • Conversely, a continuation pattern indicates that the prior trend will continue onward upon the pattern's completion.

Reversal Patterns

The head and shoulders pattern looks like a head with two shoulders. It is formed by a peak (shoulder), followed by a higher peak (head), and then another lower peak (shoulder). A "neckline" is drawn by connecting the lowest points of the two troughs.

The pattern is considered to be a trend-reversal pattern, as the security heads down after the pattern's completion.

Volume plays an important role in confirmation as the head and shoulders pattern unfolds. Ideally, but not always, volume during the advance of the left shoulder should be higher than during the advance of the head. This decrease in volume and the new high of the head together serve as a warning sign. The next warning sign comes when volume increases on the decline from the peak of the head. Final confirmation comes when volume further increases during the decline of the right shoulder.

We can also calculate a target by measuring from the high point of the head to the neckline. This distance is approximately how far the price will move after it breaks the neckline: Price target = Neckline - (Head - Neckline)

Inverse head and shoulders pattern: The name speaks for itself. It is basically a head and shoulders formation, except this time it's upside down. The price target is: Neckline + (Neckline - Head).

A double top pattern is created when a price movement tests resistance level twice and is unable to break through. The trend then reverses and the price heads down.

In the case of a double bottom, the price movement has tried to go lower twice but has found support each time. After the second bounce off of the support, the security enters a new trend and heads upward.

Similarly, triple tops and triple bottoms can be formed.

Continuation Patterns

Continuation patterns indicate a pause in trend and indicate that the previous direction will resume after a period of time.

The basic construct of the triangle pattern is the convergence of two trendlines - flat, ascending, or descending - with the price of the security moving between the two trendlines. There are three formations:

  • The ascending triangle is a bullish formation that usually forms during an uptrend. Two or more equal highs form a horizontal line at the top. This line represents overhead supply that prevents the security from moving past a certain level. Two or more rising troughs form an ascending trend line that converges on the horizontal line as it rises. Even though the price cannot rise past this horizontal line, the reaction lows continue to rise. It is these higher lows that indicate increased buying pressure and give the ascending triangle its bullish bias.

  • The descending triangle is a bearish formation that usually forms during a downtrend. Two or more comparable lows form a horizontal line at the bottom. The horizontal line represents demand that prevents the security from declining past a certain level. Two or more declining peaks form a descending trend line above that converges with the horizontal line as it descends. Even though the price does not decline past this level, the reaction highs continue to decline. It is these lower highs that indicate increased selling pressure and give the descending triangle its bearish bias.

  • The symmetrical triangle, which can also be referred to as a coil, usually forms during a trend as a continuation pattern. The pattern contains at least two lower highs and two higher lows. When these points are connected, the lines converge as they are extended and the symmetrical triangle takes shape.

The rectangle pattern is easily identifiable by two comparable highs and two comparable lows. The highs and lows can be connected to form two parallel lines that make up the top and bottom of a rectangle.

Rectangles represent a trading range that pits the bulls against the bears. As the price nears support, buyers step in and push the price higher. As the price nears resistance, bears take over and force the price lower.

Finally, price will break out of the rectangle's range, either by moving through support or resistance. If the prior trend was an uptrend, the most likely direction will be up; if the prior trend was a downtrend, the most likely direction will be down.

Flags and pennants are short-term continuation patterns that mark a small consolidation before the previous move resumes.

  • A flag is a small rectangle pattern that slopes against the previous trend.
  • A pennant is a small symmetrical triangle that begins wide and converges as the pattern matures (like a cone). The slope is usually neutral.
  • There is little difference between a pennant and a flag.

    User Contributed Comments 8

    User Comment
    sgossett86 i'm surprised CFA textbooks don't cover the slant eyed susan or the triple axle quadruple or even the quintruple support daily bypass reversal pentagon.
    Shaan23 Yeah I was actually hoping they would cover the Triple H reversal drive
    jmorris teaching technical analysis in the CFA curriculum is like teaching creationism in science class
    thebkr7 @Guest, while I am not a supporter of TA you should learn the importance of moderation of one's criticism if you are entering the financial industry.
    farhan92 @Shaan23 thats covered in Level II apparently...
    sshetty2 Looooooool
    akhlo This reminds me of people taking notes when playing baccarat in the casino...
    mikeymouse lets play some stocks
    You need to log in first to add your comment.
    Your review questions and global ranking system were so helpful.


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