It's possible as long as bitcoin price will soar up high too, if we are talking about USD value then it really needs bitcoin to go up too.
If we will base on more fundamental analysis, YES, it's possible that BNB can go more than $300. Since Binance is the most famous exchange nowadays and they will continue their services and more project they will do, then it's easy to go more than $300, but if they will involve in some fraud or security breaches may happen to their system, could lead to a huge dump.