Yes, transferring your existing portfolio to BUX is possible*. If you would like to make use of that service, please reach out to our support team via the in-app chat or send an email to support@bux.com.
We do not offer the service to transfer your portfolio away from BUX to another broker at this point.
*When transferring to BUX, there are certain assets that cannot be transferred, if you have any doubts about whether we can transfer your assets or not, we recommend to you to contact our customer service team.