Lessons from SVB & Signature Bank: What Their Liquidity Failures Mean for Your CFP

TL;DR

• The rapid, catastrophic failures of Silicon Valley Bank (SVB) and Signature Bank in March 2023 were a stark reminder of the critical importance of robust Contingency Funding Plans (CFPs).
• Key vulnerabilities included concentrated, uninsured deposit bases, inadequate interest rate and liquidity risk management, and untested contingent funding sources.
• Regulators (Federal Reserve, FDIC) have explicitly stated they will increase scrutiny on rapid growth, concentration risks, and capital adequacy, expecting a “glass half empty” approach from examiners.
• Financial institutions must proactively reassess their CFPs, enhance liquidity stress testing, diversify funding, and ensure board-level oversight to withstand future shocks.

The sudden implosions of Silicon Valley Bank (SVB) and Signature Bank in March 2023 sent shockwaves through the financial industry, highlighting fundamental weaknesses in liquidity risk management and supervisory oversight. While the proximate cause was a classic bank run, the underlying issues – a concentrated, flighty deposit base, significant unrealized losses on investment portfolios, and inadequate Contingency Funding Plans (CFPs) – offered critical, painful lessons.

For risk and compliance teams, these failures are not merely historical footnotes. They represent a clear inflection point, demanding a fresh, critical look at existing liquidity risk frameworks. Regulators are already signaling a more aggressive, less forgiving supervisory posture. This article dives into the key takeaways from the SVB and Signature Bank debacles and outlines actionable steps to fortify your institution’s CFP against similar vulnerabilities.

The Anatomy of a Collapse: What Went Wrong at SVB and Signature Bank

Both SVB and Signature Bank shared alarming commonalities that contributed to their rapid downfall:

1. Concentrated, Uninsured Deposit Bases:

• SVB: As of December 31, 2022, a staggering 94% of SVB’s deposits were uninsured. This concentration, largely from the venture capital and tech sectors, proved incredibly volatile when confidence wavered. Funds could (and did) flee almost instantly.
• Signature Bank: Similarly, 90% of Signature Bank’s deposits were uninsured at year-end 2022, with a significant portion tied to the crypto industry. This specialized focus, while profitable during growth, became a critical vulnerability during a crisis of confidence in the digital asset space.

So What? A highly concentrated and uninsured deposit base is a foundational weakness in any liquidity risk profile. It means a bank’s funding can evaporate with unprecedented speed, far faster than traditional deposit runs. Your CFP must account for this “social media-driven bank run” dynamic, not just historical outflow assumptions.

2. Inadequate Interest Rate and Liquidity Risk Management: Federal Reserve Vice Chair for Supervision, Michael S. Barr, stated bluntly: “SVB failed because of a textbook case of mismanagement by the bank. Its senior leadership failed to manage basic interest rate and liquidity risk. Its board of directors failed to oversee senior leadership and hold them accountable.” (SVB Report, pg. 1).

• Interest Rate Risk: SVB held a substantial portfolio of long-dated, low-yielding bonds (Hold-To-Maturity or HTM securities). As interest rates rose sharply in 2022, the market value of these assets plummeted, creating massive unrealized losses that threatened solvency. While HTM securities are not marked to market on the balance sheet, the underlying economic reality was clear: if SVB had to sell these assets to meet withdrawals, it would incur significant losses.
• Liquidity Risk: Both banks failed to adequately manage their cash flow mismatches. They grew rapidly but did not build commensurate liquidity buffers or ensure access to stable, diversified contingent funding sources. When the music stopped, their CFPs were insufficient.

So What? Your institution’s interest rate risk profile is inextricably linked to its liquidity position. Stress testing (see: Liquidity Stress Testing for Your CFP: Scenarios, Assumptions & Methodology) must incorporate realistic, severe interest rate shocks alongside deposit outflows. The interplay between these risks can trigger a liquidity crisis, even for an otherwise solvent institution.

3. Failure to Test Contingent Funding Sources & Discount Window Readiness: While not explicitly detailed as a direct cause in all reports, the inability to quickly access contingent funding exacerbated the crisis. Institutions with robust CFPs identify and regularly test diverse funding sources, including the Federal Reserve’s discount window, Federal Home Loan Bank (FHLB) advances, and interbank lines of credit. SVB, in particular, was not operationally ready to quickly and efficiently borrow from the discount window when it desperately needed to.

So What? A CFP is only as good as its tested capabilities. Your institution must go beyond theoretical plans:

• Identify and Prioritize Sources: Clearly define your contingent funding sources and establish a practical ranking framework based on speed, capacity, cost, and stigma. (See: Identifying & Prioritizing Contingent Funding Sources: A Practical Ranking Framework).
• Regular Testing: Conduct regular, realistic exercises (tabletop and operational) to ensure access to these funds. This includes pre-positioning collateral and streamlining legal agreements for the discount window and FHLB. (See: How to Test Your Contingency Funding Plan: Tabletop Exercises & Simulation Drills).

The Regulatory Response: A “Glass Half Empty” Approach

The failures of SVB and Signature Bank have catalyzed a significant shift in the regulatory mindset. Expect heightened scrutiny in several areas:

1. Increased Pace and Force of Supervision: The Federal Reserve’s report noted that “the supervisory approach at Silicon Valley Bank was too deliberative and focused on the continued accumulation of supporting evidence in a consensus-driven environment.” (SVB Report, pg. ii). The FDIC echoed this for Signature Bank, stating it “could have acted sooner and more forcefully.” (Signature Report, pg. 16).

Takeaway: This is a clear directive to examiners to be more aggressive. Expect:

• More frequent Matters Requiring Board Attention (MRBAs).
• Lowered CAMELS component scores.
• Increased informal and formal enforcement actions.
• Less “benefit-of-the-doubt” for perceived risks.

2. Scrutiny of Rapid Growth and Concentrations: Both banks experienced rapid, unrestrained growth without building adequate risk management practices to match. Regulators are now hyper-focused on this.

Takeaway: If your institution has experienced rapid growth (on either the asset or liability side), be prepared to:

• Demonstrate Commensurate Risk Management: Document how your risk management framework (including your CFP) has scaled in lockstep with your growth.
• Mitigate Concentrations: Proactively identify and document mitigating factors for any significant concentrations (depositor type, industry, funding sources, asset classes). This includes having robust Early Warning Indicators for Liquidity Stress: What to Monitor & How to Set Triggers that are tailored to your specific concentration risks.

3. Renewed Focus on Capital and Liquidity Interplay: Vice Chair Barr emphasized: “While the proximate cause of SVB’s failure was a liquidity run, the underlying issue was concern about its solvency.” (SVB Report, pg. 2). Regulators are evaluating how to improve capital requirements, including requiring a broader set of firms to account for unrealized gains or losses on available-for-sale securities.

Takeaway: Boards and management must prioritize a strong capital base, balancing investor expectations with regulatory prudence. Ensure your CFP considers the impact of potential asset sales (and associated losses) on your capital ratios during stress scenarios.

Fortifying Your Contingency Funding Plan: Actionable Steps

The lessons from SVB and Signature Bank underscore the imperative for financial institutions to build resilient CFPs. Here’s a framework for strengthening your plan:

1. Re-evaluate Your Liquidity Risk Assessment: Conduct a fresh assessment with a “glass half empty” mindset. Analyze your deposit composition for concentration and stickiness, especially for uninsured funds. Challenge assumptions on outflow rates and potential contagion.
2. Enhance Stress Testing Scenarios: Develop more severe and tailored stress scenarios that combine idiosyncratic (institution-specific) and systemic (market-wide) shocks, including rapid interest rate increases, targeted social media-driven deposit runs, and adverse market funding conditions. Ensure these scenarios are dynamic and reflect your unique risk profile.
3. Diversify Funding Sources: Actively seek to diversify your funding mix beyond core deposits. Explore FHLB lines, correspondent bank lines, brokered deposits, and other wholesale funding options. Don’t just identify them; build relationships and understand the operational steps for activation.
4. Strengthen Collateral Management: Ensure you have ample, unencumbered collateral readily available to pledge to contingent funding sources (Fed discount window, FHLB). Understand haircut assumptions and operational bottlenecks for collateral mobilization.
5. Refine Early Warning Indicators (EWIs): Implement a robust set of EWIs, both internal (e.g., deposit run-off rates, funding costs) and external (e.g., peer stock performance, credit spreads), with clear, actionable trigger levels. Ensure these are monitored frequently and integrated into your CFP’s escalation protocols.
6. Test Operational Readiness: Go beyond tabletop exercises. Conduct operational dry runs for activating contingent funding sources, including internal approvals, legal documentation, and fund transfers. Identify and resolve any operational impediments before a crisis hits.
7. Reinforce CFP Governance and Oversight: Ensure your board and senior management understand and actively oversee the CFP. Clearly define roles and responsibilities across Treasury, Risk, and other functions. (For guidance, see: CFP Governance: Roles, Responsibilities & Board Reporting). Foster a culture where liquidity risk is everyone’s responsibility.
8. Integrate with Business Continuity: While distinct, your CFP and Business Continuity Plan (BCP) are interconnected. Ensure seamless coordination and clear triggers for activating both plans during a broader crisis. (For more on this, see: What Is a Contingency Funding Plan? A Plain-Language Guide for Risk & Compliance Teams and Contingency Funding Plan vs. Business Continuity Plan: What’s the Difference?).

Conclusion

The failures of SVB and Signature Bank were a painful but invaluable lesson in liquidity risk. They underscored that rapid growth, concentrated funding, and insufficient risk management can quickly lead to catastrophe, even in a seemingly benign environment. For financial institutions today, the message is clear: a robust, tested, and well-governed Contingency Funding Plan is not a regulatory checkbox—it’s a fundamental pillar of resilience and survival. Proactive strengthening of your CFP now will safeguard your institution against future, inevitable liquidity shocks.

---

Need to build a more resilient risk framework? Our Enterprise Risk Management Framework (ERMF) provides a comprehensive, actionable system to identify, assess, monitor, and mitigate risks across your organization. Download it today to enhance your risk posture.

---

FAQ

Q: What were the primary causes of the SVB and Signature Bank failures? A: The primary causes included highly concentrated and uninsured deposit bases that proved volatile, coupled with inadequate interest rate risk management (large unrealized losses on investment portfolios) and insufficient liquidity risk management, including untested contingent funding sources. This led to rapid deposit outflows that the banks could not meet.

Q: How are regulators changing their approach after these bank failures? A: Regulators are adopting a more aggressive and proactive supervisory stance, expecting to issue more Matters Requiring Board Attention (MRBAs), lower CAMELS ratings, and pursue enforcement actions more frequently. They are also increasing scrutiny on institutions with rapid growth, concentrated balance sheets, and the interplay between capital and liquidity risks.

Q: What is the most critical lesson for Contingency Funding Plans (CFPs) from these events? A: The most critical lesson is the need for genuinely actionable and tested CFPs. Plans must account for modern, rapid deposit outflows (e.g., social media-driven bank runs), incorporate realistic and severe stress scenarios that combine interest rate and liquidity shocks, and ensure that all contingent funding sources are operationally ready and regularly exercised. Mere theoretical plans are insufficient.