Brad Delong looks at Paul Ryans trading records in 2008, and concludes that he had to be trading on information from the Federal Reserve and the Treasury:

I don’t want to hire as my vice president and federal budget czar somebody who uses Congressional inside information to profit by switching his portfolio back and forth between Citigroup and Goldman five times a year: I want somebody with better ethics.

I don’t want to hire as my vice president and federal budget czar somebody who investing very part-time with no analytical support and without inside information switches his portfolio back and forth between Citigroup and Goldman five times a year: I want somebody with a better brain.

Look at the trades. He’s clearly trading on inside information.