From this chart, can be found that Bullish Shark Within Bullish Channel. This one of example for Bullish Retracement Patterns within Bullish Trend Channels shown in Harmonic Trading: Volume Two, Page 124 until Page 126 written by Scott M Carney.
Bullish Harmonic Pattern in Bullish Channel or Ascending Channel may indicate continuation pattern in Channel or rather as confirmation to show that price will go up.
To simplify, M pattern within Ascending Channel indicates that price will go up in continuation.
Noted that Shark is Harmonic Pattern that use Reciprocal AB=CD.
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