Introduction to Diagonals – Part 1


Diagonals are part of the motive waves family alongside Impulse Waves. The difference with them is that they have slightly different characteristics and some rules do not apply. Rules such as 4 wave not going into wave 1’s territory and this is a must in order to quality as a Diagonal.

There are two types: Ending Diagonals and Leading Diagonals.

Ending Diagonals

Ending Diagonals show themselves in wave 5 and sometimes in wave C. This usually occurs after strong price action in the preceding wave’s within the same degree.

Wave 3 is still never the shortest wave, but it is usually shorter than wave 1. Therefore, wave 5 is usually the shortest wave. As mentioned above wave 4 goes into wave 1’s territory and can retrace up to 78.6% according to Elliott’s guidelines.

One of the best ways to spot an Ending Diagonal is that it would be unfolding in a wedge-shaped form with trendlines converging. To add confluence, you can also spot divergence in momentum indicators such as the RSI.

Here is an idealised diagram of a Contracting Ending Diagonal

Contracting Ending Diagonals

You can see from the above example that the price action consists if shallow highs and deep retracements.

Expanding Ending Diagonal

These are very rare, but they are out there. Instead of price action contracting, you can spot Ending Diagonals that are expanding instead. They usually appear in either higher timeframes or very low timeframes. Extremely rare in most common timeframes such as Daily, H4 – H1.

Expanding Ending Diagonals

This happens when wave 3 is very strong and wave 4 retraces deep. You can notice that instead of the trendlines converging, they are now diverging. Other than that small detail – they are exactly the same as contracting diagonals.

My advice to traders and analysts for ending diagonals is that – there may also be an alternative pattern or labelling available prior to confirming that a specific wave is a Diagonal.

You can read into Ending Diagonals in further detail in our 

In the next part I will be covering Leading Diagonals.

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