The liquidity coverage ratio (LCR) is a Basel III banking rule that requires a bank to hold enough easily sellable assets to cover 30 days of severe funding stress on its own. The formula divides a bank’s stock of high-quality liquid assets by its projected net cash outflows over that 30-day window, and the result must be at least 1.0, or 100%.
The rule came out of the 2008 financial crisis, when institutions that looked solvent on paper ran out of cash within days once short-term funding markets froze. The LCR is meant to prevent a repeat by forcing banks to keep a reserve they could actually spend if funding disappeared tomorrow.
How the Ratio Works
The LCR answers a single question: if funding markets shut down, could this bank meet its obligations for a full month without outside help? Regulators picked the 30-day horizon as the time a bank would need either to stabilize its position or to be wound down in an orderly way.
It is not a one-time snapshot. The largest U.S. banks calculate and maintain the ratio every business day. Smaller covered banks calculate it monthly.
What Counts as High-Quality Liquid Assets
The numerator, called HQLA, consists of assets a bank could sell or pledge for cash quickly even in a panicked market. The Basel framework sorts them into three tiers, each with its own valuation rules and portfolio limits.
Level 1 assets are the safest: central bank reserves, sovereign government bonds, and similar instruments backed by the full faith of a government. They count at full market value with no reduction and face no cap on how much of the HQLA pool they can make up.
Level 2A assets include securities issued by government-sponsored enterprises and highly rated corporate bonds. Each Level 2A asset takes a 15% haircut, so only 85% of its market value counts toward HQLA.
Level 2B assets are riskier: lower-rated corporate debt, certain residential mortgage-backed securities, and publicly traded common equity. Corporate debt and common equity carry a 50% haircut. Qualifying mortgage-backed securities take a 25% haircut.
Level 2 assets combined cannot exceed 40% of the total HQLA pool, and within that cap Level 2B alone cannot exceed 15%. The effect is that government-backed instruments form the core of every bank’s buffer, with riskier assets playing only a supporting role.
How Net Cash Outflows Are Estimated
The denominator estimates how much cash a bank would lose during 30 days of severe stress. Banks apply “run-off rates” to each category of funding, reflecting how likely different depositors and creditors are to pull their money.
Retail deposits from individuals are treated as the stickiest source. Fully insured stable deposits carry a 5% run-off rate, meaning the bank assumes just 5% of those balances would leave. Less stable retail deposits get 10%.
Wholesale funding is treated as far more flighty. Non-operational wholesale deposits from other financial institutions can carry run-off rates as high as 100%, on the assumption that institutional money flees first in a crisis. Operational deposits tied to clearing, custody, and cash management services sit in the middle, typically at 25%. The calculation also captures maturing debt, derivative payment triggers, and draws on unused credit lines that borrowers might tap in a panic.
Banks do expect some cash to come in during a stress period from maturing loans and other receivables. The LCR caps those aggregate inflows at 75% of expected outflows. That forces every covered bank to hold HQLA equal to at least 25% of its gross outflows regardless of what it thinks it will collect.
Which Banks Have to Comply
U.S. regulators sort banking organizations into four categories based on asset size, cross-jurisdictional activity, wholesale funding levels, and other risk indicators. The LCR requirement scales with systemic importance.
- Category I, global systemically important banks, are subject to the full LCR, calculated daily.
- Category II covers banks with $700 billion or more in assets or $75 billion or more in cross-jurisdictional activity. They also face the full LCR, calculated daily.
- Category III covers banks with $250 billion or more in assets, or $100 billion or more with significant risk indicators. Those with $75 billion or more in weighted short-term wholesale funding face the full LCR; those below apply a reduced 85% outflow adjustment.
- Category IV covers banks with $100 billion or more in assets that do not meet higher-category thresholds. Those with $50 billion or more in weighted short-term wholesale funding apply a 70% outflow adjustment and calculate the ratio monthly rather than daily.
The LCR obligation also flows down to subsidiary national banks and federal savings associations with at least $10 billion in consolidated assets when their parent is subject to LCR requirements.
What Happens If a Bank Falls Below 100%
The whole point of a buffer is to spend it when trouble hits, and the Basel Committee explicitly envisions banks drawing down their HQLA during stress, temporarily going under the 100% minimum. That is the buffer working as designed.
In practice, dropping below 100% triggers immediate regulatory consequences. A bank must notify its primary federal supervisor on any business day its LCR falls short. If the ratio stays below 100% for three consecutive business days, the bank must submit a written remediation plan explaining how it will restore compliance. That combination of notification and supervisory scrutiny gives banks a strong reason to keep their LCR comfortably above 100% at all times, which can discourage them from actually using the buffer the rule created.
Reporting and Public Disclosure
The largest banks report their liquidity positions to the Federal Reserve daily through a standardized monitoring template that captures asset types, counterparty information, collateral values, maturity buckets, encumbrance status, and settlement details. Category IV institutions and Category III banks with lower wholesale funding report monthly.
Covered banks also have to disclose their LCR to the public each quarter. Disclosures follow a standardized tabular format and must appear prominently on the bank’s website or in a public regulatory filing. Banks must keep disclosed information available for at least five years on a rolling basis, giving investors and counterparties a running record of each institution’s liquidity position.
How the LCR Relates to the NSFR
The LCR addresses whether a bank can survive the next 30 days. Its companion rule, the Net Stable Funding Ratio (NSFR), asks a different question over a one-year horizon: is the bank funding long-term assets with appropriately long-term liabilities? The NSFR was designed to discourage the heavy reliance on short-term wholesale funding that proved catastrophic in 2008, and U.S. regulators apply it through the same tiered category framework that governs the LCR.
What the 2023 Bank Failures Revealed
The March 2023 collapse of Silicon Valley Bank exposed a gap in the LCR framework’s reach. SVB was not subject to LCR requirements at all. After 2019 tailoring rules raised the threshold for mandatory compliance, banks of SVB’s size fell outside the regulation’s scope. When depositors withdrew roughly $42 billion in a single day, the bank had no regulatory liquidity buffer to absorb the shock.
The episode renewed debate over whether LCR applicability thresholds sit too high and whether the run-off rates assigned to certain deposit categories underestimate how fast money can move in the age of mobile banking and social media. The Basel Committee has said it will explore policy options on liquidity risk, including how to improve the usability of liquidity buffers so banks actually deploy them during stress rather than hoard reserves to avoid regulatory stigma.