Related provisions for BIPRU 7.9.4

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BIPRU 7.9.2GRP
The purpose of BIPRU 7.9 is to provide guidance on the FSA's policy for granting CAD 1 model waivers under section 148 of the Act (Modification or waiver of rules). The policy recognises that CAD 1 models may vary across firms but, as a minimum, the FSA will need to be satisfied:(1) about the quality of the internal controls and risk management relating to the model (see BIPRU 7.9.19G - BIPRU 7.9.23G for further details);(2) about the quality of the model standards; and(3) that
BIPRU 7.9.5GRP
Waivers permitting the use of models in the calculation of PRR will not be granted if that would be contrary to the CAD. Any waiver which is granted will only be granted on terms that are compatible with the CAD. Accordingly, the only waivers permitting the use of models in calculating PRR that the FSA is likely to grant are CAD 1 model waivers and VaR model permissions.
BIPRU 7.9.7GRP

Table: Types of CAD 1 model

This table belongs to BIPRU 7.9.6G

Options risk aggregation models

Interest rate pre-processing models

Brief description and eligible instruments

Analyse and aggregate options risks for:

May be used to calculate duration weighted positions for:

The output and how it is used in the PRR calculation

Depending on the type of model and the requirements in the CAD 1 model waiver granted, the outputs from an options risk aggregation model are used as an input to the market risk capital requirement calculation.

Depending on the type of model and the requirements in the CAD 1 model waiver granted, the individual sensitivity figures produced by this type of CAD 1 model are either input into the calculation of interest rate PRR under the interest rate duration method (see BIPRU 7.2.63R) or are converted into notional position and input into the calculation of interest rate PRR under the interest rate maturity method (see BIPRU 7.2.59R).

BIPRU 7.9.9GRP
Details of the general waiver process are set out in SUP 8 (Waiver and modification of rules). Further details of the waiver process applicable to certain waivers relating to BIPRU (including CAD 1 model waivers) can be found in BIPRU 1.3 (Applications for advanced approaches). Because of the complexity of a CAD 1 model waiver, it is recommended that, as set out in SUP 8.3.4 G and BIPRU 1.3.21 G, a firm contact its usual contact at the FSA to discuss its proposed application.
BIPRU 7.9.10GRP
In order to consider a CAD 1 model waiver request, the FSA may undertake a review to ensure that it is adequate and appropriate for the PRR calculation.
BIPRU 7.9.14GRP
A review by a skilled person may be used before a CAD 1 model waiver is granted to supplement the waiver process or after the waiver has been granted to review the CAD 1 model.
BIPRU 7.9.15GRP
If the FSA grants a CAD 1 model waiver, the waiver direction will specify the particular rule which has been modified, and set out the requirements subject to which the waiver has been granted. These requirements may include:(1) the details of the calculation of PRR;(2) the CAD 1 model waiver methodology to be employed;(3) the products covered by the model (e.g. option type, maturity, currency); and(4) any notification requirements relating to the CAD 1 model waiver.
BIPRU 7.9.17GRP
No changes should be made to a CAD 1 model unless the change is not material. Material changes to a CAD 1 model will require a renewed waiver to be issued. Materiality is measured from the time that the waiver is granted or, if the waiver has been varied in accordance with section 148 of the Act, any later time that may be specified in the waiver for these purposes. If a firm is considering making material changes to its CAD 1 model, then it should notify the FSA at once. If a
BIPRU 7.9.21GRP
(1) A firm should have a conceptually sound risk management system which is implemented with integrity and should meet the minimum standards set out in this paragraph.(2) A firm should have a risk control unit that is independent of business trading units and reports directly to senior management. The unit should be responsible for designing and implementing the firm's risk management system. It should produce and analyse daily reports on the risks run by the business and on the
BIPRU 7.9.25GRP
For a firm to obtain a CAD 1 model waiver for its options risk aggregation model, it should have in place an appropriate options valuation model.
BIPRU 7.9.37GRP
(1) A different scenario matrix should be set up for each underlying asset type in accordance with this paragraph.(2) For equities (including single equities, baskets and indices) there should be a separate matrix for each national market or non-decomposed basket or non-decomposed multi-national index.(3) For foreign currency products there should be a separate matrix for each currency pair where appropriate.(4) For commodity products there should be a separate matrix for each
BIPRU 7.9.42GRP
The values that have been obtained for the delta-equivalent positions of instruments included in the scenario matrix should then be treated in the same way as positions in the underlying. Where the delta obtained relates to interest rate position risk, the delta equivalent positions may be fed into the firm's interest rate pre-processing model to the extent that the positions fall within the scope of interest rate pre-processing models as set out in BIPRU 7.9.7G and provided that
BIPRU 7.9.43GRP
In using the scenario matrix approach, none of the steps followed will take specific account of a firm's exposure to rho risk. Where a firm can demonstrate that for interest rate-related options the rho sensitivity is effectively included in the delta sensitivities produced, there is no separate capital requirement relating to rho. For all other options except commodity options, a firm should calculate a rho sensitivity ladder by currency using its CAD 1 model and either feed
BIPRU 7.9.44GRP
To the extent that a firm'sCAD 1 model waiver is for the use of an interest rate pre-processing model the firm should use it for the pre-processing of the instruments set out in BIPRU 7.9.7G, from which the residual positions are fed into the interest rate maturity method or interest rate duration method calculation.
BIPRU 7.7.13GRP
Where BIPRU 7.7 permits a firm to calculate the PRR charge for a position in a CIU using the rules in BIPRU 7 relating to the underlying investment, a firm that has:(1) a CAD 1 model waiver that covers positions in CIUs may use the rules as modified by that waiver; and(2) a VaR model permission that covers positions in CIUs may use its VaR model.
BIPRU 7.10.135RRP
To the extent that a position does not fall within the scope of a firm'sVaR model permission the firm must calculate the PRR under the standard market risk PRR rules1 or, as applicable, those provisions as modified by the firm'sCAD 1waiver.