BFC (Bank First) Net Interest Margin (Bank Only) %: 4.75% (As of Mar. 2026)


BFC Bank First Corp BFC
68 GF Score
Price $147.90
GF Value $135.64
Valuation Fairly Valued
! 4 Warning Signs
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What is Bank First Net Interest Margin (Bank Only) %?

Bank First BFC +2.23% 68 Net Interest Margin (Bank Only) % is 4.75% as of Mar. 2026. GuruFocus rates BFC with a GF Score™ of 68/100 and a GF Value™ of $135.64 (Fairly Valued). The stock has 4 warning signs investors should review.

Net Interest Margin (Bank Only) % is a measure of the difference between the interest income generated by banks or other financial institutions and the amount of interest paid out to their lenders (for example, deposits), relative to the amount of their interest-earning assets. It is usually calculated as a percentage of what the financial institution earns on loans in a time period and other assets minus the interest paid on borrowed funds divided by the average amount of the assets on which it earned income in that time period (the average earning assets).

GuruFocus calculates Net Interest Margin (Bank Only) % as Net Interest Income (for Banks) divided by its average earning assets. Bank First's annualized Net Interest Income (for Banks) for the quarter that ended in Mar. 2026 was $212.9 Mil. Bank First's average earning assets for the quarter that ended in Mar. 2026 was $4,479.2 Mil. Therefore, Bank First's annualized Net Interest Margin (Bank Only) % for the quarter that ended in Mar. 2026 was 4.75%.


Bank First  (NAS:BFC) Net Interest Margin (Bank Only) % Explanation

The negative value of Net Interest Margin (Bank Only) % mean the firm pays more interest for its debt than the interest revenue generated from its investment.


Bank First Net Interest Margin (Bank Only) % Related Terms


Bank First Net Interest Margin (Bank Only) % Historical Data

* Premium members only.

The historical data trend for Bank First's Net Interest Margin (Bank Only) % can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Bank First Net Interest Margin (Bank Only) % Chart

Bank First Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Net Interest Margin (Bank Only) %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 3.75 3.66 3.92 3.72 3.94

Bank First Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Net Interest Margin (Bank Only) % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 3.83 3.84 3.96 4.15 4.75

BFC vs RBCAA, QCRH, HOPE: Net Interest Margin (Bank Only) % Comparison

For the Banks - Regional subindustry, Bank First's Net Interest Margin (Bank Only) %, along with its competitors' market caps and Net Interest Margin (Bank Only) % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Bank First Net Interest Margin (Bank Only) % vs Banks Industry

For the Banks industry and Financial Services sector, Bank First's Net Interest Margin (Bank Only) % distribution charts can be found below:

* The bar in red indicates where Bank First's Net Interest Margin (Bank Only) % falls into.


BFC
68GF Score
Bank First Corp BFC
Net Interest Margin (Bank Only) % is just one metric. See GF Score™, valuation, warning signs, and more.
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Bank First Net Interest Margin (Bank Only) % Calculation

Net Interest Margin (Bank Only) % (NIM) is a measure of the difference between the interest income generated by banks or other financial institutions and the amount of interest paid out to their lenders (for example, deposits), relative to the amount of their interest-earning assets. It is usually calculated as a percentage of what the financial institution earns on loans in a time period and other assets minus the interest paid on borrowed funds divided by the average amount of the assets on which it earned income in that time period (the average earning assets).

Bank First's annualized Net Interest Margin (Bank Only) % for the fiscal year that ended in Dec. 2025 is calculated as

Net Interest Margin (Bank Only) %(A: Dec. 2025 )
=(Interest Income + Interest Expense)/Average Earning Assets
=Net Interest Income (for Banks)/( (Earning Assets (A: Dec. 2024 ) + Earning Assets (A: Dec. 2025 ))/ count )
=151.658/( (3832.565 + 3858.281)/ 2 )
=151.658/3845.423
=3.94 %

where

Earning Assets(A: Dec. 2024 )
=Money Market Investments + Net Loan + Securities & Investments
=0 + 3476.105 + 356.46
=3832.565

Earning Assets(A: Dec. 2025 )
=Money Market Investments + Net Loan + Securities & Investments
=0 + 3566.52 + 291.761
=3858.281

Bank First's annualized Net Interest Margin (Bank Only) % for the quarter that ended in Mar. 2026 is calculated as

Net Interest Margin (Bank Only) %(Q: Mar. 2026 )
=(Interest Income + Interest Expense)/Average Earning Assets
=Net Interest Income (for Banks)/( (Earning Assets (Q: Dec. 2025 ) + Earning Assets (Q: Mar. 2026 ))/ count )
=212.864/( (3858.281 + 5100.148)/ 2 )
=212.864/4479.2145
=4.75 %

where

Earning Assets(Q: Dec. 2025 )
=Money Market Investments + Net Loan + Securities & Investments
=0 + 3566.52 + 291.761
=3858.281

Earning Assets(Q: Mar. 2026 )
=Money Market Investments + Net Loan + Securities & Investments
=0 + 4468.31 + 631.838
=5100.148

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Note: Interest Expense is the negative value.

In the calculation of annual Net Interest Margin (Bank Only) %, the Net Interest Income (for Banks) of the last fiscal year and the average earning assets over the fiscal year are used. In calculating the quarterly data, the Net Interest Income (for Banks) data used here is four times the quarterly (Mar. 2026) net interest income data. Net Interest Margin (Bank Only) % is displayed in the 30-year financial page for Banks.

What does a Net Interest Margin (Bank Only) % of 4.75% mean?
Bank First (BFC) has a Net Interest Margin (Bank Only) % of 4.75% as of Mar. 2026. Net interest margin is the ratio of a bank's net interest income to its average two-period earning assets. View historical data on Bank First and its competitors.
Is Bank First's Net Interest Margin (Bank Only) % too high?
Bank First's current Net Interest Margin (Bank Only) % is 4.75%. Overall, Bank First has a GF Score™ of 68/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Bank First's Net Interest Margin (Bank Only) % compare to RBCAA and QCRH?
Bank First's Net Interest Margin (Bank Only) % of 4.75% can be compared against companies in the Banks industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Net Interest Margin (Bank Only) % for a Banks company?
A good Net Interest Margin (Bank Only) % depends on the Banks industry context. However, Net Interest Margin (Bank Only) % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Net Interest Margin (Bank Only) % mean?
A high Net Interest Margin (Bank Only) % can signal that a stock is expensive relative to its fundamentals. Net interest margin is the ratio of a bank's net interest income to its average two-period earning assets. View historical data on Bank First and its competitors. Bank First's current Net Interest Margin (Bank Only) % is 4.75%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Bank First stock overvalued right now?
Based on GuruFocus' analysis, Bank First (BFC) is currently considered Fairly Valued. The stock's GF Value™ is $135.64, compared to a current price of $147.90 — trading 9% above its estimated fair value. The current Net Interest Margin (Bank Only) % is 4.75%. Bank First's overall GF Score™ is 68/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Net Interest Margin (Bank Only) % calculated?
Net Interest Margin (Bank Only) % is calculated from a company's financial statements. For Bank First (BFC), the current Net Interest Margin (Bank Only) % is 4.75% as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Bank First (BFC) Overvalued in 2026?

Based on GuruFocus' analysis, Bank First stock appears to be overvalued. The current stock price of $147.90 is trading 9% above its estimated GF Value™ of $135.64. GuruFocus considers Bank First to be Fairly Valued.

Key valuation signals for BFC:

  • Net Interest Margin (Bank Only) %: 4.75%
  • GF Value™: $135.64 vs. price of $147.90 (9% above fair value)
  • GF Score™: 68/100 with 4 warning signs

No single metric tells the full story. See the BFC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Bank First Business Description

Address 402 North 8th Street, Manitowoc, WI, USA, 54220
Bank First Corp is a United States-based company engaged in providing financial services, a full range of consumer and commercial financial institution services to individuals and businesses, including retail and commercial banking in Wisconsin. These services include credit cards; secured and unsecured consumer, commercial, and real estate loans; demand, time, and savings deposits; and ATM processing. The Corporation also offers a full line of insurance services and checking accounts, savings accounts, money market accounts, cash management accounts, certificates of deposit, commercial and industrial loans, commercial real estate loans, construction and development loans, residential mortgages, consumer loans, credit cards, online banking, telephone banking, and mobile banking.
68GF Score

Get the complete analysis for BFC

Net Interest Margin (Bank Only) % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$147.90
Price
$135.64
GF Value