This paper investigates the motive of option trading. We show that option trading is mostly driven by differences of opinion, a finding different from the current literature that attempts to attribute option trading to information asymmetry. Our conclusion is based on three pieces of empirical...

This paper examines the information contents of trading activities in the corporate bond market prior to earnings announcements. We find that the direction of pre-announcement bond trading is significantly related to earnings surprises. Such linkage is most evident prior to negative news and in...