MNMB (Merchants & Marine Bancorp) Shiller PE Ratio: 13.00 (As of Sep. 07, 2026) — 10% Above Median

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MNMB Merchants & Marine Bancorp Inc MNMB
64 GF Score
Price $54.99
GF Value $72.46
Valuation Modestly Undervalued
! 4 Warning Signs
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What is Merchants & Marine Bancorp Shiller PE Ratio?

Merchants & Marine Bancorp MNMB +1.83% 64 Shiller PE Ratio is 13.00 as of Sep. 07, 2026, which is 10% above its 10-year median of 11.82. GuruFocus rates MNMB with a GF Score™ of 64/100 and a GF Value™ of $72.46 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 1,236 Banks companies, Merchants & Marine Bancorp ranks better than 56.8% on this metric.

As of today (2026-09-07), Merchants & Marine Bancorp's current share price is $54.99. Merchants & Marine Bancorp's E10 for the quarter that ended in Jun. 2026 was $4.23. Merchants & Marine Bancorp's Shiller PE Ratio for today is 13.00.

The historical rank and industry rank for Merchants & Marine Bancorp's Shiller PE Ratio or its related term are showing as below:

MNMB' s Shiller PE Ratio Range Over the Past 10 Years
Min: 9.31   Med: 11.82   Max: 17.03
Current: 13.01

During the past years, Merchants & Marine Bancorp's highest Shiller PE Ratio was 17.03. The lowest was 9.31. And the median was 11.82.

MNMB's Shiller PE Ratio is ranked better than
56.8% of 1236 companies
in the Banks industry
Industry Median: 14.01 vs MNMB: 13.01

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.

Merchants & Marine Bancorp's adjusted earnings per share data for the three months ended in Jun. 2026 was $8.478. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $4.23 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Merchants & Marine Bancorp  (OTCPK:MNMB) Shiller PE Ratio Explanation

Compared with the regular PE Ratio, which works poorly for cyclical businesses, the Shiller PE Ratio smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Shiller PE Ratio should give similar results to regular PE Ratio.

Compared with the PS Ratio, the Shiller PE Ratio makes the comparison between different industries more meaningful.


Be Aware

Shiller PE Ratio assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, Shiller PE Ratio and PS Ratio will give false valuations.


Merchants & Marine Bancorp Shiller PE Ratio Related Terms


Merchants & Marine Bancorp Shiller PE Ratio Historical Data

* Premium members only.

The historical data trend for Merchants & Marine Bancorp's Shiller PE Ratio 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.

Merchants & Marine Bancorp Shiller PE Ratio Chart

Merchants & Marine Bancorp Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Shiller PE Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 11.49 11.32 0.00 12.79 12.00

Merchants & Marine Bancorp Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Shiller PE Ratio 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 12.09 12.30 12.00 12.24 11.83

MNMB vs DWNX, CBWA, CBAF: Shiller PE Ratio Comparison

For the Banks - Regional subindustry, Merchants & Marine Bancorp's Shiller PE Ratio, along with its competitors' market caps and Shiller PE Ratio 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.


Merchants & Marine Bancorp Shiller PE Ratio vs Banks Industry

For the Banks industry and Financial Services sector, Merchants & Marine Bancorp's Shiller PE Ratio distribution charts can be found below:

* The bar in red indicates where Merchants & Marine Bancorp's Shiller PE Ratio falls into.


MNMB
64GF Score
Merchants & Marine Bancorp Inc MNMB
Shiller PE Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Merchants & Marine Bancorp Shiller PE Ratio Calculation

For Shiller PE Ratio, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller PE Ratio is also called PE10.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.

Merchants & Marine Bancorp's Shiller PE Ratio for today is calculated as

Shiller PE Ratio=Share Price/ E10
=54.99/4.23
=13.00

* 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.

Merchants & Marine Bancorp's E10 for the quarter that ended in Jun. 2026 is calculated as:

For example, Merchants & Marine Bancorp's adjusted earnings per share data for the three months ended in Jun. 2026 was:

Adj_EPS=Earnings per Share (Diluted)/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=8.478/333.9520*333.9520
=8.478

Current CPI (Jun. 2026) = 333.9520.

Merchants & Marine Bancorp Quarterly Data

Earnings per Share (Diluted) CPI Adj_EPS
201606 0.000 241.018 0.000
201609 0.000 241.428 0.000
201612 0.000 241.432 0.000
201703 0.000 243.801 0.000
201706 0.000 244.955 0.000
201709 0.000 246.819 0.000
201712 0.000 246.524 0.000
201803 0.000 249.554 0.000
201806 0.680 251.989 0.901
201809 1.726 252.439 2.283
201812 0.000 251.233 0.000
201903 0.271 254.202 0.356
201906 0.271 256.143 0.353
201909 0.881 256.759 1.146
201912 0.970 256.974 1.261
202003 0.633 258.115 0.819
202006 1.995 257.797 2.584
202009 0.233 260.280 0.299
202012 0.158 260.474 0.203
202103 0.430 264.877 0.542
202106 0.651 271.696 0.800
202109 0.484 274.310 0.589
202112 0.077 278.802 0.092
202203 0.119 287.504 0.138
202206 0.180 296.311 0.203
202209 1.057 296.808 1.189
202212 0.880 296.797 0.990
202303 0.873 301.836 0.966
202306 0.530 305.109 0.580
202312 0.000 306.746 0.000
202403 0.516 312.332 0.552
202406 0.778 314.175 0.827
202409 1.260 315.301 1.335
202412 1.510 315.605 1.598
202503 0.422 319.799 0.441
202506 0.236 322.561 0.244
202509 1.071 324.800 1.101
202512 0.731 324.054 0.753
202603 0.070 330.213 0.071
202606 8.478 333.952 8.478

Add all the adjusted EPS together and divide 10 will get our E10.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

Frequently Asked Questions Learn more about Shiller PE Ratio →
What does a Shiller PE Ratio of 13.00 mean?
Merchants & Marine Bancorp (MNMB) has a Shiller PE Ratio of 13.00 as of Sep. 07, 2026. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Merchants & Marine Bancorp and its competitors. This is 10% above median its historical median of 11.82. Over the past decade, Merchants & Marine Bancorp's Shiller PE Ratio has ranged from 9.31 to 17.03. According to the industry distribution chart, Merchants & Marine Bancorp ranks #534 out of 1236 companies in the Banks industry, placing it in the top 43.2%.
Is Merchants & Marine Bancorp's Shiller PE Ratio too high?
Merchants & Marine Bancorp's current Shiller PE Ratio of 13.00 is 10% above median its 10-year median of 11.82. Over the past 10 years, this metric has ranged from a low of 9.31 to a high of 17.03. The Banks industry median Shiller PE Ratio is 14.01. Merchants & Marine Bancorp's value of 13.00 is 7.2% below this industry median. Based on the distribution chart, Merchants & Marine Bancorp ranks #534 out of 1236 companies in the Banks industry, which is above the industry midpoint. Overall, Merchants & Marine Bancorp has a GF Score™ of 64/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Merchants & Marine Bancorp's Shiller PE Ratio compare to DWNX and CBWA?
According to the Banks industry distribution chart, Merchants & Marine Bancorp ranks #534 out of 1236 companies for Shiller PE Ratio. This puts Merchants & Marine Bancorp in the upper half of its industry. The industry median Shiller PE Ratio is 14.01. Merchants & Marine Bancorp's value of 13.00 is 7.2% below this benchmark. Historically, Merchants & Marine Bancorp's own Shiller PE Ratio has ranged from 9.31 to 17.03 over the past decade. While the company's 10-year median is 11.82 vs. the industry median of 14.01, Merchants & Marine Bancorp has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Shiller PE Ratio for a Banks company?
The median Shiller PE Ratio among Banks companies is 14.01, based on 1,236 companies in the industry. Companies in the top quartile (top 25%) have a Shiller PE Ratio significantly above this median, while those in the bottom quartile fall well below. However, Shiller PE Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Merchants & Marine Bancorp's current Shiller PE Ratio of 13.00 is 7.2% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Shiller PE Ratio mean?
A high Shiller PE Ratio can signal that a stock is expensive relative to its fundamentals. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Merchants & Marine Bancorp and its competitors. For the Banks industry, the median Shiller PE Ratio is 14.01 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Merchants & Marine Bancorp's current Shiller PE Ratio is 13.00, which is 10% above median its own 10-year median of 11.82. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Merchants & Marine Bancorp stock overvalued right now?
Based on GuruFocus' analysis, Merchants & Marine Bancorp (MNMB) is currently considered Modestly Undervalued. The stock's GF Value™ is $72.46, compared to a current price of $54.99 — trading 24.1% below its estimated fair value. The current Shiller PE Ratio is 13.00, which is 10% above median its 10-year median of 11.82 and 7.2% below the Banks industry median of 14.01. Merchants & Marine Bancorp's overall GF Score™ is 64/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shiller PE Ratio calculated?
Shiller PE Ratio is calculated from a company's financial statements. For Merchants & Marine Bancorp (MNMB), the current Shiller PE Ratio is 13.00 as of Sep. 07, 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 Merchants & Marine Bancorp (MNMB) Overvalued in 2026?

Based on GuruFocus' analysis, Merchants & Marine Bancorp stock appears to be undervalued. The current stock price of $54.99 is trading 24.1% below its estimated GF Value™ of $72.46. GuruFocus considers Merchants & Marine Bancorp to be Modestly Undervalued.

Key valuation signals for MNMB:

  • Shiller PE Ratio: 13.00 (10% above median its 10-year median of 11.82)
  • GF Value™: $72.46 vs. price of $54.99 (24.1% below fair value)
  • GF Score™: 64/100 with 4 warning signs
  • Industry Position: 7.2% below the Banks median (#534 of 1236)

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


Merchants & Marine Bancorp Business Description

Address 3118 Pascagoula Street, Pascagoula, MS, USA, 39567
Merchants & Marine Bancorp Inc provides full-service financial banking services to individuals, partnerships, corporations, and governmental agencies. Its deposit products include checking accounts, savings accounts, individual retirement accounts, and certificates of deposit. The bank generates commercial, mortgage, and consumer loans and receives deposits from customers located in Jackson and George Counties in Mississippi and Baldwin County in Alabama. The bank provides services such as Personal Banking, Mortgage Loans, Digital Banking, Credit Cards and Others.
64GF Score

Get the complete analysis for MNMB

Shiller PE Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$54.99
Price
$72.46
GF Value