FKYS (First Keystone) Cyclically Adjusted PB Ratio: 0.75 (As of Jul. 29, 2026) — 26% Below Median

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Director of Data and Quant Analytics at GuruFocus
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Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

FKYS First Keystone Corp FKYS
57 GF Score
Price $18.50
GF Value $18.16
Valuation Fairly Valued
! 7 Warning Signs
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What is First Keystone Cyclically Adjusted PB Ratio?

First Keystone FKYS +0.05% 57 Cyclically Adjusted PB Ratio is 0.75 as of Jul. 29, 2026, which is 26% below its 10-year median of 1.01. GuruFocus rates FKYS with a GF Score™ of 57/100 and a GF Value™ of $18.16 (Fairly Valued). The stock has 7 warning signs investors should review. Among 1,290 Banks companies, First Keystone ranks better than 77.13% on this metric.

As of today (2026-07-29), First Keystone's current share price is $18.50. First Keystone's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was $24.69. First Keystone's Cyclically Adjusted PB Ratio for today is 0.75.

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

FKYS' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.45   Med: 1.01   Max: 1.6
Current: 0.75

During the past years, First Keystone's highest Cyclically Adjusted PB Ratio was 1.60. The lowest was 0.45. And the median was 1.01.

FKYS's Cyclically Adjusted PB Ratio is ranked better than
77.13% of 1290 companies
in the Banks industry
Industry Median: 1.27 vs FKYS: 0.75

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.

First Keystone's adjusted book value per share data for the three months ended in Mar. 2026 was $18.204. 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 $24.69 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


First Keystone  (OTCPK:FKYS) 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.


First Keystone Cyclically Adjusted PB Ratio Related Terms


First Keystone Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for First Keystone'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.

First Keystone Cyclically Adjusted PB Ratio Chart

First Keystone 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 1.04 0.84 0.65 0.55 0.81

First Keystone 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 0.61 0.62 0.70 0.81 0.79

FKYS vs BSBK, WSBK, JFBC: Cyclically Adjusted PB Ratio Comparison

For the Banks - Regional subindustry, First Keystone'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.


First Keystone Cyclically Adjusted PB Ratio vs Banks Industry

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

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


FKYS
57GF Score
First Keystone Corp FKYS
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

First Keystone 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.

First Keystone's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=18.50/24.69
=0.75

* 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.

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

For example, First Keystone'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)
=18.204/330.2130*330.2130
=18.204

Current CPI (Mar. 2026) = 330.2130.

First Keystone Quarterly Data

Book Value per Share CPI Adj_Book
201606 20.782 241.018 28.473
201609 20.566 241.428 28.129
201612 19.341 241.432 26.453
201703 19.633 243.801 26.592
201706 20.105 244.955 27.103
201709 20.208 246.819 27.036
201712 20.409 246.524 27.337
201803 19.659 249.554 26.013
201806 19.734 251.989 25.860
201809 19.612 252.439 25.654
201812 20.253 251.233 26.620
201903 21.008 254.202 27.290
201906 21.711 256.143 27.989
201909 22.043 256.759 28.349
201912 22.134 256.974 28.442
202003 22.317 258.115 28.551
202006 23.518 257.797 30.124
202009 23.946 260.280 30.380
202012 24.514 260.474 31.077
202103 24.226 264.877 30.202
202106 24.937 271.696 30.308
202109 24.922 274.310 30.001
202112 24.980 278.802 29.586
202203 22.394 287.504 25.721
202206 20.963 296.311 23.361
202209 19.237 296.808 21.402
202212 20.001 296.797 22.253
202303 20.700 301.836 22.646
202306 19.981 305.109 21.625
202309 18.884 307.789 20.260
202312 19.966 306.746 21.493
202403 16.855 312.332 17.820
202406 16.345 314.175 17.179
202409 17.356 315.301 18.177
202412 17.170 315.605 17.965
202503 17.122 319.799 17.680
202506 17.293 322.561 17.703
202509 17.972 324.800 18.272
202512 18.026 324.054 18.369
202603 18.204 330.213 18.204

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 0.75 mean?
First Keystone (FKYS) has a Cyclically Adjusted PB Ratio of 0.75 as of Jul. 29, 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 First Keystone and its competitors. This is 26% below median its historical median of 1.01. Over the past decade, First Keystone's Cyclically Adjusted PB Ratio has ranged from 0.45 to 1.60. According to the industry distribution chart, First Keystone ranks #295 out of 1290 companies in the Banks industry, placing it in the top 22.9%.
Is First Keystone's Cyclically Adjusted PB Ratio too high?
First Keystone's current Cyclically Adjusted PB Ratio of 0.75 is 26% below median its 10-year median of 1.01. Over the past 10 years, this metric has ranged from a low of 0.45 to a high of 1.60. The Banks industry median Cyclically Adjusted PB Ratio is 1.27. First Keystone's value of 0.75 is 40.9% below this industry median. Based on the distribution chart, First Keystone ranks #295 out of 1290 companies in the Banks industry, which is in the top quartile — a strong position relative to peers. Overall, First Keystone has a GF Score™ of 57/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does First Keystone's Cyclically Adjusted PB Ratio compare to BSBK and WSBK?
According to the Banks industry distribution chart, First Keystone ranks #295 out of 1290 companies for Cyclically Adjusted PB Ratio. This places First Keystone in the top 23% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 1.27. First Keystone's value of 0.75 is 40.9% below this benchmark. Historically, First Keystone's own Cyclically Adjusted PB Ratio has ranged from 0.45 to 1.60 over the past decade. While the company's 10-year median is 1.01 vs. the industry median of 1.27, First Keystone 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 1.27, based on 1,290 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. First Keystone's current Cyclically Adjusted PB Ratio of 0.75 is 40.9% 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 First Keystone and its competitors. For the Banks industry, the median Cyclically Adjusted PB Ratio is 1.27 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. First Keystone's current Cyclically Adjusted PB Ratio is 0.75, which is 26% below median its own 10-year median of 1.01. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is First Keystone stock overvalued right now?
Based on GuruFocus' analysis, First Keystone (FKYS) is currently considered Fairly Valued. The stock's GF Value™ is $18.16, compared to a current price of $18.50 — trading 1.9% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.75, which is 26% below median its 10-year median of 1.01 and 40.9% below the Banks industry median of 1.27. First Keystone's overall GF Score™ is 57/100 with 7 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 First Keystone (FKYS), the current Cyclically Adjusted PB Ratio is 0.75 as of Jul. 29, 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 First Keystone (FKYS) Overvalued in 2026?

Based on GuruFocus' analysis, First Keystone stock appears to be overvalued. The current stock price of $18.50 is trading 1.9% above its estimated GF Value™ of $18.16. GuruFocus considers First Keystone to be Fairly Valued.

Key valuation signals for FKYS:

  • Cyclically Adjusted PB Ratio: 0.75 (26% below median its 10-year median of 1.01)
  • GF Value™: $18.16 vs. price of $18.50 (1.9% above fair value)
  • GF Score™: 57/100 with 7 warning signs
  • Industry Position: 40.9% below the Banks median (#295 of 1290)

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


First Keystone Business Description

Address 111 West Front Street, Berwick, PA, USA, 18603
First Keystone Corp is a full-service commercial bank that provides a variety of services to individuals and small to medium-sized businesses in the Northeastern Pennsylvania area. The bank accepts time, demand, and savings deposits and offers both secured and unsecured loans for commercial, real estate, agricultural, and consumer needs. Additionally, the bank provides personal and corporate trust and agency services, which include trust investment accounts, investment advisory services, mutual funds, estate planning, and the management of pension and profit-sharing plans.
57GF Score

Get the complete analysis for FKYS

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

$18.50
Price
$18.16
GF Value