ANALYZING CHART PATTERNS: FLAGS AND PENNANTS
The flag and pennant patterns are two continuation
patterns that closely resemble each other, differing only in their shape during
the pattern's consolidation period. This is the reason the terms flag and pennant
are often used interchangeably. A flag is a rectangular shape, while the
pennant looks more like a triangle.
These two patterns are formed when there is a sharp
price movement followed by generally sideways price movement, which is the flag
or pennant. The pattern is complete when there is a price breakout in the same
direction of the initial sharp price movement. The following move will see a
similarly sharp move in the same direction as the prior sharp move. The
complete move of the chart pattern - from the first sharp move to the last
sharp move - is referred to as the flag pole.
The flag or pennant is considered to be flying at
half-mast, as the distance of the initial price movement is thought to be
roughly equal to the proceeding price move. The reason these patterns form is
that after a large price movement, the market consolidates, or pauses, before
resuming the initial trend.
The Flag
The flag pattern forms what looks like a rectangle. The
rectangle is formed by two parallel trendlines that act as support and
resistance for the price until the price breaks out. In general, the flag will
not be perfectly flat but will have its trendlines sloping.
The flag pattern
In general, the slope of the flag should move in the
opposite direction of the initial sharp price movement; so if the initial
movement were up, the flag should be downward sloping.
The buy or sell signal is formed once the price breaks
through the support or resistance level, with the trend continuing in the prior
direction. This breakthrough should be on heavier volume to improve the signal
of the chart pattern.
The Pennant
The pennant forms what looks like a symmetrical
triangle, where the support and resistance trendlines converge towards each
other. The pennant pattern does not need to follow the same rules found in
triangles, where they should test each support or resistance line several
times. Also, the direction of the pennant is not as important as it is in the
flag; however, the pennant is generally flat.
The Pennant
General Ideas
While the construct of the pause in the trend is
different for the flag and pennant, the attributes of the chart patterns
themselves are similar. It is vital that the price movement prior to the flag
or pennant be a strong, sharp move.
Typically, these patterns take less time to form during
downtrends than in uptrends. In terms of pattern length, they are generally
short-term patterns lasting one to three weeks, but can be formed over longer
periods.
The volume, as with most breakout signals, should be
seen as strong during the breakout to confirm the signal. Upon breakout, the
initial price objective is equal to the distance of the prior move added to the
breakout point. For example, if a prior sharp up movement was from Rs 30 to Rs 40,
then the resulting price objective from a price breakout of Rs 38 would be Rs 48
(Rs38+Rs10).
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