Westamerica Bancorp (FRA:WB1) Cyclically Adjusted PB Ratio: 1.91 (As of Jul. 31, 2026) — 15% Below Median

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FRA:WB1 Westamerica Bancorp FRA:WB1
65 GF Score
Price €51.50
GF Value €39.39
! 8 Warning Signs
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What is Westamerica Bancorp Cyclically Adjusted PB Ratio?

Westamerica Bancorp FRA:WB1 -0.96% 65 Cyclically Adjusted PB Ratio is 1.91 as of Jul. 31, 2026, which is 15% below its 10-year median of 2.26. GuruFocus rates FRA:WB1 with a GF Score™ of 65/100 and a GF Value™ of €39.39. The stock has 8 warning signs investors should review. Among 1,288 Banks companies, Westamerica Bancorp ranks worse than 76.01% on this metric.

As of today (2026-07-31), Westamerica Bancorp's current share price is €51.50. Westamerica Bancorp's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was €26.96. Westamerica Bancorp's Cyclically Adjusted PB Ratio for today is 1.91.

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

FRA:WB1' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.33   Med: 2.26   Max: 3.33
Current: 1.85

During the past years, Westamerica Bancorp's highest Cyclically Adjusted PB Ratio was 3.33. The lowest was 1.33. And the median was 2.26.

FRA:WB1's Cyclically Adjusted PB Ratio is ranked worse than
76.01% of 1288 companies
in the Banks industry
Industry Median: 1.26 vs FRA:WB1: 1.85

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.

Westamerica Bancorp's adjusted book value per share data for the three months ended in Mar. 2026 was €32.310. 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 €26.96 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Westamerica Bancorp  (FRA:WB1) 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.


Westamerica Bancorp Cyclically Adjusted PB Ratio Related Terms


Westamerica Bancorp Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Westamerica 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.

Westamerica Bancorp Cyclically Adjusted PB Ratio Chart

Westamerica 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 2.18 2.12 1.97 1.75 1.51

Westamerica Bancorp Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 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 1.56 1.59 1.51 1.61 0.00

FRA:WB1 vs CTBI, BHRB, FMBH: Cyclically Adjusted PB Ratio Comparison

For the Banks - Regional subindustry, Westamerica 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.


Westamerica Bancorp Cyclically Adjusted PB Ratio vs Banks Industry

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

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


FRA:WB1
65GF Score
Westamerica Bancorp FRA:WB1
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Westamerica 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.

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

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=51.50/26.96
=1.91

* 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.

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

For example, Westamerica 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)
=32.31/330.2130*330.2130
=32.310

Current CPI (Mar. 2026) = 330.2130.

Westamerica Bancorp Quarterly Data

Book Value per Share CPI Adj_Book
201606 19.386 241.018 26.560
201609 19.545 241.428 26.733
201612 20.542 241.432 28.096
201703 20.807 243.801 28.182
201706 20.152 244.955 27.166
201709 19.253 246.819 25.758
201712 18.874 246.524 25.281
201803 17.753 249.554 23.491
201806 18.827 251.989 24.671
201809 19.001 252.439 24.855
201812 20.243 251.233 26.607
201903 21.607 254.202 28.068
201906 22.761 256.143 29.343
201909 23.978 256.759 30.838
201912 24.325 256.974 31.258
202003 23.709 258.115 30.332
202006 26.643 257.797 34.127
202009 26.058 260.280 33.059
202012 25.905 260.474 32.841
202103 25.394 264.877 31.658
202106 26.020 271.696 31.624
202109 26.512 274.310 31.915
202112 27.246 278.802 32.270
202203 23.702 287.504 27.223
202206 21.706 296.311 24.189
202209 20.229 296.808 22.506
202212 21.120 296.797 23.498
202303 22.534 301.836 24.653
202306 22.578 305.109 24.436
202309 22.799 307.789 24.460
202312 26.574 306.746 28.607
202403 27.302 312.332 28.865
202406 28.396 314.175 29.846
202409 30.692 315.301 32.144
202412 31.822 315.605 33.295
202503 32.394 319.799 33.449
202506 31.234 322.561 31.975
202509 31.615 324.800 32.142
202512 32.377 324.054 32.992
202603 32.310 330.213 32.310

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 1.91 mean?
Westamerica Bancorp (FRA:WB1) has a Cyclically Adjusted PB Ratio of 1.91 as of Jul. 31, 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 Westamerica Bancorp and its competitors. This is 15% below median its historical median of 2.26. Over the past decade, Westamerica Bancorp's Cyclically Adjusted PB Ratio has ranged from 1.33 to 3.33. According to the industry distribution chart, Westamerica Bancorp ranks #979 out of 1288 companies in the Banks industry, placing it in the top 76%.
Is Westamerica Bancorp's Cyclically Adjusted PB Ratio too high?
Westamerica Bancorp's current Cyclically Adjusted PB Ratio of 1.91 is 15% below median its 10-year median of 2.26. Over the past 10 years, this metric has ranged from a low of 1.33 to a high of 3.33. The Banks industry median Cyclically Adjusted PB Ratio is 1.26. Westamerica Bancorp's value of 1.91 is 51.6% above this industry median. Based on the distribution chart, Westamerica Bancorp ranks #979 out of 1288 companies in the Banks industry, which is in the bottom quartile relative to peers. Overall, Westamerica Bancorp has a GF Score™ of 65/100, reflecting its overall financial health beyond just this single metric.
How does Westamerica Bancorp's Cyclically Adjusted PB Ratio compare to CTBI and BHRB?
According to the Banks industry distribution chart, Westamerica Bancorp ranks #979 out of 1288 companies for Cyclically Adjusted PB Ratio. This places Westamerica Bancorp in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.26. Westamerica Bancorp's value of 1.91 is 51.6% above this benchmark. Historically, Westamerica Bancorp's own Cyclically Adjusted PB Ratio has ranged from 1.33 to 3.33 over the past decade. While the company's 10-year median is 2.26 vs. the industry median of 1.26, Westamerica Bancorp has consistently been above 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 1,288 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. Westamerica Bancorp's current Cyclically Adjusted PB Ratio of 1.91 is 51.6% above 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 Westamerica 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. Westamerica Bancorp's current Cyclically Adjusted PB Ratio is 1.91, which is 15% below median its own 10-year median of 2.26. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Westamerica Bancorp stock overvalued right now?
Westamerica Bancorp (FRA:WB1) has a current Cyclically Adjusted PB Ratio of 1.91. The stock's GF Value™ is €39.39, compared to a current price of €51.50 — trading 30.7% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.91, which is 15% below median its 10-year median of 2.26 and 51.6% above the Banks industry median of 1.26. Westamerica Bancorp's overall GF Score™ is 65/100 with 8 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 Westamerica Bancorp (FRA:WB1), the current Cyclically Adjusted PB Ratio is 1.91 as of Jul. 31, 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 Westamerica Bancorp (FRA:WB1) Overvalued in 2026?

Based on GuruFocus' analysis, Westamerica Bancorp stock appears to be overvalued. The current stock price of €51.50 is trading 30.7% above its estimated GF Value™ of €39.39.

Key valuation signals for FRA:WB1:

  • Cyclically Adjusted PB Ratio: 1.91 (15% below median its 10-year median of 2.26)
  • GF Value™: €39.39 vs. price of €51.50 (30.7% above fair value)
  • GF Score™: 65/100 with 8 warning signs
  • Industry Position: 51.6% above the Banks median (#979 of 1288)

No single metric tells the full story. See the FRA:WB1 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Westamerica Bancorp Business Description

Other Exchanges WABC:USA
Address 1108 Fifth Avenue, San Rafael, CA, USA, 94901
Westamerica Bancorp provides a full range of banking services to individual and commercial customers in Northern and Central California through its subsidiary bank. The Bank is a California-chartered commercial bank whose deposits are insured by the Federal Deposit Insurance Corporation (the FDIC) up to applicable limits. The principal communities served are located in Northern and Central California, from Mendocino, Lake and Nevada Counties in the north to Kern County in the south. The Company's strategic focus is on the banking needs of small businesses.
65GF Score

Get the complete analysis for FRA:WB1

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

€51.50
Price
€39.39
GF Value