How about Huobi? Because I remember in a few years ago before the first halving, Huobi was a place for Chinese traders to buy and sell bitcoin. Although they don't have any exchanges, at least, the traders from China can trade in any exchanges.
But if the price can rise before halving, then I think many people will wait for that time, and I am sure they will surely prepare their bitcoin in the order sell at the highest price.
Many people can spread the news about bitcoin will rise, but we don't know the right thing about what will happen later so I think we can prepare by ourselves, and we can calm down for anything that can happen later.