This is the value, as at the relevant date, of short  positions in nth-to-default credit derivatives, calculated in accordance to the relevant prudential standards.An nth-to-default credit derivative is a contract where the payoff is based on the nth asset to default in a basket of underlying reference instruments. Once the nth default occurs the transaction terminates and is settled.Short positions represent positions where a fall in the value of the asset or derivative would result in a profit.