Obviously, this won't go on indefinitely, but given the current situation, it's not impossible for BTC to reach its ATL around 50k as mentioned in your study.

"January: BTC drops below €100k
February: below €90k
March: below €80k
April: below €70k
According to you, what is the logical continuation?"
The question posed by @MrMeudiz MrMeudiz is as clear as it is striking. It highlights an apparently regular monthly drop of Bitcoin, observed in euros since the beginning of the year.
But before answering, let's start by factually checking if this reading corresponds to the reality of the market.

1. Verification of monthly claims