Yes, it's a bubble no doubt about it
(insert sarcasm here). 
2017 - it went as high as $19k, bubble burst
2021 - it went as high as $63k, bubble burst
2025 - it went as high as $123k? bubble burst?
Oh wait, yeah it bubble but then every other 4 years it came alive to make another big bubble and so life goes on and it could still give us the biggest bubble of them all if it hits $1 million in the future.