This is a list with the top Finance blogs that accept guest posts, I have handpicked one by one these blogs and the majority of them are PR3+ with a lot PR5+ and low alexa ranking.
Additionally I will give you a resource with 6 articles that will help you get the most of guest blogging.
If you want to guest post on finance blogs and you struggle to find worthy blogs you must have this list. You will not find a better list on the finance niche