AMTB (Amerant Bancorp) Net Interest Margin (Bank Only) %: 3.63% (As of Mar. 2026)


AMTB Amerant Bancorp Inc AMTB
65 GF Score
Price $25.19
GF Value $21.51
Valuation Modestly Overvalued
! 6 Warning Signs
View Full Analysis

What is Amerant Bancorp Net Interest Margin (Bank Only) %?

Amerant Bancorp AMTB -0.90% 65 Net Interest Margin (Bank Only) % is 3.63% as of Mar. 2026. GuruFocus rates AMTB with a GF Score™ of 65/100 and a GF Value™ of $21.51 (Modestly Overvalued). The stock has 6 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. Amerant Bancorp's annualized Net Interest Income (for Banks) for the quarter that ended in Mar. 2026 was $321.1 Mil. Amerant Bancorp's average earning assets for the quarter that ended in Mar. 2026 was $8,852.9 Mil. Therefore, Amerant Bancorp's annualized Net Interest Margin (Bank Only) % for the quarter that ended in Mar. 2026 was 3.63%.


Amerant Bancorp  (NYSE:AMTB) 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.


Amerant Bancorp Net Interest Margin (Bank Only) % Related Terms


Amerant Bancorp Net Interest Margin (Bank Only) % Historical Data

* Premium members only.

The historical data trend for Amerant Bancorp'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.

Amerant Bancorp Net Interest Margin (Bank Only) % Chart

Amerant Bancorp 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 2.97 3.56 3.88 3.77 4.17

Amerant Bancorp 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 3.93 4.05 4.16 4.06 3.63

AMTB vs CCNE, CPF, BFST: Net Interest Margin (Bank Only) % Comparison

For the Banks - Regional subindustry, Amerant Bancorp'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.


Amerant Bancorp Net Interest Margin (Bank Only) % vs Banks Industry

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

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


AMTB
65GF Score
Amerant Bancorp Inc AMTB
Net Interest Margin (Bank Only) % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Amerant Bancorp 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).

Amerant Bancorp'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 )
=360.685/( (8650.406 + 8651.59)/ 2 )
=360.685/8650.998
=4.17 %

where

Earning Assets(A: Dec. 2024 )
=Money Market Investments + Net Loan + Securities & Investments
=24.4 + 7186.359 + 1439.647
=8650.406

Earning Assets(A: Dec. 2025 )
=Money Market Investments + Net Loan + Securities & Investments
=6.2 + 6617.959 + 2027.431
=8651.59

Amerant Bancorp'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 )
=321.124/( (8651.59 + 9054.281)/ 2 )
=321.124/8852.9355
=3.63 %

where

Earning Assets(Q: Dec. 2025 )
=Money Market Investments + Net Loan + Securities & Investments
=6.2 + 6617.959 + 2027.431
=8651.59

Earning Assets(Q: Mar. 2026 )
=Money Market Investments + Net Loan + Securities & Investments
=6.9 + 6674.545 + 2372.836
=9054.281

* 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 3.63% mean?
Amerant Bancorp (AMTB) has a Net Interest Margin (Bank Only) % of 3.63% 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 Amerant Bancorp and its competitors.
Is Amerant Bancorp's Net Interest Margin (Bank Only) % too high?
Amerant Bancorp's current Net Interest Margin (Bank Only) % is 3.63%. Overall, Amerant Bancorp has a GF Score™ of 65/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Amerant Bancorp's Net Interest Margin (Bank Only) % compare to CCNE and CPF?
Amerant Bancorp's Net Interest Margin (Bank Only) % of 3.63% 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 Amerant Bancorp and its competitors. Amerant Bancorp's current Net Interest Margin (Bank Only) % is 3.63%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Amerant Bancorp stock overvalued right now?
Based on GuruFocus' analysis, Amerant Bancorp (AMTB) is currently considered Modestly Overvalued. The stock's GF Value™ is $21.51, compared to a current price of $25.19 — trading 17.1% above its estimated fair value. The current Net Interest Margin (Bank Only) % is 3.63%. Amerant Bancorp's overall GF Score™ is 65/100 with 6 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 Amerant Bancorp (AMTB), the current Net Interest Margin (Bank Only) % is 3.63% 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 Amerant Bancorp (AMTB) Overvalued in 2026?

Based on GuruFocus' analysis, Amerant Bancorp stock appears to be overvalued. The current stock price of $25.19 is trading 17.1% above its estimated GF Value™ of $21.51. GuruFocus considers Amerant Bancorp to be Modestly Overvalued.

Key valuation signals for AMTB:

  • Net Interest Margin (Bank Only) %: 3.63%
  • GF Value™: $21.51 vs. price of $25.19 (17.1% above fair value)
  • GF Score™: 65/100 with 6 warning signs

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


Amerant Bancorp Business Description

Address 220 Alhambra Circle, Coral Gables, FL, USA, 33134
Amerant Bancorp Inc is a bank holding company. Through its bank, it provides individuals and businesses deposit, credit, investment, wealth management, and fiduciary services, both in the United States and to select international customers. The bank also provides banking services through traditional channels, such as banking centers and ATMs, as well as via secure websites, mobile devices and telephones.
65GF Score

Get the complete analysis for AMTB

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

$25.19
Price
$21.51
GF Value