Guide · Data methodology · 6 min read

How Bank Health Grades Work

PlainBankData assigns A-F letter grades to every FDIC-insured bank using four key financial metrics from official FDIC quarterly Call Report data.

The short answer

Each bank's grade is a 0–100 score from four FDIC metrics, capital, profitability, loan quality, and efficiency, converted to an A–F letter.

40%
Tier 1 capital ratio weight
25%
Return on assets weight
20%
Texas Ratio weight
15%
Efficiency ratio weight

A low grade does not mean your money is at risk, FDIC-insured deposits are protected to $250,000 per depositor, per ownership category, at every bank.

The Four Pillars

Our health grade combines four metrics into a 100-point score, then converts to a letter grade:

How the 100-point health score is weighted
  1. 1
    Tier 1 Capital Ratio 40%

    core capital ÷ risk-weighted assets, loss-absorption capacity

  2. 2
    Return on Assets (ROA) 25%

    profit per dollar of assets, earnings durability

  3. 3
    Texas Ratio 20%

    troubled loans ÷ capital + reserves, credit risk

  4. 4
    Efficiency Ratio 15%

    operating cost ÷ revenue, cost discipline

Each pillar's share of the PlainBankData health score. All four are reported on the FDIC Call Report; weights reflect each metric's predictive value for bank distress.

40%
Tier 1 Capital Ratio (FDIC field: IDT1CER)

Core capital divided by risk-weighted assets. This is the most important safety metric. Regulatory minimums: 6% (adequate), 8% (well-capitalized). Exceptional banks maintain 12-20%.

Scoring: ≥15% → 40pts | ≥12% → 35pts | ≥10% → 28pts | ≥8% → 18pts | ≥6% → 8pts
25%
Return on Assets (FDIC field: ROA)

Net income divided by total assets (annualized). Measures how efficiently a bank uses its assets to generate profit. Industry average: ~1%. Above 1.5% is exceptional.

Scoring: ≥1.5% → 25pts | ≥1.0% → 20pts | ≥0.5% → 14pts | ≥0% → 7pts | negative → 0pts
20%
Texas Ratio (computed from FDIC fields)

Non-performing loans (NPLTOTAL) divided by tangible equity plus loan loss reserves (LNLSRES). A ratio above 100% is a serious warning sign. Below 15% is healthy.

Scoring: <5% → 20pts | <15% → 16pts | <30% → 10pts | <50% → 4pts | ≥50% → 0pts
15%
Efficiency Ratio (FDIC field: EEFFR)

Operating expenses divided by net revenue. Lower is better, it means the bank spends less to generate each dollar of income. Under 60% is efficient; over 80% is costly.

Scoring: <50% → 15pts | <60% → 12pts | <70% → 8pts | <80% → 4pts | ≥80% → 0pts

Grade Scale

A
80-100 pts
Excellent
B
65-79 pts
Good
C
50-64 pts
Fair
D
35-49 pts
Weak
F
0-34 pts
At Risk

Data Source & Limitations

All data comes from the FDIC BankFind Suite API, which aggregates quarterly Call Report submissions from all FDIC-insured institutions. Data is for Q4 2025 (REPDTE: 20251231).

Limitations: Not all banks report all fields. Banks without Tier 1 capital data (often very large institutions with consolidated reporting) receive scores based on available metrics only. Grades are informational, not investment advice.

Frequently Asked Questions

What does a Grade A bank mean?

A Grade A bank has an excellent health score (80-100/100). It has strong capital ratios, consistent profitability, minimal problem loans, and efficient operations. These are the financial strongest banks in the country.

Is a Grade F bank dangerous?

Grade F banks have financial weaknesses, but your FDIC-insured deposits (up to $250,000) are still fully protected. A low grade means the bank may be struggling with capital, profitability, or loan quality, not that failure is imminent or certain.

What is the Texas Ratio?

The Texas Ratio was developed by Gerard Cassidy at RBC Capital Markets in the 1980s to predict bank failures. It measures non-performing assets divided by tangible equity capital plus loan loss reserves. A ratio above 100% indicates the bank has more problem loans than capital to absorb losses.

Put the grades to work

Three ways to use a bank's health grade.

  • Screen the strongest and weakest banks nationwide by their composite grade. Safest banks
  • Open any bank profile to see the four pillars that produced its grade. Browse banks
  • Read the full pipeline, field codes, and scoring thresholds behind every grade. Methodology

Not financial advice. Health grades are PlainBankData's interpretation of public FDIC Call Report data, not official FDIC ratings.