NEP 32 to remove the financial functions (https://numpy.org/neps/nep-0032-remove-financial-functions.html) has been accepted. The next step is to create the numpy-financial package that will replace them. The repository for the new package is https://github.com/numpy/numpy-financial.
I have a work-in-progress pull request there to get the initial structure set up. Reviews of the PR would be helpful, as would contributions to set up Sphinx-based documentation, continuous integration, PyPI packaging, and anything else that goes into setting up a "proper" package. Any help would be greatly appreciated!