Bedingte Aktiengeschäfte sind solche, die nur bei Eintritt einer Bedingung wirksam werden, z. B. bei einer Übernahme oder der Wahl eines bestimmten Vorstandsvorsitzenden. Damit lassen sich Alternativen bewerten und Entscheidungen besser treffen.

In this paper, we introduce two classes of indices which can be used to measure the market perception concerning the degree of dependency that exists between a set of random variables, representing different stock prices at a fixed future date. The construction of these measures is based on the...

This paper states that market sentiments are central to any financial data analysis. A vivid distinction is made between studying financial data in terms of the concept of volatility and in rapport to analysing financial data in terms of market sentiments. The former is an existing approach that...

Aggregate implied volatility spread (IVS), defined as the cross-sectional average difference in the implied volatilities of at-the-money call and put equity options, is significantly and positively related to future stock market returns at daily, weekly, monthly, to semiannual horizons. This...

A decent budgetary portfolio is nothing more, and nothing less, than an accumulation of advantages that develop in quality and produce abundance money for the financial specialist to spend or reinvest. Markowitz (1959) is one of the pioneers of present day portfolio hypothesis. Generally, the...

We study heterogeneity in the comovement of corporate bonds and equities, both at the bond level and at the firm level. Using an extended Merton model, we illustrate that corporate bonds that mature late relative to the rest of the bonds in its issuer's maturity structure should have stronger...

This paper addresses the relationship between stock markets and credit default swaps (CDS) markets. In particular, I aim to gauge if the co-movement between stock prices and sovereign CDS spreads increases with the deterioration of the credit quality of sovereign debt. The analysis of...

Using local linear regressions based on Russell index reconstitution, we examine how option price efficiency is affected by stock market indexing. We find that put-call parity deviation, a proxy for options price efficiency, is significantly smaller if a stock is at the top of the Russell 2000...

We examine stock return predictability of "Out-of-The-Money (OTM) put-to-OTM call trading volume ratio" (OTMPC). Our numerical analysis predicts that informed investors hardly write OTM options because the leverage effect is not sufficient to compensate for transaction costs. OTMPC, thus,...