If someone gives you an exact date, how would you know if they are telling the truth? Nobody knows the future.
It can all collapse to $1K in a month or keep going to $50K. And if someone actually knew, they would stand to make huge money and would keep their mouth shut.
You can sort of estimate it. It comes down to cash flow - if people are trying to invest more cash into bitcoin than they are taking out it'll go up. When people are trying to cash out more than is going in it will fall. At the moment there are a huge number of people seeing the headlines and thinking I should get in on this who have not yet so there's a while to go. The closet to this I can recall was the dot com bubble and I'd say this feels like 98 or 99 so I'd give it a year or two. BTC $100k here we come!
It can all collapse to $1K in a month or keep going to $50K. And if someone actually knew, they would stand to make huge money and would keep their mouth shut.