Two Week cycles in Crypto Market?

I wanted to see if there was a two week cycle happening in cryptocurrency since January 2021. Certainly seems like the first half of the month is when all the gains are made. This 2 Week interval chart of the TOTAL Cryptocurrency (Large Cap Index) is showing us confirmation that the past 18 weeks have been alternating between red and green fairly consistently.
CryptocurrencyEconomic Cycles

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