MNMB (Merchants & Marine Bancorp) Cyclically Adjusted PB Ratio: 0.82 (As of Sep. 07, 2026) — 21% Above Median

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Director of Data and Quant Analytics at GuruFocus
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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 Cyclically Adjusted PB Ratio?

Merchants & Marine Bancorp MNMB +1.83% 64 Cyclically Adjusted PB Ratio is 0.82 as of Sep. 07, 2026, which is 21% above its 10-year median of 0.68. 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 1,274 Banks companies, Merchants & Marine Bancorp ranks better than 75.35% on this metric.

As of today (2026-09-07), Merchants & Marine Bancorp's current share price is $54.99. Merchants & Marine Bancorp's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was $66.96. Merchants & Marine Bancorp's Cyclically Adjusted PB Ratio for today is 0.82.

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

MNMB' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.57   Med: 0.68   Max: 0.87
Current: 0.82

During the past years, Merchants & Marine Bancorp's highest Cyclically Adjusted PB Ratio was 0.87. The lowest was 0.57. And the median was 0.68.

MNMB's Cyclically Adjusted PB Ratio is ranked better than
75.35% of 1274 companies
in the Banks industry
Industry Median: 1.29 vs MNMB: 0.82

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

Merchants & Marine Bancorp's adjusted book value per share data for the three months ended in Jun. 2026 was $69.209. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is $66.96 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Merchants & Marine Bancorp  (OTCPK:MNMB) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.


Merchants & Marine Bancorp Cyclically Adjusted PB Ratio Related Terms


Merchants & Marine Bancorp Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Merchants & Marine Bancorp's Cyclically Adjusted PB 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 Cyclically Adjusted PB Ratio Chart

Merchants & Marine Bancorp Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.69 0.65 0.76 0.66 0.59

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
Cyclically Adjusted PB 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 0.59 0.61 0.59 0.59 0.75

MNMB vs DWNX, CBWA, CBAF: Cyclically Adjusted PB Ratio Comparison

For the Banks - Regional subindustry, Merchants & Marine Bancorp's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB 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 Cyclically Adjusted PB Ratio vs Banks Industry

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

* The bar in red indicates where Merchants & Marine Bancorp's Cyclically Adjusted PB Ratio falls into.


MNMB
64GF Score
Merchants & Marine Bancorp Inc MNMB
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Merchants & Marine Bancorp Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.

Merchants & Marine Bancorp's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=54.99/66.96
=0.82

* 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 Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

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

Adj_Book=Book Value per Share/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=69.209/333.9520*333.9520
=69.209

Current CPI (Jun. 2026) = 333.9520.

Merchants & Marine Bancorp Quarterly Data

Book Value per Share CPI Adj_Book
201606 0.000 241.018 0.000
201609 0.000 241.428 0.000
201612 51.104 241.432 70.688
201703 50.582 243.801 69.286
201706 0.000 244.955 0.000
201709 0.000 246.819 0.000
201712 52.962 246.524 71.745
201803 50.425 249.554 67.479
201806 50.822 251.989 67.353
201809 50.881 252.439 67.311
201812 53.612 251.233 71.264
201903 53.406 254.202 70.161
201906 54.955 256.143 71.649
201909 55.752 256.759 72.513
201912 58.265 256.974 75.719
202003 57.503 258.115 74.398
202006 59.452 257.797 77.015
202009 59.777 260.280 76.697
202012 61.514 260.474 78.867
202103 60.720 264.877 76.555
202106 61.679 271.696 75.812
202109 61.644 274.310 75.047
202112 61.736 278.802 73.948
202203 57.399 287.504 66.672
202206 54.344 296.311 61.247
202209 51.732 296.808 58.206
202212 52.854 296.797 59.471
202303 50.757 301.836 56.158
202306 50.334 305.109 55.092
202312 55.004 306.746 59.882
202403 54.520 312.332 58.294
202406 55.268 314.175 58.747
202409 58.120 315.301 61.558
202412 56.733 315.605 60.031
202503 57.680 319.799 60.233
202506 56.558 322.561 58.555
202509 58.501 324.800 60.149
202512 60.490 324.054 62.338
202603 60.670 330.213 61.357
202606 69.209 333.952 69.209

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

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.

What does a Cyclically Adjusted PB Ratio of 0.82 mean?
Merchants & Marine Bancorp (MNMB) has a Cyclically Adjusted PB Ratio of 0.82 as of Sep. 07, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Merchants & Marine Bancorp and its competitors. This is 21% above median its historical median of 0.68. Over the past decade, Merchants & Marine Bancorp's Cyclically Adjusted PB Ratio has ranged from 0.57 to 0.87. According to the industry distribution chart, Merchants & Marine Bancorp ranks #314 out of 1274 companies in the Banks industry, placing it in the top 24.6%.
Is Merchants & Marine Bancorp's Cyclically Adjusted PB Ratio too high?
Merchants & Marine Bancorp's current Cyclically Adjusted PB Ratio of 0.82 is 21% above median its 10-year median of 0.68. Over the past 10 years, this metric has ranged from a low of 0.57 to a high of 0.87. The Banks industry median Cyclically Adjusted PB Ratio is 1.29. Merchants & Marine Bancorp's value of 0.82 is 36.4% below this industry median. Based on the distribution chart, Merchants & Marine Bancorp ranks #314 out of 1274 companies in the Banks industry, which is in the top quartile — a strong position relative to peers. 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 Cyclically Adjusted PB Ratio compare to DWNX and CBWA?
According to the Banks industry distribution chart, Merchants & Marine Bancorp ranks #314 out of 1274 companies for Cyclically Adjusted PB Ratio. This places Merchants & Marine Bancorp in the top 25% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 1.29. Merchants & Marine Bancorp's value of 0.82 is 36.4% below this benchmark. Historically, Merchants & Marine Bancorp's own Cyclically Adjusted PB Ratio has ranged from 0.57 to 0.87 over the past decade. While the company's 10-year median is 0.68 vs. the industry median of 1.29, 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 Cyclically Adjusted PB Ratio for a Banks company?
The median Cyclically Adjusted PB Ratio among Banks companies is 1.29, based on 1,274 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Merchants & Marine Bancorp's current Cyclically Adjusted PB Ratio of 0.82 is 36.4% 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 Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Merchants & Marine Bancorp and its competitors. For the Banks industry, the median Cyclically Adjusted PB Ratio is 1.29 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Merchants & Marine Bancorp's current Cyclically Adjusted PB Ratio is 0.82, which is 21% above median its own 10-year median of 0.68. 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 Cyclically Adjusted PB Ratio is 0.82, which is 21% above median its 10-year median of 0.68 and 36.4% below the Banks industry median of 1.29. 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 Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Merchants & Marine Bancorp (MNMB), the current Cyclically Adjusted PB Ratio is 0.82 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:

  • Cyclically Adjusted PB Ratio: 0.82 (21% above median its 10-year median of 0.68)
  • GF Value™: $72.46 vs. price of $54.99 (24.1% below fair value)
  • GF Score™: 64/100 with 4 warning signs
  • Industry Position: 36.4% below the Banks median (#314 of 1274)

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

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

$54.99
Price
$72.46
GF Value