Model risk management services

Delivering analytics, validation and model risk management solutions across credit risk, market risk and operational risk areas

What is model risk?

Financial institutions rely heavily on financial and economic models for a wide range of applications, such as risk management, valuation, stress testing and financial/regulatory reporting. The level of sophistication of models used for such applications varies widely, from relatively simple spreadsheet tools to complex statistical models applied to millions of transactions.

Regardless of the level of sophistication, model usage exposes a financial institution to model risk, which typically involves the possibility of a financial loss, incorrect business decisions, misstatement of external financial disclosures or damage to the company’s reputation arising from:

  • Possible errors in the model design and development process (including the design and development of changes to existing models), such as errors in the data, theory, statistical analysis, assumptions or computer code underlying a model
  • Misapplication of models, or model results, by model users
  • Use of models whose performance does not meet company standards
  • Possible errors in the model production process, such as errors in data inputs and assumptions, or errors in model execution

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Our services

PwC offers a full range of advisory services to assist you in identifying and managing the ​model ​risks associated with ​models used for risk management, valuation and financial/regulatory reporting purposes.

MRM program design: Design and development of model risk management/model governance programs, including:

  • Organizational design for the model risk management organization
  • Development of model risk management policies and frameworks as well as detailed procedures and standards covering the full model life cycle
  • Resource planning and analysis

MRM program assessment: Evaluation of existing model risk management programs for effectiveness and for consistency with regulatory expectations and industry leading practices

Internal audit: Testing of model risk management framework design and operating effectiveness for internal audit

Model validation: Assistance with independent model validations for a wide range of model types, including:

  • Consumer and commercial credit models, including CCAR/DFAST stress testing models, credit scorecards, credit loss forecasting models, allowance for loan loss models and models used to support Basel capital estimates
  • Pre Provision Net Revenue (PPNR) models used in CCAR/DFAST stress testing  
  • Mortgage loan prepayment and valuation models
  • Financial instrument valuation models
  • Financial reporting models, including ASC 310-20 (formerly FAS 91) amortization, ASC 450 (formerly FAS 5) reserves, CECL, IFRS 9, and ASC 310-30 (formerly SOP 03-3)

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Why PwC?

We are well qualified to deliver industry-leading model risk management services:

Highly experienced team of model risk management specialists: We have a broad and deep team of model risk professionals whose experience covers virtually all financial model types, including those used to manage credit risk, market risk, operational risk and compliance risk—as well as those used for financial reporting, valuations and economic capital estimation.

Significant exposure to, and driver of, industry leading practices: Our combination of advisory and audit-related model risk management and validation work for many of the largest global financial services firms provides us with significant exposure to leading practices in the areas of model risk management. Since the year 2000, PwC has been at the forefront of the professional services industry in developing and refining approaches to implement the Office of the Comptroller of the Currency’s (“OCC’s”) 2000-16 guidance on Model Validation for various model types and, subsequently, OCC’s 2011-12 model risk management guidance (issued jointly with the Federal Reserve as bulletin SR 11-7).

Deep knowledge of regulatory expectations: PwC has developed strong relationships with the US bank regulatory agencies and has met regularly with the OCC to discuss both existing and emerging model risk issues. PwC has also provided training to both Federal Reserve and OCC examiners in the area of model risk and model validation.

Extensive thought leadership: PwC is an industry leader in sharing our point of view on model risk management issues, with published articles in American Banker and Bank Accounting & Finance, our FS Regulatory white paper series and invited presentations at industry conferences.

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Managing the risks of machine learning and artificial intelligence models in the financial services industry

Rapid proliferation of machine learning algorithms across various business areas is exposing financial institutions to certain incremental risks that require bespoke governance and control mechanisms to manage. The purpose of this article is to provide our views on how the financial services institutions can build upon their existing Model Risk Management frameworks to effectively and efficiently manage these risks.

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Jason Dulnev

Principal, Risk Analytics, PwC US

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