FDIC Cert #9881 · Miami, Oklahoma · Est. 1922

Security Bank and Trust Company - FDIC Bank Health Profile

A community-scale look at Security Bank and Trust Company's own numbers, pulled straight from its quarterly FDIC Call Report.

$152M
Total assets
B
Health grade · Good
1.30%
Return on assets
10.3%
Tier 1 capital

Data updated July 2026

The verdict

Security Bank and Trust Company earns a PlainBankData health grade of B (72/100), with well-capitalized at 10.26% Tier 1, profitable at 1.30% ROA, 64% efficiency ratio.

#3,331
largest of 4,313 FDIC banks by assets
23rd
percentile by asset size, nationally
10.26%
Tier 1 ratio - above the 10% well-capitalized line
64th
percentile for profitability (ROA), nationally

PlainBankData assigns this grade from public Call Report data; it isn't an official FDIC rating, and your deposits remain insured to $250,000 per depositor, per ownership category no matter the score.

How Security Bank and Trust Company's 72/100 score adds up

Each factor is scored from this bank's own FDIC Call Report figures, then summed to the composite health score.

Security Bank and Trust Company's composite health score

0/100100/100National avg77/10072/100
Security Bank and Trust Company's composite health score
Tier 1 Capital Ratio (10.26%) 28/40
Return on Assets (ROA) (1.30%) 20/25
Texas Ratio (7.81%) 16/20
Efficiency Ratio (64.36%) 8/15

72 of 100 points earned across four weighted factors. See our methodology for the full scoring formula.

Balance sheet at a glance

Total Assets

$152M

Total balance-sheet footings

Total Deposits

$131M

Customer-funded liabilities

Net Loans

$121M

Outstanding loan book

Net Income

$2M

Bottom-line earnings

Capital adequacy vs federal thresholds

0% 2% 4% 6% 8% 10% 12% CET1 (≥6.5% req.) Tier 1 (≥8.0% req.) Total (≥10.0% req.) 8.86% 10.26% 11.66%
Basel III capital ratios - Security Bank and Trust Company

Where Security Bank and Trust Company ranks

Every one of the 4,307 FDIC-insured banks with a computed health score, bucketed by score. Security Bank and Trust Company's score of 72/100 falls in the highlighted band.

Security Bank and Trust Company's size among FDIC-insured banks

Every one of the 4,307 FDIC-insured banks with reported assets, bucketed by total-asset scale (note the buckets are powers of 10, most banks cluster in the $100M-$1B range). Security Bank and Trust Company's $152M falls in the highlighted band.

Safety metrics

Tier 1 capital ratio
Well-capitalized 10%

10.26% of risk-weighted assets - above the federal "well-capitalized" threshold of 10%.

Tier 1 Capital Ratio
10.26%
Texas Ratio
7.81%
Equity Capital
$12M

What these ratios mean →

Profitability metrics

Return on Assets (ROA)
64th percentile nationally
1.30%
Return on Equity (ROE)
16.49%
Efficiency Ratio
64.36%

What these mean →

What the numbers say about Security Bank and Trust Company

Security Bank and Trust Company is an FDIC-insured institution (Certificate #9881) headquartered in Miami, Oklahoma, established in 1922. It holds $152M in total assets - 3,331st of 4,313 FDIC-insured banks, $131M in customer deposits, and $121M in net loans. Its capital position: a Tier 1 ratio of 10.26%, meeting the 10% federal well-capitalized bar, alongside a Texas Ratio of 7.81% that is well inside the healthy sub-50% band. That combination rolls up into a PlainBankData health grade of B (72 of 100), blending Tier 1 capital, ROA, the Texas Ratio, and efficiency. These figures come directly from the bank's quarterly FDIC Call Report.

Security Bank and Trust Company is a community-scale institution -- 113th of 172 FDIC-insured banks headquartered in Oklahoma by asset size. Its modest footprint doesn't diminish its role: community banks this size are typically the primary lender for small local businesses and agricultural borrowers that larger regional banks tend to underserve.

Income & expense breakdown

$10M
Interest Income
$746K
Non-Interest Income
$4M
Non-Interest Expense

Asset quality, Texas Ratio detail

The Texas Ratio compares troubled assets to the capital available to absorb losses. Security Bank and Trust Company reports a Texas Ratio of 7.81% - comfortably in the healthy band; non-performing loans are a small fraction of the bank’s loss-absorbing capital.

Texas Ratio
Caution 50%

7.81% - lower is safer; 100% is the level at which troubled assets equal loss-absorbing capital.

FDIC Failed Bank List → View Security Bank and Trust Company on FDIC BankFind →

Top banks in Oklahoma by total assets

Largest banks headquartered in Oklahoma
  1. 1
    BOKF $52.0B

    Tulsa, OK · Grade A

  2. 2
    MidFirst Bank $41.4B

    Oklahoma City, OK · Grade B

  3. 3

    Durant, OK · Grade B

  4. 4
    BancFirst $12.1B

    Oklahoma City, OK · Grade A

  5. 5
    InterBank $5.5B

    Oklahoma City, OK · Grade B

Top 5 banks in Oklahoma ranked by total assets · FDIC Call Report Q4 2025.

Source: FDIC BankFind Suite, Call Report (FFIEC 031/041) Security Bank and Trust Company (FDIC Cert #9881) - Tier 1 capital ratio, total assets, deposits, ROA/ROE · 2025 FDIC Call Reports filed quarterly; latest publicly-available vintage shown. Health grades are PlainBankData's interpretation of regulatory filings and are not official FDIC ratings.

Other banks in Oklahoma

All Oklahoma banks →
BankAssetsGradeROA
BOKF, National AssociationTulsa $52.0B A 1.10%
MidFirst BankOklahoma City $41.4B B 1.19%
First United Bank and Trust CompanyDurant $16.3B B 0.97%
BancFirstOklahoma City $12.1B A 1.79%
InterBankOklahoma City $5.5B B 3.60%
Stride Bank, National AssociationEnid $4.9B A 2.10%
RCB BankClaremore $4.1B A 1.32%
First Fidelity BankOklahoma City $2.9B B 0.94%

Frequently asked questions

What is Security Bank and Trust Company's health grade?
Security Bank and Trust Company receives a health grade of B (72/100) based on four FDIC financial metrics: Tier 1 Capital Ratio (40%), Return on Assets (25%), Texas Ratio (20%), and Efficiency Ratio (15%). This bank shows good financial health with solid capital levels above regulatory minimums.
How large is Security Bank and Trust Company?
Security Bank and Trust Company holds $152M in total assets and $131M in deposits, ranking 3,331st of 4,313 FDIC-insured banks by asset size. It is headquartered in Miami, Oklahoma.
Is my money safe at Security Bank and Trust Company?
Yes, deposits at Security Bank and Trust Company (Certificate #9881) are FDIC-insured up to $250,000 per depositor, per ownership category, regardless of health grade.
What is Security Bank and Trust Company's Tier 1 Capital Ratio?
Security Bank and Trust Company has a Tier 1 Capital Ratio of 10.26%. That clears the federal 10% bar regulators use to call a bank "well-capitalized."
What is the Texas Ratio for Security Bank and Trust Company?
Security Bank and Trust Company has a Texas Ratio of 7.81%. Staying under 50% is the level analysts treat as healthy. The Texas Ratio measures non-performing loans against equity and reserves, a higher ratio signals greater exposure to loan losses.
How efficient is Security Bank and Trust Company?
Security Bank and Trust Company has an Efficiency Ratio of 64.36%. Past the 60% mark, a bigger slice of revenue is absorbed by operating costs. This metric compares non-interest expenses to total revenue.

What to do with this

How to read Security Bank and Trust Company's profile as a depositor or analyst.

  • Security Bank and Trust Company's grade reflects capital, profitability, and asset quality, read the four pillars before drawing conclusions. How grades work
  • Compare Security Bank and Trust Company against other Oklahoma banks before moving funds. Oklahoma banks

Not financial advice. Health grades are PlainBankData's interpretation of public FDIC Call Report data, not official FDIC ratings or predictions. Verify the latest figures at the FDIC BankFind Suite.

Every figure on PlainBankData is rendered directly from FDIC federal source data, no number is typed in by an editor. Informational only, not professional advice; consult a qualified professional before acting on it. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Q4 2025.

Disclaimer: Data from the FDIC BankFind Suite. PlainBankData does not rate or rank banks as investment or safety recommendations. Health grades are informational only, computed from public regulatory filings. Always verify current standing directly with FDIC.gov before making financial decisions.