Flag Bearish Chart Pattern
Important Characteristics
Following are important characteristics for this pattern.
Trendlines
Flags are very similar to Pennants. However, with a Flag, the price trendlines tend to run parallel, whereas with a Pennant, the price trendlines tend to converge. John J. Murphy notes that a price drop below the lower trendline may indicate the resumption of the downtrend.
Volume
As the Flag develops, the volume tends to decrease. However, you will often notice a sharp spike in volume at the end of a Flag, whether it is bearish or bullish.
Duration of the Pattern
Martin Pring notes in his book, Technical Analysis Explained that "Flags can form in a period as short as 5 days or as longs as 3 to 5 weeks." John J. Murphy identifies that Flags "often last no longer than one or two weeks."
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