The Federal Reserve Board announced on Wednesday, September 30, 2026, the finalization of significant changes to its rigorous bank stress testing framework. These modifications aim to bolster the transparency and public accountability of the annual exercises while simultaneously reducing the year-over-year volatility inherent in stress test-related capital requirements for the nation’s largest financial institutions. The two final rules, largely consistent with proposals introduced in 2025, represent a continued evolution of the supervisory tool designed to ensure the resilience of the U.S. banking system. Concurrently, the Board issued a new proposal seeking public comment on revisions to its noninterest income model, aiming to better reflect the diverse business models banks employ to generate fee income.

The Imperative of Stress Tests: A Post-Crisis Legacy

The Federal Reserve’s stress tests, formally known as the Comprehensive Capital Analysis and Review (CCAR), were established in the aftermath of the 2008 global financial crisis under the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010. Their primary objective is to assess whether large banks possess sufficient capital to withstand severe hypothetical economic downturns and continue lending to households and businesses during times of extreme stress. This proactive approach helps prevent a repeat of the systemic failures witnessed during the crisis, where insufficient capital at major institutions exacerbated economic instability.

Since their inception, these annual evaluations have become a cornerstone of the U.S. regulatory capital framework, subjecting banks with assets exceeding $100 billion to stringent hypothetical scenarios. The scenarios typically involve severe global recessions, sharp increases in unemployment, significant declines in asset prices, and heightened market volatility. The results of these tests directly influence a bank’s Stress Capital Buffer (SCB), which dictates the amount of capital a bank must hold above its minimum requirements, thereby linking supervisory expectations to a firm’s risk profile and capital planning.

In December 2024, the Federal Reserve Board had first signaled its intention to modify the stress test framework, citing a need to further improve its resilience and adaptability to evolving financial landscapes. This marked a continuous process of refinement, building on over a decade of experience with the program.

Vice Chair Bowman Emphasizes Resilience and Risk Sensitivity

Michelle W. Bowman, Vice Chair for Supervision at the Federal Reserve, underscored the enduring importance of the stress test framework. "The stress test is an essential component of our regulatory capital framework," Bowman stated in conjunction with the announcement. She further elaborated on the strategic intent behind the latest revisions: "Today’s changes preserve its resilience by ensuring that it is transparent, granular, and risk-sensitive. The public will now have greater assurance that the risks banks take will be reflected appropriately in their stress test losses and their capital requirements."

Her remarks highlight a dual focus: maintaining the robustness of the test as a forward-looking supervisory tool while enhancing its clarity and responsiveness to the nuances of banking operations. The emphasis on "granular" and "risk-sensitive" outcomes suggests a move towards more precise and tailored assessments, moving beyond a one-size-fits-all approach where appropriate, and ensuring that the capital requirements accurately reflect the specific risks undertaken by individual institutions.

First Final Rule: Enhancing Transparency and Scenario Design

The first of the two finalized rules introduces several key adjustments aimed at increasing the openness and methodological rigor of the stress test process.

Annual Public Input on Scenarios and Models: A significant change mandates that the Board will now annually invite public input on the design of the stress test scenarios and any material changes to the underlying models used for the assessment. This formalizes a mechanism for external stakeholders, including academics, industry experts, and public interest groups, to contribute to the framework’s evolution. This move is expected to foster greater understanding, legitimacy, and public trust in the stress test process, ensuring that the scenarios remain relevant and comprehensive in capturing potential future risks. It represents a significant step towards a more collaborative and accountable regulatory environment.

Updated Framework for Scenario Design and Model Adoption: The rule also updates the overarching framework that guides the development of the hypothetical stress scenarios. This ensures that the scenarios remain dynamic and reflect emerging risks in the financial system and broader economy. Furthermore, the rule officially adopts the specific models that will be utilized for the 2027 stress test cycle. This early adoption provides banks with greater clarity and predictability regarding the analytical tools the Fed will employ, allowing them ample time to align their internal risk management and capital planning processes.

Adjustments to the Stress Test Calendar: While specific details were not provided in the initial release, adjustments to the stress test calendar are designed to optimize the timeline for scenario publication, data collection, analysis, and the eventual release of results. These changes aim to create a more efficient and predictable annual cycle, benefiting both the regulatory body and the financial institutions subject to the tests. A streamlined calendar can reduce administrative burdens and provide clearer deadlines for all parties involved.

Refined Global Market Shock Component: The global market shock (GMS) component is a critical element for banks with substantial trading operations, often referred to as "large trading books." These banks are particularly susceptible to sudden, severe disruptions in global financial markets. Previously, these firms were tested against a single GMS. Under the new rule, these institutions will now be subjected to two distinct global market shock components each year. The Board will then use the shock that generates the largest losses for each individual firm when calculating its final stress test results. This "maximum loss" approach ensures that banks are adequately capitalized against a broader range of extreme market events, enhancing the robustness of the assessment for institutions with significant exposure to market volatility. This refinement recognizes the complex and interconnected nature of global markets and aims to capture a wider spectrum of potential vulnerabilities.

Second Final Rule: Stabilizing Capital Requirements

The second final rule addresses a long-standing concern within the banking industry regarding the year-over-year volatility of stress test-related capital requirements, particularly the Stress Capital Buffer (SCB).

Averaging Stress Capital Buffer Requirements: Historically, a bank’s SCB has been determined by the results of a single annual supervisory stress test. This approach could lead to significant fluctuations in required capital from one year to the next, making capital planning challenging for institutions. The new rule introduces a critical change: when calculating SCB requirements, the Board will now average the results from the two most recent annual supervisory stress tests for firms subject to the test in both years.

This averaging mechanism is designed to smooth out year-to-year variations stemming from minor changes in models, scenarios, or a bank’s specific portfolio composition. By mitigating these fluctuations, banks can engage in more stable and predictable capital planning, which in turn supports their ability to maintain consistent lending and investment activities. The Board plans to commence averaging SCB requirements in 2028. This deliberate delay ensures that only stress test results that have incorporated the newly established public input mechanisms will be used in the calculation, reinforcing the commitment to transparency and accountability.

Implications for Capital Planning and Industry Perspective: For the banking industry, this change is expected to be met with general approval. Reduced volatility in capital requirements offers greater certainty, allowing banks to optimize their capital allocation and potentially free up capital for productive uses, such as extending credit or investing in technological innovation, without compromising safety and soundness. While individual banks might see minor adjustments in their specific SCB in any given year, the overall effect is intended to be a more stable regulatory environment. Industry trade groups have long advocated for such measures, arguing that excessive volatility in capital requirements can impede long-term strategic planning and economic growth.

Forward-Looking Proposals: Capturing Business Model Diversity

Beyond the finalized rules, the Federal Reserve Board also issued a new proposal requesting public comment on a significant revision to its noninterest income model.

Noninterest Income Model Revision: The proposed revision aims to improve the stress test’s capacity to capture the diverse ways banks generate fee income. Noninterest income, which includes revenue from services like wealth management, credit card fees, deposit fees, and investment banking, has become an increasingly important component of bank earnings, particularly for larger, more diversified institutions. The current noninterest income model projects each bank’s fee income under stress scenarios. The proposed adjustments would replace this existing model with a new framework designed to better account for the unique business models and revenue streams across different firms.

Importance of Fee Income Analysis: Accurately modeling noninterest income under stress is crucial because these revenue sources can behave differently than traditional interest income (e.g., from loans). Some fee-based activities might be more resilient in a downturn, while others, such as investment banking fees, could be highly cyclical and vulnerable to market shocks. By refining this model, the Fed seeks to ensure that the stress tests provide a more accurate and granular assessment of a bank’s overall revenue profile and its ability to absorb losses, reflecting the increasing complexity and diversity of modern banking operations. Public comments on this proposal are due 60 days after its publication in the Federal Register, indicating a commitment to thorough stakeholder engagement before implementation.

Anticipated Impact and Broader Implications

The cumulative effect of these finalized changes is projected to significantly reduce the year-over-year volatility in capital requirements by approximately 50 percent. This reduction is a key outcome of the averaging mechanism for the SCB and the enhanced predictability offered by public input and earlier model adoption. Importantly, the Board does not anticipate these changes to materially affect aggregate capital requirements across the banking system. This suggests that while individual bank requirements might be smoother, the overall level of capital held by the banking sector for resilience will remain robust.

Resilience of the Banking System: The core objective of these reforms remains the sustained resilience of the U.S. banking system. By enhancing transparency, refining methodologies, and stabilizing capital requirements, the Federal Reserve aims to fortify the financial sector against future economic shocks. A more transparent process allows for better public scrutiny and understanding, fostering confidence in the stability of financial institutions. More precise and stable capital requirements enable banks to plan effectively, ensuring they can absorb unexpected losses without disrupting critical financial services.

Impact on Lending and Economic Growth: A stable and well-capitalized banking sector is fundamental to a healthy economy. When banks have clear and predictable capital requirements, they are better positioned to extend credit to businesses and consumers, facilitating investment, job creation, and economic growth. Reduced volatility in capital demands can minimize uncertainty for banks, potentially encouraging more consistent lending behavior even in challenging economic conditions. This ensures that the regulatory framework supports both financial stability and the broader economic well-being.

These comprehensive revisions underscore the Federal Reserve’s ongoing commitment to adapting its supervisory tools to an evolving financial landscape while upholding its mandate to ensure the safety and soundness of the U.S. banking system. The integration of public input, refined methodologies, and measures to stabilize capital requirements represent a significant step in the continuous effort to balance robust oversight with predictable regulatory frameworks.

For media inquiries related to these developments, the Federal Reserve Board has provided contact information via email at [email protected] or by phone at 202-452-2955.