(a) General. A Board-regulated institution may calculate its risk-weighted asset amount for equity exposures using the IMA by modeling publicly traded and non-publicly traded equity exposures (in accordance with paragraph (c) of this section) or by modeling only publicly traded equity exposures (in accordance with paragraphs (c) and (d) of this section).

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(b) Qualifying criteria. To qualify to use the IMA to calculate risk-weighted assets for equity exposures, a Board-regulated institution must receive prior written approval from the Board. To receive such approval, the Board-regulated institution must demonstrate to the Board’s satisfaction that the Board-regulated institution meets the following criteria:

(1) The Board-regulated institution must have one or more models that:

(i) Assess the potential decline in value of its modeled equity exposures;

(ii) Are commensurate with the size, complexity, and composition of the Board-regulated institution’s modeled equity exposures; and

(iii) Adequately capture both general market risk and idiosyncratic risk.

(2) The Board-regulated institution’s model must produce an estimate of potential losses for its modeled equity exposures that is no less than the estimate of potential losses produced by a VaR methodology employing a 99th percentile one-tailed confidence interval of the distribution of quarterly returns for a benchmark portfolio of equity exposures comparable to the Board-regulated institution’s modeled equity exposures using a long-term sample period.

(3) The number of risk factors and exposures in the sample and the data period used for quantification in the Board-regulated institution’s model and benchmarking exercise must be sufficient to provide confidence in the accuracy and robustness of the Board-regulated institution’s estimates.

(4) The Board-regulated institution’s model and benchmarking process must incorporate data that are relevant in representing the risk profile of the Board-regulated institution’s modeled equity exposures, and must include data from at least one equity market cycle containing adverse market movements relevant to the risk profile of the Board-regulated institution’s modeled equity exposures. In addition, the Board-regulated institution’s benchmarking exercise must be based on daily market prices for the benchmark portfolio. If the Board-regulated institution’s model uses a scenario methodology, the Board-regulated institution must demonstrate that the model produces a conservative estimate of potential losses on the Board-regulated institution’s modeled equity exposures over a relevant long-term market cycle. If the Board-regulated institution employs risk factor models, the Board-regulated institution must demonstrate through empirical analysis the appropriateness of the risk factors used.

(5) The Board-regulated institution must be able to demonstrate, using theoretical arguments and empirical evidence, that any proxies used in the modeling process are comparable to the Board-regulated institution’s modeled equity exposures and that the Board-regulated institution has made appropriate adjustments for differences. The Board-regulated institution must derive any proxies for its modeled equity exposures and benchmark portfolio using historical market data that are relevant to the Board-regulated institution’s modeled equity exposures and benchmark portfolio (or, where not, must use appropriately adjusted data), and such proxies must be robust estimates of the risk of the Board-regulated institution’s modeled equity exposures.

(c) Risk-weighted assets calculation for a Board-regulated institution using the IMA for publicly traded and non-publicly traded equity exposures. If a Board-regulated institution models publicly traded and non-publicly traded equity exposures, the Board-regulated institution’s aggregate risk-weighted asset amount for its equity exposures is equal to the sum of:

(1) The risk-weighted asset amount of each equity exposure that qualifies for a 0 percent, 20 percent, or 100 percent risk weight under § 217.152(b)(1) through (b)(3)(i) (as determined under § 217.152) and each equity exposure to an investment fund (as determined under § 217.154); and

(2) The greater of:

(i) The estimate of potential losses on the Board-regulated institution’s equity exposures (other than equity exposures referenced in paragraph (c)(1) of this section) generated by the Board-regulated institution’s internal equity exposure model multiplied by 12.5; or

(ii) The sum of:

(A) 200 percent multiplied by the aggregate adjusted carrying value of the Board-regulated institution’s publicly traded equity exposures that do not belong to a hedge pair, do not qualify for a 0 percent, 20 percent, or 100 percent risk weight under § 217.152(b)(1) through (b)(3)(i), and are not equity exposures to an investment fund;

(B) 200 percent multiplied by the aggregate ineffective portion of all hedge pairs; and

(C) 300 percent multiplied by the aggregate adjusted carrying value of the Board-regulated institution’s equity exposures that are not publicly traded, do not qualify for a 0 percent, 20 percent, or 100 percent risk weight under § 217.152(b)(1) through (b)(3)(i), and are not equity exposures to an investment fund.

(d) Risk-weighted assets calculation for a Board-regulated institution using the IMA only for publicly traded equity exposures. If a Board-regulated institution models only publicly traded equity exposures, the Board-regulated institution’s aggregate risk-weighted asset amount for its equity exposures is equal to the sum of:

(1) The risk-weighted asset amount of each equity exposure that qualifies for a 0 percent, 20 percent, or 100 percent risk weight under §§ 217.152(b)(1) through (b)(3)(i) (as determined under § 217.152), each equity exposure that qualifies for a 400 percent risk weight under § 217.152(b)(5) or a 600 percent risk weight under § 217.152(b)(6) (as determined under § 217.152), and each equity exposure to an investment fund (as determined under § 217.154); and

(2) The greater of:

(i) The estimate of potential losses on the Board-regulated institution’s equity exposures (other than equity exposures referenced in paragraph (d)(1) of this section) generated by the Board-regulated institution’s internal equity exposure model multiplied by 12.5; or

(ii) The sum of:

(A) 200 percent multiplied by the aggregate adjusted carrying value of the Board-regulated institution’s publicly traded equity exposures that do not belong to a hedge pair, do not qualify for a 0 percent, 20 percent, or 100 percent risk weight under § 217.152(b)(1) through (b)(3)(i), and are not equity exposures to an investment fund; and

(B) 200 percent multiplied by the aggregate ineffective portion of all hedge pairs.