The Federal Reserve Board, on Wednesday, September 30, 2026, officially announced the finalization of significant amendments designed to bolster the transparency and public accountability of its annual stress tests, while simultaneously aiming to mitigate volatility in the resulting capital requirements for the nation’s largest banks. These two comprehensive final rules largely mirror the proposals initially put forth in 2025, reflecting a year-long process of deliberation and public engagement. Concurrently, the Board issued a new proposal seeking public comment on a revised methodology to more accurately reflect the diverse business models employed by financial institutions in generating fee income, further refining the precision of its supervisory tools.

The Mandate of Stress Testing: A Post-Crisis Imperative

At its core, the Federal Reserve’s stress testing regime serves as a crucial bulwark against financial instability. Initiated in the aftermath of the 2008 global financial crisis, these annual exercises are mandated to ensure that large, systemically important financial institutions maintain sufficient capital reserves to continue lending to households and businesses, even under the most severe economic downturns. This proactive approach aims to prevent a repeat of the crisis-era credit crunch, which severely hampered economic recovery. The Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010 codified these stress tests, making them a permanent and integral component of the U.S. financial regulatory framework.

Over the years, the stress test framework has evolved significantly. Initially comprising the Supervisory Capital Assessment Program (SCAP) in 2009, followed by the Comprehensive Capital Analysis and Review (CCAR) and Dodd-Frank Act Stress Tests (DFAST), the Fed has continuously refined its methodology. A key evolution occurred with the introduction of the Stress Capital Buffer (SCB) in 2020, which integrated the stress test results directly into a bank’s regulatory capital requirements, replacing the qualitative objection process of CCAR. This shift was intended to make capital requirements more transparent, risk-sensitive, and predictable. The modifications announced today represent the latest iteration in this ongoing commitment to strengthening the financial system’s resilience. In December 2024, the Board had already signaled its intent to modify the test further to improve its overall resilience, setting the stage for these finalized rules.

Vice Chair for Supervision Michelle W. Bowman underscored the foundational role of these tests, stating, "The stress test is an essential component of our regulatory capital framework. 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 the dual objectives of these changes: enhancing public trust through clarity and ensuring the robustness of the capital framework.

Key Pillars of the New Framework: Enhancing Transparency and Predictability

The first of the two finalized rules introduces a series of significant enhancements primarily focused on increasing transparency and public engagement in the stress testing process. A cornerstone of this rule is the requirement for the Board to solicit annual public input on the design of stress test scenarios and any material changes to the underlying models. This move is expected to foster greater understanding and legitimacy of the stress tests by incorporating external perspectives from financial institutions, academics, and the public. Historically, the scenarios, while publicly released, were developed internally. This new mandate democratizes a critical aspect of the stress test design, aligning with broader calls for more inclusive regulatory processes.

Furthermore, this rule updates the overarching framework that guides the design of the hypothetical adverse and severely adverse scenarios. These scenarios are meticulously crafted to capture a range of potential economic and financial shocks, including severe global recessions, sharp increases in unemployment, significant declines in asset prices, and market volatility. The updated framework is designed to ensure these scenarios remain relevant and comprehensive in anticipating future risks. The rule also formally adopts the specific models that will be employed for the 2027 stress test cycle, providing banks with clearer foresight into the methodologies they will be assessed against.

Practical adjustments to the stress test calendar are also part of this final rule. While specific dates were not detailed, these adjustments are typically aimed at streamlining the submission and review process for banks, ensuring a more efficient regulatory cycle.

A particularly impactful modification within this rule pertains to the global market shock component. This component applies to banks with substantial trading operations, subjecting their trading books to a set of severe, hypothetical market movements across various asset classes. Previously, these banks were tested against a single global market shock. The new rule mandates that these firms will now be tested against two distinct global market shock components each year. Crucially, the Board will then utilize the shock that generates the largest losses for each individual firm when calculating their stress test results. This "maximum loss" approach ensures that banks are sufficiently capitalized to withstand a broader spectrum of market disruptions, enhancing the risk-sensitivity of the test for institutions with significant capital markets exposure. This change reflects a continuous effort to capture the nuances of complex financial instruments and market dynamics that can significantly impact a bank’s capital position during periods of stress.

Stabilizing Capital Buffers: The Averaging Mechanism

The second final rule addresses the crucial aspect of capital requirements directly, specifically targeting the Stress Capital Buffer (SCB). The SCB, established in 2020, is an add-on to a bank’s minimum capital requirements, calibrated based on the losses projected in the supervisory stress test. It is designed to ensure that banks have enough capital to absorb losses in a severe recession and still meet their minimum capital ratios. One criticism of the earlier SCB methodology was the potential for year-over-year volatility in a bank’s required capital, which could complicate capital planning and shareholder distributions.

To mitigate this volatility, the new rule mandates that when calculating a firm’s SCB requirement, the Board will average the results from the two most recent annual supervisory stress tests. This averaging mechanism is a significant step towards introducing greater predictability and stability into bank capital planning. By smoothing out potential year-to-year fluctuations driven by minor model changes or scenario shifts, banks can better project their capital needs and optimize their balance sheets. The Board has indicated that it will commence averaging SCB requirements starting in 2028. This delayed implementation is deliberate, ensuring that only stress test models that have incorporated the newly mandated annual public input are used in the calculation, thereby aligning the benefits of reduced volatility with enhanced transparency.

Refining Risk-Sensitivity: The Noninterest Income Proposal

Beyond the two finalized rules, the Federal Reserve Board also took steps to further refine the granularity and risk-sensitivity of its stress tests by requesting public comment on a proposal to revise its noninterest income model. This model is critical for projecting how a bank’s fee-based revenues (such as those from wealth management, investment banking, or service charges) would perform under stressed economic conditions. The current model projects each bank’s fee income under stress scenarios. However, the proposal seeks to improve the stress test’s ability to capture the significant diversity in business models across different firms, especially concerning how they generate fee income.

Large banks often have highly diversified revenue streams, and their reliance on noninterest income can vary substantially. A more nuanced model would better reflect how these different business models might perform under various stress scenarios, providing a more accurate assessment of a bank’s overall resilience. If adopted, these adjustments would replace the existing noninterest income model, aiming for a more precise and risk-sensitive projection of fee-based revenues during a downturn. Public comments on this proposal are due 60 days after its publication in the Federal Register, providing another opportunity for stakeholders to contribute to the ongoing refinement of the stress testing framework.

An Evolving Regulatory Landscape: A Chronology of Refinement

The journey towards these finalized rules is part of a longer regulatory timeline demonstrating the Fed’s iterative approach to financial stability:

• 2008: Global Financial Crisis highlights the need for robust bank capital.
• 2009: Supervisory Capital Assessment Program (SCAP) is introduced, the precursor to modern stress tests.
• 2010: Dodd-Frank Act formally establishes annual stress tests (DFAST) and a comprehensive capital planning review (CCAR).
• Early 2010s: Regular annual DFAST and CCAR cycles begin, evolving in scope and methodology.
• 2019: The Federal Reserve tailors its regulatory framework, including stress tests, based on bank size and complexity, introducing four categories for firms.
• 2020: Introduction of the Stress Capital Buffer (SCB) integrates stress test results directly into minimum capital requirements, aiming for greater transparency and predictability compared to the qualitative objection process of CCAR.
• December 2024: The Board announces its intention to modify the stress test further to improve its resilience, setting the stage for the current changes.
• 2025: Proposed rules are issued, forming the basis for the changes finalized today.
• September 30, 2026: Finalization of rules enhancing transparency, accountability, and reducing capital requirement volatility. Proposal for noninterest income model revision announced.
• 2027: New models, incorporating public input, will be used for the stress test cycle.
• 2028: Averaging of Stress Capital Buffer requirements begins.

Industry and Expert Perspectives

The financial industry has generally welcomed moves towards greater transparency and predictability in regulatory requirements. While banks consistently advocate for efficient and clear regulations, they also recognize the critical importance of maintaining a robust financial system. Trade groups like the American Bankers Association and the Financial Services Forum are likely to view the reduction in year-over-year capital requirement volatility as a positive development, facilitating more stable long-term capital planning and potentially optimizing capital allocation. Reduced volatility can translate into more consistent dividend policies and share buybacks, which are beneficial for investors.

Economists and financial analysts will likely emphasize the delicate balance the Fed aims to strike: maintaining stringent oversight to prevent future crises while ensuring that capital requirements do not unduly constrain lending or economic growth. The 50 percent reduction in year-over-year volatility, which the Fed expects to achieve without materially affecting aggregate capital requirements, is a significant metric. This suggests that the changes are aimed at improving the process of capital determination rather than fundamentally altering the level of capital demanded from the system as a whole. Experts might also note that the continuous refinement of models, particularly the proposal for noninterest income, reflects the Fed’s commitment to ensuring that its regulatory tools remain cutting-edge and adaptable to an evolving financial landscape. From a financial stability perspective, the explicit incorporation of public input and the enhanced global market shock component are likely to be seen as strengthening the legitimacy and effectiveness of the stress tests.

Broader Implications for Financial Stability and the Economy

These finalized changes carry substantial implications for both individual financial institutions and the broader U.S. financial system. For banks, the most immediate benefit is the prospect of more predictable capital requirements. The averaging of SCB results and the enhanced transparency regarding scenarios and models will allow institutions to engage in more stable, long-term capital planning. This can lead to greater operational efficiency, better resource allocation, and a more consistent approach to managing capital buffers.

From a systemic perspective, the changes reinforce the resilience of the U.S. financial system. By ensuring that stress tests are more granular, risk-sensitive, and transparent, the Fed is enhancing its ability to identify and mitigate potential vulnerabilities before they escalate into systemic threats. The refined global market shock component, for instance, specifically targets the complexities of trading books, an area that has historically been a source of significant risk during financial dislocations. The improved capture of business model diversity through the proposed noninterest income model ensures that the unique risk profiles of various banks are more accurately assessed, preventing a "one-size-fits-all" approach from undermining the effectiveness of the tests.

Ultimately, a stable and well-capitalized banking sector is fundamental to sustained economic growth. By ensuring that banks can withstand severe shocks, the Federal Reserve is supporting their capacity to lend to businesses and consumers, even in times of stress. This provides a crucial safety net for the economy, minimizing the likelihood of taxpayer bailouts and fostering public confidence in the financial system. The changes underscore the Federal Reserve’s unwavering commitment to an adaptive and robust regulatory framework, continuously striving for an optimal balance between prudential supervision and fostering a dynamic financial sector.

For media inquiries regarding these significant regulatory developments, interested parties may contact the Federal Reserve Board at [email protected] or by calling 202-452-2955.

Last Update: October 05, 2026