Changing corporate exchange rates mid-month

Summary:

Corporate exchange rates have been loaded for January2023 but information provided was wrong and exchange rates need to be updated for the month.

Content (required):

Can someone provide an understanding of the impact of changing corporate exchange rates mid month?

Do existing January transactions get revalued or only future transactions?

What happens to account balances?

Will this cause reconciliation or continuity issues.

Is there a revaluation process that needs to be run?

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

Oracle Fusion 22D

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