Well moving within organisation has multiple aspects to it, I.e is okay leader okay with the move? Or
If the leader from the new team is ok with you on his/her team. Assuming your organisation is supportive of individual career growth by allowing them to move internally. You should have a candid conversation with your leader showing that while you are doing great in your current role, but would like to contribute to e organisation by joining your calling and why you think that’s a good fit. Once this is done start having exploitation calls with future leaders and why you want to learn the new skill and how you can be a good team fit. After this it is all about internal transition (assuming both leaders are aligned)
I believe JP Morgan should have a good internal transition mechanism. If your manager is not okay with the move then you need to start having conversations with future leaders, anyway you will eventually move