In theory, when supply is cut and demand remains, prices will rise. But what is your thought? Do you guys think it will go up
Yes it will, that is the basic theory to understand about halving event.
As an amplifier, when you look at the privous halving event the price of bitcoin was always went up drastically, you can see it by yourself.
So those things are make sense when you put a high hope for this event and there is no wronb when you spend a lot of money to buy bitcoin from now.