This image shows the Credit Derivative Portfolio Definition - Detail Preferences Screen. This screen has product code and product id as mandatory field. The other category field is product description and portfolio reference. The other category field is contract main, main preferences, detail preferences, premium or discount optional field accrue premium, accrue premium and accrue discount, accrual method, accrual frequency, start day and start month. The other category field is revaluation of positions, revaluation source as internal and optional field revaluation of settled position and revaluation of unsettled positions, revaluation level, revaluation method, revaluation frequency, revaluation start day and revaluation start month and optional field realized revaluation. The other category field is limits tracking, credit derivative index as book value. The other category field is trade date accounting preferences with optional field trade date accounting, amortize discount/premium for each deal and book accrued interest on trade date. The other category is redemption premium optional field accrue redemption premium, accrual method, accrual frequency, accrual start day and accrual start month. The other field has optional field realized revaluation, revaluation method, LOCOM basis, revaluation frequency, revaluation start day and revaluation start month.