Yes, if you are eligible and do not wish to receive Cash Optimiser Interest. After your account is opened, you may opt out at any time directly through the app: Webull App > Webull Logo > Account > Cash Optimiser > Click Close
Note: Opting out means that you will no longer receive Cash Optimiser Interest. It does not alter how Webull holds your cash, nor does it affect your ability to trade, withdraw, or otherwise use your trading account.