Liquidity Stress Signals Depositors Can Find in Public Bank Data

This guide shows depositors how to use public bank data to spot liquidity stress signals before a payroll run, client sweep, funding round, or board meeting. It is written for fintech founders, credit analysts, financial journalists, small-bank directors, and operating companies that hold uninsured or operationally important cash.

Start with four public signals: cash-to-deposits, uninsured-deposit share, brokered-deposit reliance, and deposit cost. Treat the cutoffs below as editorial heuristics for depositor review, not regulatory standards or failure predictions.

What Liquidity Means for Depositors

Liquidity is the bank’s ability to meet cash demands without selling assets at damaging prices, losing market confidence, or becoming dependent on emergency funding. Depositors care because liquidity stress can affect confidence, deposit pricing, operational continuity, and, in severe cases, account access after a regulator closes a bank or transfers deposits to another institution.

For insured retail balances, the first question is coverage. The FDIC Your Insured Deposits brochure states that the standard maximum deposit insurance amount is $250,000 per depositor, per insured bank, for each account ownership category.^[8] For a startup, marketplace, payroll company, law firm, municipality, or operating business, the question is usually different: how much cash is uninsured, how quickly would a bank disruption create operating damage, and how many business days would it take to move funds?

Depositor question	Public-data starting point	Why it matters
Can the bank meet normal withdrawals?	Cash and balances due, plus securities and borrowings context	Low immediate cash is not failure, but it raises reliance on other liquidity sources.
Are depositors likely to move quickly?	Uninsured deposits and deposit detail	Uninsured, business, wealth, crypto, fintech, or rate-sensitive deposits can leave faster than sticky local retail balances.
Is replacement funding expensive?	Deposit interest expense and average deposits	A bank paying materially more than peers may be defending or replacing deposits.
Is liquidity being evaluated with credit risk?	Loans, past due loans, capital, income, charge-offs, and allowances	Liquidity stress is more serious when capital, credit, or earnings are also weakening.

Liquidity should be reviewed alongside capital and asset quality. A bank with thin cash but strong capital, stable core deposits, and low credit losses is a different case from a bank with thin cash, high uninsured deposits, rising brokered funding, elevated past dues, and weak earnings.

Public Data Cheat Sheet

Schedule code	Plain-English meaning	Used for in this review
RC	Balance sheet	Cash, securities, loans, borrowings, assets, and liabilities
RC-E	Deposit detail	Domestic deposits, brokered deposits, and deposit mix
RC-O	Other deposit information	Estimated uninsured deposits and related memoranda
RI	Income statement	Deposit interest expense, earnings, and net interest income
RC-K	Quarterly averages	Average deposits for estimating deposit cost

In the sections below, the plain-English metric comes first and the Call Report schedule code follows in parentheses.

Signal 1: Cash to Deposits

What it measures: Cash-to-domestic deposits compares cash and balances due from depository institutions with domestic deposits for the same reporting date (Schedule RC and Schedule RC-E).

Why it matters: Thin immediate cash means the bank may rely more on securities, secured borrowings, deposit inflows, or other liquidity sources when withdrawals rise.

Editorial trigger: Flag cash-to-domestic deposits below 2%, or a decline of more than 50% over four quarters. The 2% cutoff is useful because it highlights banks holding very little immediate cash; the 50% decline highlights sudden change. Peer context can matter more than the raw number for banks with seasonal, specialty, trust, or public-funds deposit models.

Metric pattern	What it suggests	Next check
Cash-to-deposits above peers	More immediate balance-sheet liquidity	Check whether earnings are being sacrificed by holding low-yield cash.
Cash-to-deposits below 2%	More reliance on securities sales, borrowings, deposit inflows, or off-balance-sheet liquidity	Review securities, borrowings, uninsured deposits, brokered deposits, and deposit cost.
Ratio falls by more than 50% in four quarters	Cash may be funding loan growth, deposit runoff, securities repositioning, or operating needs	Compare the change with loan growth and deposit changes.
Peer outlier	The business model may be different, or the bank may be running with less immediate liquidity	Compare banks with similar assets, geography, charter, and specialization.

Takeaway: Low cash is not a failure call; it is a prompt to understand what replaces cash if withdrawals speed up.

Limitation: Cash alone can mislead. Some banks have borrowing capacity, securities they can pledge, stable public deposits, or a business model that keeps little idle cash. The depositor question is narrower: if your uninsured operating balance is large, do you understand what replaces cash when withdrawals rise?

Signal 2: Uninsured Deposits

What it measures: Uninsured-deposit share compares estimated uninsured deposits with domestic deposits (Schedule RC-O and Schedule RC-E). The FDIC FIL-37-2023 on estimated uninsured deposits says Schedule RC-O Memorandum item 2 covers the estimated amount of uninsured deposits and reminds institutions that banks with $1 billion or more in total assets report that item.^[9]

Why it matters: Uninsured balances above FDIC limits have more reason to move during stress, especially when deposits belong to businesses, wealth clients, fintech programs, municipalities, or other rate-sensitive customers.

Editorial trigger: Flag estimated uninsured deposits above 50% of domestic deposits. The cutoff is useful because a majority-uninsured funding base can behave more like confidence-sensitive funding than insured core deposits. Peer context matters more for banks whose normal business model is commercial, wealth, trust, public-funds, or sponsor-bank deposits.

• If uninsured deposits are high and cash is also low, ask what liquidity sources are available before assuming the deposit base is stable.
• If uninsured deposits are high but declining, check whether the decline came from deliberate risk reduction or stress-related runoff.
• If uninsured deposits are high at a fintech sponsor bank, review third-party program deposits, reconciliation controls, and any public enforcement action in addition to the Call Report.
• If uninsured deposits are low, do not stop there; a bank can still face stress from credit losses, securities losses, or expensive funding.

Takeaway: A high uninsured share does not mean a bank is unsafe, but it raises the value of concentration limits and backup operating accounts.

Limitation: The estimate is quarterly, not real-time, and it does not show depositor concentration or the exact behavior of large accounts.

Signal 3: Brokered Deposits

What it measures: Brokered-deposit reliance compares brokered deposits with domestic deposits (Schedule RC-E brokered deposit memoranda and domestic deposits).

Why it matters: Brokered deposits can be a normal funding tool, but heavy reliance may point to a more rate-sensitive funding base. The FDIC Brokered Deposits resource explains that Section 29 of the Federal Deposit Insurance Act restricts institutions that are less than well capitalized from accepting brokered deposits, and that adequately capitalized institutions may request an FDIC waiver.^[10]

Editorial trigger: Flag brokered deposits above 10% of domestic deposits, or an increase of more than 5 percentage points over four quarters. The 10% cutoff is useful because it spots meaningful reliance before brokered funding dominates the deposit base; the 5-point change catches fast shifts. Peer context matters more for online banks and specialty deposit strategies.

• Brokered deposits rising while loans are flat may indicate deposit replacement rather than growth funding.
• Brokered deposits rising while loans are growing quickly may indicate the bank is funding expansion outside its core deposit franchise.
• Brokered deposits paired with high deposit costs can mean the bank must pay up to keep funding.
• Brokered deposits paired with weak capital should be reviewed with capital, because brokered-deposit restrictions are tied to capital category.

Takeaway: Brokered deposits are not bad by themselves; the risk signal is reliance, speed of growth, and whether funding costs or capital are weakening at the same time.

Limitation: Brokered-deposit totals do not explain the purpose, term, pricing, or stability of the funding. Ask whether the bank is replacing local deposits with rate-sensitive or listing-service funding.

Signal 4: Deposit Cost

What it measures: Deposit cost estimates what the bank is paying for deposits by comparing deposit interest expense with average deposits (Schedule RI and Schedule RC-K).

Why it matters: Rising deposit cost can show that a bank is paying more to retain or attract funding. Higher rates can be deliberate, but they can also show funding pressure when paired with deposit runoff or weak earnings.

Editorial trigger: Flag a bank when its annualized deposit cost is more than 100 basis points above a peer median, or when deposit cost rises more than 100 basis points faster than peers over four quarters. The 100-basis-point cutoff is useful because it is large enough to stand out after normal rate noise. Peer context matters more than the raw number during broad rate-cycle moves.

Pattern	Question to ask	Public-data source
Deposit cost much higher than peers	Is the bank competing aggressively for funds?	Interest expense and average deposits
Deposit cost rising quickly	Is funding pressure increasing, or is the bank repricing after market-rate changes?	Four-quarter trend in interest expense and average deposits
High deposit cost plus weak earnings	Can profitability absorb the funding cost?	Net income and net interest income
High deposit cost plus brokered funding	Is the funding base especially rate-sensitive?	Brokered deposits and deposit interest expense

Takeaway: A high deposit rate can be a customer benefit, but a large peer gap should trigger an earnings and funding review.

Limitation: Deposit cost does not show whether the pricing is strategic or defensive. Ask whether the bank has a deliberate online or specialty-deposit strategy, or whether ordinary funding is becoming harder to keep.

A Worked Depositor Mini-Workflow

Use the same sequence every quarter so the answer is repeatable. Suppose Bank A has $2.0 billion of domestic deposits, $30 million of cash and balances due, $1.1 billion of estimated uninsured deposits, $280 million of brokered deposits, and a deposit cost 125 basis points above its peer median.

Step	Calculation	Result	Decision
Cash-to-deposits	$30 million / $2.0 billion	1.5%	Below the 2% review trigger; inspect liquidity sources.
Uninsured share	$1.1 billion / $2.0 billion	55%	Above the 50% escalation threshold; review depositor mix and concentration.
Brokered share	$280 million / $2.0 billion	14%	Above the 10% review threshold; check whether brokered funding is rising.
Deposit cost	Bank cost minus peer median	+125 basis points	Above the 100 basis point trigger; check earnings and net interest margin.
Action	Combine all four signals	Multiple yellow flags	Do not make a public safety claim; reduce uninsured concentration or ask the bank for liquidity and contingency-funding context.

This example uses simple numbers, but the discipline matters. One weak ratio can be noise. Four weak or worsening signals should change the depositor’s behavior, especially when the balance is uninsured or operationally hard to replace.

Use Examples as Screens, Not Verdicts

A screen built from cash and domestic deposits may return outliers because of a specialty model, seasonal deposits, public funds, a small denominator, or an unusual balance-sheet structure. Treat those as case patterns unless you have verified the bank’s Call Report, reporting date, and peer group. Do not publish or act on a safety conclusion from that line alone.

The 2023 failures of Silicon Valley Bank on March 10, Signature Bank on March 12, and First Republic Bank on May 1 are included here for one narrow reason: the FDIC Failed Bank List shows how quickly closure dates can follow a confidence break.^[11] They are not proof that one public ratio predicted failure. A depositor review should look for a testable pattern: deposit runoff, high uninsured funding, rising funding costs, falling cash, shrinking earnings, weakening capital, or worsening credit metrics.

Separate Non-Liquidity Checks

Some public events matter for depositor diligence even when they are not liquidity ratios. Synapse Financial Technologies filed for Chapter 11 bankruptcy protection on April 22, 2024, according to the CFPB Synapse enforcement page.^[12] That was not a bank failure, but it showed why founders should separate bank liquidity review from ledger, reconciliation, third-party, and pass-through insurance review.

The Federal Reserve issued a June 14, 2024 enforcement action against Evolve Bancorp, Inc. and Evolve Bank & Trust for deficiencies in anti-money laundering, risk management, and consumer compliance programs, including fintech partnership oversight.^[13] This is included as a non-liquidity check: a bank can show adequate balance-sheet liquidity while still carrying operational or compliance issues that affect a fintech program’s continuity.

If the bank has commercial real estate concentration risk, liquidity review should also include capital and credit. The December 2006 Interagency CRE Concentration Guidance identifies supervisory screening criteria of construction, land development, and other land loans at 100% or more of total capital, or total CRE loans at 300% or more of total capital with CRE growth of 50% or more during the prior 36 months.^[14] Those are not liquidity ratios, but they tell depositors when credit concentration could amplify liquidity concerns.

Depositor Review Checklist

• Confirm the institution in FDIC BankFind, including legal name, charter, primary regulator, and FDIC-insured status.
• Pull the latest Call Report from the FFIEC Central Data Repository and note whether the bank files FFIEC 031, 041, or 051.
• Calculate cash-to-domestic deposits from cash and domestic deposits; flag ratios below 2% or four-quarter declines above 50%.
• Calculate uninsured deposits as a share of domestic deposits; escalate review above 50%.
• Calculate brokered deposits as a share of domestic deposits; review reliance above 10% or a four-quarter increase above 5 percentage points.
• Estimate deposit cost using interest expense and average deposits; compare with peers and flag gaps above 100 basis points.
• Review capital, loans, past dues, income, charge-offs and recoveries, and allowances before drawing any safety conclusion.
• Search FDIC, OCC, and Federal Reserve enforcement pages when a bank is a sponsor bank, has rapid growth, or shows several liquidity yellow flags.
• Reduce uninsured concentration when several signals are weak and the balance is needed for payroll, customer funds, client settlements, or daily operations.

The decision rule is simple: one yellow flag means read more; two or three yellow flags mean compare peers and ask the bank direct questions; four or more yellow flags mean do not leave avoidable uninsured concentration in place without a documented reason.

FAQ

Can public Call Report data tell me whether a bank will fail? No. It can show liquidity, funding, capital, earnings, and credit signals that deserve review. It cannot show a bank’s full contingency funding plan, intraday cash position, depositor conversations, or supervisory ratings.

Is a low cash-to-deposits ratio always bad? No. Some banks hold other liquid assets, have stable funding, or operate models that use little idle cash. Low cash becomes more important when uninsured deposits, brokered deposits, and deposit costs are also high or rising.

Should fintech founders use the same screen for sponsor banks? Yes, but it is only the balance-sheet part of diligence. Founders also need third-party risk review, ledger reconciliation review, program deposit structure, pass-through insurance analysis, and enforcement-action checks.

What should a board member ask management after seeing several yellow flags? Ask for the contingency funding plan, top depositor concentrations, uninsured-deposit trend, available secured borrowing capacity, securities pledge capacity, brokered-deposit plan, and a peer comparison for deposit cost and liquidity.

Sources

[1] FDIC BankFind – FDIC-insured institution lookup. URL: https://banks.data.fdic.gov/bankfind-suite/bankfind

[2] FFIEC Central Data Repository – public Call Report data. URL: https://cdr.ffiec.gov/public/

[3] FFIEC 041 reporting page – domestic-bank Call Report form information. URL: https://www.ffiec.gov/resources/reporting-forms/ffiec041

[4] FDIC current Call Report forms and instructions – current forms and instruction updates. URL: https://www.fdic.gov/bank-financial-reports/current-quarter-call-report-forms-instructions-and-related-materials

[5] FDIC Enforcement Decisions and Orders – public FDIC enforcement records. URL: https://orders.fdic.gov/s/

[6] OCC Enforcement Actions Search – public OCC enforcement records. URL: https://apps.occ.gov/EASearch/

[7] Federal Reserve Enforcement Actions Search – public Federal Reserve enforcement records. URL: https://www.federalreserve.gov/apps/enforcementactions/search.aspx

[8] FDIC Your Insured Deposits – deposit insurance coverage brochure. URL: https://www.fdic.gov/resources/deposit-insurance/brochures/insured-deposits

[9] FDIC FIL-37-2023 – estimated uninsured deposit reporting expectations. URL: https://www.fdic.gov/news/financial-institution-letters/2023/estimated-uninsured-deposits-reporting-expectations

[10] FDIC Brokered Deposits – brokered-deposit rules and resources. URL: https://www.fdic.gov/resources/bankers/brokered-deposits/

[11] FDIC Failed Bank List – official failed-bank closure list. URL: https://www.fdic.gov/bank-failures/failed-bank-list

[12] CFPB Synapse Financial Technologies enforcement page – Synapse bankruptcy and consumer-finance context. URL: https://www.consumerfinance.gov/enforcement/actions/synapse-financial-technologies-inc/

[13] Federal Reserve Evolve enforcement action – June 14, 2024 enforcement action press release. URL: https://www.federalreserve.gov/newsevents/pressreleases/enforcement20240614a.htm?ftag=YHF4eb9d17

[14] Federal Reserve Interagency CRE Concentration Guidance – supervisory screening criteria for commercial real estate concentrations. URL: https://www.federalreserve.gov/frrs/guidance/interagency-guidance-on-concentrations-in-commercial-real-estate-lending-sound-risk-management-practices.htm

Continue reading→