No. Read this description of a "classic" cup and

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The construct of the cup itself is also important: it should be a nicely rounded formation, similar to a semi-circle. The reason is that a cup-and-handle pattern is a signal of consolidation within a trend, where the weaker investors leave the market and new buyers and resolute holders stay in the security. If the shape of the cup is too sharp (or quick), it is not considered a true consolidation phase in the upward trend and thus weakens the potential trade signal.

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