1.For the purposes of the trading desk back-testing referred to in Article 325bf(3) of Regulation (EU) No 575/2013, institutions shall calculate the actual changes in a trading desk portfolio’s value by using the same techniques, including the same pricing methods, model parametrisations and market data, as those used in the process used to calculate the end-of-day values (‘end-of-day valuation process’), including the results of the independent price verification referred to in Article 105(8) of Regulation (EU) No 575/2013.