Standard price discovery measures, particularly information shares, rely on the concept of co-integration for non-stationary time series. For the definition of information shares, the existence of a permanent impact of innovations is crucial, as these shares measure the relative contribution of...

Measuring the performance of stock portfolios that include options is challenging due to options' nonlinearity in the underlying, their exposure to volatility risk, and their time decay. Our contribution to the literature is twofold: First, we provide a theoretically rigorous derivation of the...

In several countries, classical options markets coexist with markets for bank-issued options, also termed warrants. It is an open question if warrant issuers purely adopt options market information about future volatility or if they contribute to volatility discovery by their own. As a result,...

In the past few years, the trading volume has steadily increased on the continuous intraday market of EPEX Spot, one of Europe's most important exchanges for short-term electricity trading. This is to a significant extent due to renewable energies in the form of solar and wind power, whereby...

We analyze retail order flow in terms of intra-day feedback trading patterns. Using a unique data set of exchange trades and high-frequency quotes, we first provide evidence that retail investors actively and consciously respond to short-term intra-day returns in a negative feedback, contrarian...