For the purpose of this Regulation the following definitions shall apply:
((a))
‘valuation position’ means a financial instrument or commodity or portfolio of financial instruments or commodities held in both trading and non-trading books, which are measured at fair value;
((b))
‘valuation input’ means a market observable or non-observable parameter or matrix of parameters that influences the fair value of a valuation position;
((c))
‘valuation exposure’ means the amount of a valuation position which is sensitive to the movement in a valuation input.