Long-term memory processes have been extensively examined in recent literature as they provide simple way to test for predictabilty in the underlying process. However, most of the literature interprets the results of estimated Hurst exponent simply by its comparison to its asymptotic limit of...

Over the past few years, the Value at Risk indicator (VaR) has evolved, without doubt, into the most frequently used comprehensive tool for assessment of potential losses caused by adverse changes in market rates. However, the common models used for VaR assessment are based only on mid prices...

This paper wants to give a basic overview of arguments for and against of using the financial derivatives tools in the field of foreign exchange risk management. The case study shows, how the separate hedging instruments have impact on P & L statement. This paper discusses different relationship...