changing default movement member

Summary:

Client would like to change default movement member for some accounts and have it reflected in history

Content (required):

It appears that if the defualt movement member is changed, it only takes effect with the next data load. is there a way to have this change be reflected in prior periods without reloading data?

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):