# Decoding Wedge Patterns

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There is a strong bias about chart patterns and their interpretation in the technical analysis space. It is a very common belief that a rising wedge forms bearish sentiment and a falling wedge forms bullish sentiment. Is that really true and how much we can rely on such bias?

In order to understand this, we need to dig a little bit about how such concepts could have come into the picture. The best I could get on the internet is an article from Investopedia that explains few technical reasons and constraints of using these patterns.

Through the Lens of Diagonal Waves

But, when I was studying the concepts of waves, this is what I found from one of the sources I referred to about diagonal waves:
ewtaf.com/rules-and-...guidelines/diagonal/

Details are summarised and explained in the below diagram

The summary here is, Diagonal waves of contracting types are the same as that of Contracting Wedge patterns. And the diagonal waves of Expanding types represent expanding wedge chart patterns.

Diagonal Waves can appear as sub-waves in multiple parts of the entire Elliott Wave. And here are our scenarios

Leading diagonals are diagonal waves that can appear towards the start of a trend. This can be
• Wave 1 of an Impulse Wave - This is the start of a new trend. Avoid trading these wedges as they can be short pullbacks. Or better look for pullback and trading opportunities in the direction of the wedge.
• Wave A of a Zigzag Wave - This can lead to a possible bull trap or bear trap. The corrective wave is likely to continue after a small pullback

Ending Diagonals
Both expanding and contracting types can be ending diagonals. Can appear as
• Wave 5 of an Impulse Wave - Meaning the trend is coming towards possible exhaustion.
• Wave C of zigzag or flat - Correction or pullback is coming to an end and the trend is likely to continue

Wolfe Wave
Wolfe wave is a rule built on top of wedge patterns to identify time-bound targets. The idea of generating targets and stops based on the Wolfe Wave is as shown below:

Further, here are a few indicators developed in Pinescript that can help do them automatically.

Takeaways
Here are a few things we learnt from our study.