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Abstract
We can observe increasing volatility in rapeseed prices caused by the progressing process of globalisation
in the turnover and processing of this raw material. It increases the exposure of rapeseed-producing
entities and rapeseed-processing enterprises to price risk. The aim of this study is to assess the extreme price
risk on the market of rapeseeds and processed rapeseed products in Poland. The study was based on average
weekly rapeseed purchase prices and sales prices of refined rapeseed oil, rapeseed meal and rapeseed oilcake
from 3 January 2005 and 19 April 2015. Extreme risk was measured with two measures: value at risk and
expected shortfall. Extreme value theory was also applied. The research findings point to differences in the
level of risk on the market of rapeseeds and processed rapeseed products.