I’m on the regulatory side myself (have been for my entire career), but I’m in the field reviewing the commercial credit portfolio. I know plenty of people that have obtained their charter, despite having only worked in regulation. It’s going to depend on how you phrase your candidate assessment of work experience, and how your superiors can support what you have said. I can see how you can discuss how making/modifying policies is relevant to the investment industry because it requires you to have a working knowledge of investments, capital ratios, modeling, blah blah blah. Good luck
On a side note, did you find the CAIA to be worth the effort involved? Thanks.