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The paper is concerned with the use of several methods that can be useful from the point of view of trend reversal in financial time series. These methods are demonstrated on PX index time series during 2002-2009. The research itself is subdivided into four parts corresponding to individual...
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The article deals with a numerical comparison of impacts of financial crises on the stock market over the last one hundred years. The goal of the analysis is to investigate, according to certain criteria, whether the current crisis on the stock market is more serious than the previous ones.
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Volatility of the financial time series belongs to the crucial estimated parameters in finance (e.g. in risk management …-distribution and used to the calculation of the 1-day 95% and 99% Value at Risk values. Finally, the validity of the models is verified … alternative to the EWMA model in the Value at Risk calculation. …
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The article deals with a typical phenomenon of financial time series - volatility. These time series usually embody intermittent periods of relative "calm" and quite high variability. A volatility modelling of time series is made with the help of special econometric volatility models which...
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