Lengthening cycles?

Updated
Looking at this idea for BTC .

If the lengthening cycle theory holds true (which it has so far), we could see a cycle top somewhere around summer of 2023.
Also, historically, BTC reacts to the 50 week MA with a modest 50-70% growth, at least. So, expecting a relief rally in the short term before another rundown to test the 200 week MA. The long term trend of this cycle remains untested. A retest of the trend and the 200 week MA would present a great buying opportunity.

PS: This is just for research purposes.
All TA i publish is for me to document my learnings.
None of this should be taken at face value. Please DYOR.

Also, any comments or criticism on the idea are highly welcomed.
Note
11th Aug update - Relief rally played out as analysed.
Now, time for the rundown.
Trend Analysis

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