Showing 1 - 10 of 283
An investor faced with a contingent claim may eliminate risk by (super-)hedging in a financial market. As this is often …-)hedge, depending on the accepted level of shortfall risk. -- risk management ; stochastic volatility ; shortfall risk ; Hedging …
Persistent link: https://www.econbiz.de/10009579176
study the question what an investor can do who is unwilling to spend that much, and who is ready to use a hedging strategy … which succeeds with high probability. -- Hedging ; superhedging ; Neyman Pearson lemma ; stochastic volatility ; value at …
Persistent link: https://www.econbiz.de/10009574876
Daily returns of financial assets are frequently found to exhibit positive autocorrelation at lag 1. When specifying a linear AR(l) conditional mean, one may ask how this predictability affects option prices. We investigate the dependence of option prices on autoregressive dynamics under...
Persistent link: https://www.econbiz.de/10009580460
Using option prices the expectations of the market participants concerning the underlying asset can be extracted as well as the uncertainty surrounding these expectations. In this paper a mixture of lognormal density functions will be assumed to analyze options on three-month Euribor futures for...
Persistent link: https://www.econbiz.de/10009614294
This paper is devoted to the problem of hedging contingent claims in the framework of a complete two-factor jump … determine the unique hedging strategies which minimize a suitably defined shortfall risk under a given cost constraint. We … derive explicit formulas for this so-called efficient or quantile hedging strategy for a European call option. We then …
Persistent link: https://www.econbiz.de/10009621417
People dislike inflation because inflation erodes the real value of future nominal income and wealth. Adjustment of future nominal values via a cost of living index is an appropriate way to handle the problem of real income risk. Nonetheless an important aspect needs more discussion: If markets...
Persistent link: https://www.econbiz.de/10009612030
currency basket, i.e. a linear combination of foreign currencies. In line with the mean-variance hedging approach, we determine …. The different estimators are compared with profit based criteria. -- exchange rates ; mean-variance hedging ; adaptive …
Persistent link: https://www.econbiz.de/10009613598
Persistent link: https://www.econbiz.de/10009632600
analysis relies on the non-linear integration theory of such semimartingale families. The Itô-Wentzell formula is used to prove …
Persistent link: https://www.econbiz.de/10009625800
It is common practice to identify the number and sources of shocks that move implied volatilities across space and time by applying Principal Components Analysis (PCA) to pooled covariance matrices of changes in implied volatilities. This approach, however, is likely to result in a loss of...
Persistent link: https://www.econbiz.de/10009613597