ABBB (Auburn Bancorp) Cyclically Adjusted PB Ratio: 0.64 (As of Jul. 23, 2026) — 10% Above Median

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ABBB Auburn Bancorp Inc ABBB
55 GF Score
Price $10.25
GF Value $9.67
Valuation Fairly Valued
! 2 Warning Signs
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What is Auburn Bancorp Cyclically Adjusted PB Ratio?

Auburn Bancorp ABBB 55 Cyclically Adjusted PB Ratio is 0.64 as of Jul. 23, 2026, which is 10% above its 10-year median of 0.58. GuruFocus rates ABBB with a GF Score™ of 55/100 and a GF Value™ of $9.67 (Fairly Valued). The stock has 2 warning signs investors should review. Among 1,291 Banks companies, Auburn Bancorp ranks better than 81.49% on this metric.

As of today (2026-07-23), Auburn Bancorp's current share price is $10.25. Auburn Bancorp's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was $15.99. Auburn Bancorp's Cyclically Adjusted PB Ratio for today is 0.64.

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

ABBB' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.55   Med: 0.58   Max: 0.65
Current: 0.64

During the past years, Auburn Bancorp's highest Cyclically Adjusted PB Ratio was 0.65. The lowest was 0.55. And the median was 0.58.

ABBB's Cyclically Adjusted PB Ratio is ranked better than
81.49% of 1291 companies
in the Banks industry
Industry Median: 1.26 vs ABBB: 0.64

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.

Auburn Bancorp's adjusted book value per share data for the three months ended in Mar. 2026 was $13.917. 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 $15.99 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Auburn Bancorp  (OTCPK:ABBB) 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.


Auburn Bancorp Cyclically Adjusted PB Ratio Related Terms


Auburn Bancorp Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Auburn 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.

Auburn Bancorp Cyclically Adjusted PB Ratio Chart

Auburn Bancorp Annual Data
Trend Jun09 Jun10 Jun11 Jun19 Jun20 Jun21 Jun22 Jun23 Jun24 Jun25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.57

Auburn Bancorp Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 0.00 0.57 0.61 0.58 0.64

ABBB vs MFBI, LWCL, EWSB: Cyclically Adjusted PB Ratio Comparison

For the Banks - Regional subindustry, Auburn 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.


Auburn Bancorp Cyclically Adjusted PB Ratio vs Banks Industry

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

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


ABBB
55GF Score
Auburn Bancorp Inc ABBB
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Auburn 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.

Auburn Bancorp's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=10.25/15.99
=0.64

* 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.

Auburn Bancorp's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, Auburn Bancorp's adjusted Book Value per Share data for the three months ended in Mar. 2026 was:

Adj_Book=Book Value per Share/CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=13.917/330.2130*330.2130
=13.917

Current CPI (Mar. 2026) = 330.2130.

Auburn Bancorp Quarterly Data

Book Value per Share CPI Adj_Book
200712 0.000 210.036 0.000
200803 8.990 213.528 13.903
200806 8.982 218.815 13.555
200809 11.571 218.783 17.464
200812 11.531 210.228 18.112
200903 11.565 212.709 17.954
200906 11.738 215.693 17.970
200909 11.716 215.969 17.914
200912 11.831 215.949 18.091
201003 11.913 217.631 18.076
201006 12.028 217.965 18.222
201009 12.026 218.439 18.180
201012 12.225 219.179 18.418
201103 12.105 223.467 17.887
201106 12.167 225.722 17.799
201109 12.276 226.889 17.866
201112 12.046 225.672 17.626
201906 14.716 256.143 18.971
202006 15.549 257.797 19.917
202103 15.909 264.877 19.833
202106 16.117 271.696 19.588
202109 0.000 274.310 0.000
202112 16.159 278.802 19.139
202203 14.726 287.504 16.914
202206 13.567 296.311 15.119
202209 11.932 296.808 13.275
202212 12.268 296.797 13.649
202303 12.720 301.836 13.916
202306 12.340 305.109 13.355
202309 11.143 307.789 11.955
202312 12.965 306.746 13.957
202403 12.485 312.332 13.200
202406 12.358 314.175 12.989
202409 10.851 315.301 11.364
202412 12.217 315.605 12.782
202503 12.791 319.799 13.208
202506 12.998 322.561 13.306
202509 13.634 324.800 13.861
202512 14.122 324.054 14.390
202603 13.917 330.213 13.917

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 0.64 mean?
Auburn Bancorp (ABBB) has a Cyclically Adjusted PB Ratio of 0.64 as of Jul. 23, 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 Auburn Bancorp and its competitors. This is 10% above median its historical median of 0.58. Over the past decade, Auburn Bancorp's Cyclically Adjusted PB Ratio has ranged from 0.55 to 0.65. According to the industry distribution chart, Auburn Bancorp ranks #239 out of 1291 companies in the Banks industry, placing it in the top 18.5%.
Is Auburn Bancorp's Cyclically Adjusted PB Ratio too high?
Auburn Bancorp's current Cyclically Adjusted PB Ratio of 0.64 is 10% above median its 10-year median of 0.58. Over the past 10 years, this metric has ranged from a low of 0.55 to a high of 0.65. The Banks industry median Cyclically Adjusted PB Ratio is 1.26. Auburn Bancorp's value of 0.64 is 49.2% below this industry median. Based on the distribution chart, Auburn Bancorp ranks #239 out of 1291 companies in the Banks industry, which is in the top quartile — a strong position relative to peers. Overall, Auburn Bancorp has a GF Score™ of 55/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Auburn Bancorp's Cyclically Adjusted PB Ratio compare to MFBI and LWCL?
According to the Banks industry distribution chart, Auburn Bancorp ranks #239 out of 1291 companies for Cyclically Adjusted PB Ratio. This places Auburn Bancorp in the top 19% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 1.26. Auburn Bancorp's value of 0.64 is 49.2% below this benchmark. Historically, Auburn Bancorp's own Cyclically Adjusted PB Ratio has ranged from 0.55 to 0.65 over the past decade. While the company's 10-year median is 0.58 vs. the industry median of 1.26, Auburn 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 1.26, based on 1,291 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. Auburn Bancorp's current Cyclically Adjusted PB Ratio of 0.64 is 49.2% 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 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 Auburn Bancorp and its competitors. For the Banks industry, the median Cyclically Adjusted PB Ratio is 1.26 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Auburn Bancorp's current Cyclically Adjusted PB Ratio is 0.64, which is 10% above median its own 10-year median of 0.58. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Auburn Bancorp stock overvalued right now?
Based on GuruFocus' analysis, Auburn Bancorp (ABBB) is currently considered Fairly Valued. The stock's GF Value™ is $9.67, compared to a current price of $10.25 — trading 6% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.64, which is 10% above median its 10-year median of 0.58 and 49.2% below the Banks industry median of 1.26. Auburn Bancorp's overall GF Score™ is 55/100 with 2 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 Auburn Bancorp (ABBB), the current Cyclically Adjusted PB Ratio is 0.64 as of Jul. 23, 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 Auburn Bancorp (ABBB) Overvalued in 2026?

Based on GuruFocus' analysis, Auburn Bancorp stock appears to be overvalued. The current stock price of $10.25 is trading 6% above its estimated GF Value™ of $9.67. GuruFocus considers Auburn Bancorp to be Fairly Valued.

Key valuation signals for ABBB:

  • Cyclically Adjusted PB Ratio: 0.64 (10% above median its 10-year median of 0.58)
  • GF Value™: $9.67 vs. price of $10.25 (6% above fair value)
  • GF Score™: 55/100 with 2 warning signs
  • Industry Position: 49.2% below the Banks median (#239 of 1291)

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


Auburn Bancorp Business Description

Address 256 Court Street, P.O. Box 3157, Auburn, ME, USA, 04212
Auburn Bancorp Inc., through its subsidiary, Auburn Savings Bank, FSB, grants residential, consumer. The company serves individuals, families, and businesses. It offers deposits, loans, cards, and various other online banking services.
55GF Score

Get the complete analysis for ABBB

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

$10.25
Price
$9.67
GF Value