How do I stop Exchange?

Could you please elaborate on what you mean by "stop Exchange"? Are you referring to ceasing operations with a cryptocurrency exchange platform? If so, there are several steps you can take, depending on your situation. For example, if you're an individual trader, you can simply stop using the platform and withdraw your funds. If you're a business owner or operator of an exchange, shutting down the exchange involves more complex steps, such as complying with regulatory requirements, notifying users, and liquidating assets. Could you please clarify your situation so I can provide a more specific answer?