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difficulties for the use of Fourier inversion methodologies in volatility surface calibration. Continuous time Markov chain …
Persistent link: https://www.econbiz.de/10012022144
useful in the pricing of derivative securities where the implied stock price volatility cannot be observed. …The valuation of options and many other derivative instruments requires an estimation of exante or forward looking … volatility. This paper adopts a Bayesian approach to estimate stock price volatility. We find evidence that overall Bayesian …
Persistent link: https://www.econbiz.de/10011555938
This paper proposes the sample path generation method for the stochastic volatility version of the CGMY process. We …
Persistent link: https://www.econbiz.de/10012484130
We explore optimal hedge ratios and hedging effectiveness for the German electricity market. Given the increasing attention that wavelets received in the financial market, we concentrate on the investigation of the relationship, covariance/coherence evolution and hedge ratio analysis, on a...
Persistent link: https://www.econbiz.de/10011555959
trading around quarterly earnings announcements is either directionally motivated and/or volatility motivated. We found … volatility-motivated option trading, and our results suggest that this type of option trading could be motivated by hedging …
Persistent link: https://www.econbiz.de/10012818141
Since the collapse of the Metallgesellschaft AG due to hedging losses in 1993, energy practitioners have been concerned with the ability to hedge long-dated linear and non-linear oil liabilities with short-dated futures and options. This paper identifies a model-free non-parametric approach to...
Persistent link: https://www.econbiz.de/10012626875
. Specifically, we use swarm intelligence to find the optimal exercise boundary for an American-style derivative. Swarm intelligence …
Persistent link: https://www.econbiz.de/10012483653
-AGARCH) model to examine both return and volatility spillovers from the USA (developed) and China (Emerging) towards eight emerging … calculate the optimal weights and hedge ratios for the stock portfolios. Our results reveal that both return and volatility … volatility was transmitted from the USA to the majority of the Asian stock markets during the Chinese stock market crash …
Persistent link: https://www.econbiz.de/10012388066
This study uses the BEKK-GARCH model to examine the return-and-volatility spillover between the world-leading markets … during the global financial crisis and the crash of the Chinese stock market. Regarding volatility spillover, the results … show the bidirectional volatility transmission between the US and the stock markets of Chile and Mexico during the global …
Persistent link: https://www.econbiz.de/10012309325
The popular replication formula to price variance swaps assumes continuity of traded option strikes. In practice, however, there is only a discrete set of option strikes traded on the market. We present here different discrete replication strategies and explain why the continuous replication...
Persistent link: https://www.econbiz.de/10011855148