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.
wells fargo mortgage $16.76
erie insurance $16.75
fast payday loan $16.75
credit counseling $16.70
mortgage leads $16.60
vehicle insurance $16.56
credit reports $16.45
consumer credit counseling $16.41
health insurance virginia
$16.38 credit card offers $16.35
education loans $16.35
mortgage $16.32
visa credit card $16.30
mortgage lender $16.30
chase bank mortgage $16.29
arkansas loan $16.26
credit card low interest $16.20
international health insurance $16.13
credit repair $16.11
quick loan $16.10
student credit card $16.09
fast loan $16.04
new york loan $16.02
life insurance policy $15.96
jumbo mortgage $15.88
best credit card $15.87
payday loan $15.85
insurances $15.84
alternative loan $15.83
FINANCIAL KEYWORDS 13