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The contemporary refining sector has to contend with many types of risks, among which price risk is considered to be the foremost. Moreover, refineries define it as a commodity risk and identify it with both opportunities and threats carried by changes in prices of crude oil and products of...
Persistent link: https://www.econbiz.de/10012027171
metal price series is investigated, as well as time-varying volatility. The results demonstrate that allowing for jumps and … time-varying volatility provides statistically important improvements in the modelling or prices, relative to GBM. These …
Persistent link: https://www.econbiz.de/10012038566
In this paper, we propose an easy-to-use yet comprehensive model for a system of cointegrated commodity prices. While retaining the exponential affine structure of previous approaches, our model allows for an arbitrary number of cointegration relationships. We show that the cointegration...
Persistent link: https://www.econbiz.de/10011507774
volatility. We show that the zero order term in the expansion coincides with the Schwartz (1997) two factor term, with expected … long-term volatility replacing the constant volatility term, and provide an explicit expression for the first order …
Persistent link: https://www.econbiz.de/10012979337
Today there are many equity derivatives that are traded on organized and over-the-counter markets. The models that allow market participants to value them and manage the associated risks on a daily basis are numerous. The idea of this study is, for vanilla equity options, to understand the Black...
Persistent link: https://www.econbiz.de/10012916312
Persistent link: https://www.econbiz.de/10011589520
The article aims to provide an overview of the derivatives market, with a focus on forward and futures contracts. In addition to general concepts, the study explores practical concepts such as daily settlement, margin requirements, basis, and price formation, with current examples from the...
Persistent link: https://www.econbiz.de/10014344304
Persistent link: https://www.econbiz.de/10011399615
Commodity markets present several challenges for quantitative modeling. These include high volatilities, small sample data sets, and physical, operational complexity. In addition, the set of traded products in commodity markets is more limited than in financial or equity markets, making value...
Persistent link: https://www.econbiz.de/10014306581
Persistent link: https://www.econbiz.de/10003719533