FED Insight09/21/2026 6:24:30 PM ET

Interpretation of the speech given by Michelle W. Bowman on 2026-09-18

Speech Summary

Michelle Bowman detailed forthcoming revisions to the U.S. bank regulatory stress test framework, emphasizing a multi-year effort to address deficiencies in capital requirement setting and supervisory processes post-financial crisis. The Federal Reserve intends to finalize rules increasing transparency and public accountability, specifically through full disclosure of stress test models – including equations, variables, and assumptions – and the scenario design process. A key component of the overhaul involves averaging stress capital buffer (SCB) requirements over two years to reduce volatility, aligning compliance timing with calendar year-end, and maintaining aggregate capital levels. Proposed modifications also include refinements to models for noninterest income, aiming for better capture of business diversity.

Beyond these immediate changes, Bowman outlined an expanded supervisory approach leveraging stress testing for proactive risk identification. This entails moving beyond capital requirement calculations to utilize forward-looking exercises identifying firm-specific vulnerabilities to financial and nonfinancial risks. The intent is to complement existing bank-level scenario analyses and enterprise-wide stress tests, fostering dialogue between supervisors and institutions to enhance understanding of emerging risks. The Silicon Valley Bank experience underscored the potential of such analyses to detect vulnerabilities, such as interest rate risk and concentration of uninsured deposits, enabling earlier supervisory intervention.

This expanded framework incorporates additional scenarios, reverse stress testing – where firms design scenarios leading to material financial impairment – and a focus on idiosyncratic risks. The ultimate goal is to sharpen supervisory judgment and firm risk management, reinforcing the resilience of the U.S. banking system and bolstering public confidence. The proposed reforms aim to establish a more rational, robust, and transparent framework for capital requirements, while simultaneously enhancing the effectiveness of supervisory oversight.

Viewpoint Analysis

The Federal Reserve’s proposed revisions to bank regulatory stress testing represent a material shift toward enhanced transparency and a recalibration of supervisory methodology. The core objective appears to be addressing criticisms of opacity and volatility inherent in the existing framework, specifically concerning the stress capital buffer (SCB) and associated capital requirements for large financial institutions. The commitment to public disclosure of stress test models – including equations, variables, and underlying assumptions – signals an intent to foster greater market discipline and reduce potential legal challenges. This move, while potentially increasing short-term administrative burden, is projected to improve model credibility and alignment with actual risk profiles.

The proposed averaging of SCB results over two annual stress tests, coupled with a delayed effective date, suggests a deliberate attempt to dampen procyclicality and provide banks with greater predictability in capital planning. While the stated goal is to reduce volatility by approximately 50%, the impact on aggregate capital levels is anticipated to be neutral, indicating a focus on smoothing rather than overall reduction. The incorporation of public feedback on scenario design, extending to the scenarios themselves beginning with the 2026 test, further underscores a commitment to a more collaborative and iterative regulatory process.

Beyond the immediate changes to the SCB framework, the emphasis on forward-looking stress testing represents a potentially significant evolution in supervisory practice. The intention to leverage existing capital-based stress tests as a foundation for firm-specific vulnerability assessments, without direct impact on capital requirements, suggests a move toward more granular and proactive supervision. The Silicon Valley Bank example serves as a clear illustration of the potential benefits of this approach, highlighting the ability to identify interest rate risk and concentration risk well in advance of material financial distress.

The proposed expansion of stress testing methodologies – including additional scenarios, open dialogue with firms, and reverse stress testing – aims to deepen understanding of idiosyncratic risks and potential systemic spillovers. This shift implies a greater reliance on qualitative assessment and supervisory judgment, complementing the quantitative outputs of the existing framework. The emphasis on comparing internal bank analyses with Federal Reserve assessments suggests a desire to foster a more collaborative relationship between supervisors and regulated entities, potentially improving the effectiveness of risk management practices across the industry. Ultimately, the success of these reforms will hinge on the ability to balance increased transparency and accountability with the need for effective supervision and maintenance of financial stability.

Original link

https://www.federalreserve.gov/newsevents/speech/bowman20260918a.htm