In my opinion cryptocurrency have patterns to learn. When it will raise and when it will goes down. You can see the history of the chart and make a analysis on it. For example, the price of one or some coin raised up in the end of year. When at Q1 the price start goes down. This thing can happen again in the next year. But maybe in different price.
to know for sure I don't think that I think if we analyze from the previous year's graph as an example last year the end of the crypto currency has increased quite rapidly and yet this year has experienced a very rapid decline so in my opinion the previous chart has no effect and can be a guideline