Here is a detailed list of top paying google adsense keywords from financial sector. This is probably the best paying niche along with medical field. The data is obtained directly from google's tools itself. But no claims are made about the accuracy of the data, due to the volatile nature of the adwords keyword bidding.
fix credit
$11.07
business health insurance
$11.06
get rid of debt
$11.06
credit card services
$11.05
debts
$11.02
mortgage protection
$11.01
debt assistance
$11.01
consumer credit report
$10.99
students loan
$10.99
credit card applications
$10.97
low income mortgages
$10.96
ga loan
$10.96
credit cards rewards
$10.92
mortgage tables
$10.92
poor credit rating
$10.91
american family insurance
$10.76
consumer credit debt
$10.76
FINANCIAL KEYWORDS 4