There is a long history of research into the impact of trading activity and information on financial market volatility. Based on 10 years of unique data on news items relating to gold and crude oil broadcast over the Reuters network, this study has two objectives. It investigates the impact of...

This paper extends the option pricing equations of Black and Scholes [1973. Journal of Political Economy 81, 637–654], Jarrow and Madan [1997. European Finance Review 1, 15–30] and Husmann and Stephan [2007. Journal of Futures Markets 27, 961–979]. In particular, we show that the length of...

Purpose – The purpose of this paper is to investigate the relationship between option’s implied volatility smirk (IVS) and excess returns in the Germany’s leading stock index Deutscher-Aktien Index (DAX) 30. Design/methodology/approach – The study defines the IVS as the difference in...