BTC shot up so high so fast in 2017 because it was overly hyped that even people who don't know a single thing about it just registered a Coinbase account and did a buy order.
So you're question is: "Why.... it is not boost up again.......". Simple, it's because not that much people are buying bitcoin. And if you're not willing to wait for another price rise that's hopefully a lot more sustainable, then go sell your bitcoin. Investing is not for the impatient.
Regards
Matrix.Max
(Formally know as Dvyanc)
Sr. Member of Bitcoin Community.
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Trillions were dumped into COVID, some 7% of COVID funds went into BTC, so 2020 saw the rise up to $66k by by March 2021, this isn't going to happen, now BTC will slowly dwindle to base of $10k, it already broke the $30k,
Where will the new sucker money come? BTC always trys to find new suckers, look at CHIA, they brought in an entire new base of 'green woke' suckers, that's where the growth will be, BTC is now dinosaur old fart crypto.