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Take a look at this:

https://weisscryptocurrencyratings.com/news/4-bitcoin-bull-markets-big-lessons-learn-1308

The 4 main bull markets in bitcoin.

All 4 patterns have some similarities. Especially about the slow grind higher and then a short euphoric burst followed by a steep correction.

Hmm I think looking at patterns could be dangerous to predict the validity of bitcoin, and in general companies. It will all depend on if bitcoin will be become a mass adopted crypto currency.

When there are no cash flows, dividends, or earnings and everything is driven on emotions and speculation, patterns likely play an even bigger role.