Basic Chart Analysis Trends, trading ranges, and support and resistance
Trang 1Basic Chart Analysis: Trends, trading ranges, and support andresistance
Chart pattern myth vs reality
To the general public, the terms "technical analysis"and "chart analysis" usually bring to mind images oftraders poring over price charts, deciphering hidden
To many, the term "chart analysis" brings to mind images of traders poring over price charts, deciphering hidden patterns in much the sameway a fortune tellerwould read tealeaves
patterns in much the same way a fortune teller would read tea leaves.Actually, despite the sometimes colorful names given to chart patterns, chart analysis has a very common-sense goal: to locate price trends, congestion areas, and points where trends are likely to reverse "Patterns" can consist of a single price bar or dozens, and can trigger trades that last a few hours or a few
months To start, we'll focus on a few major price patterns that illustrate the most important principles of chart analysis.
Keep in mind that many, if not most of the concepts we will discuss here are equally applicable to intra-day, daily, weekly, or monthly charts However, certain patterns, especially those that revolve around the open or closing prices,will be relevant only on the daily time frame.
Trang 2Trends
Trang 3Trend is one of the most important concepts in charting and technical analysis All technical trading techniques essentially consist of one of the followingapproaches:
Identifying trends after they have developedand trading in their direction (buying into thebeginning of an uptrend or selling into the beginning of a downtrend)
Catching the
precise beginnings and ends of all trends is
unrealistic;
fortunately, you do not need to
Entering trends after they have begun on corrections (or pullbacks) Identifying reversal points where trends seem likely to end and trading
in the opposite direction (selling into the end of an uptrend or buying intothe end of a downtrend)
Of course, catching the precise beginnings and ends of all trends is unrealistic;fortunately, you don't need to But as a technical trader interested in finding profitable price moves, you are always concerned with price trends on a certain level, whether they last a few hours or several months.
It is easy to intuitively understand what a price trend is: a continuing series of daily (or hourly, weekly, monthly, and so on) price advances or declines A standard definition of a trend is a series of higher price highs and price lows (foran uptrend) or lower price highs and price lows (for a downtrend) The daily barchart in Figure 1 illustrates this definition of an uptrend.
Figure 1 Sun Microsystems (SUNW), daily Uptrend preceded by trading range and
Trang 4punctuated by corrections, or pullbacks Source: Omega
It is obvious from this example that even though the market is clearly in a strong overall uptrend, the rally is punctuated by occasional counter-trend downswings (corrections, pullbacks pick your term), the most notable occurring between January and February 1999 (This correction happened to
take the form of a triangle, a pattern we will discuss in a future article.) A
trading range, or congestion period (see next section) preceded the uptrend.
Points A, B, C and D correspond to some of the more notable highs and lows throughout this uptrend, the largest of which (C and D) are referred to as
relative (or "reaction," or "swing") highs and lows Figure 2 shows a downtrend
on a 15- minute chart A, B, C and D mark some of the relative highs and lows on this chart.
Figure 2 America Online (AOL), 15-minute Downtrend and relative highs and
lows Source: Quote.com.
Of course, trends are relative, depending on the time frame you consider Figure3 shows a somewhat random market that drops dramatically toward the end of a roughly three-month period on a daily chart While this might not qualify as a downtrending market (until the steep sell-off at the end), it is definitely not an uptrend.
Trang 5Figure 3 Cisco (CSCO), daily Sideways price action ending with sharp break Source:
Omega Research.
This underscores the importance of putting market action in context by
consulting different time frame charts Price action on a weekly or monthly chart may determine whether or not you establish a position on a daily chart; behavior on a daily chart will similarly influence your choices on an intraday basis.