Arthur J. Gallagher (STU:GAH) Cyclically Adjusted PB Ratio: (As of Aug. 06, 2026)

Author: Vera Yuan Vera Yuan
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Director of Data and Quant Analytics at GuruFocus
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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.

STU:GAH Arthur J. Gallagher & Co STU:GAH
91 GF Score
Price €216.50
GF Value €287.09
Valuation Modestly Undervalued
! 5 Warning Signs
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What is Arthur J. Gallagher Cyclically Adjusted PB Ratio?

Shiller PE for Stocks: The True Measure of Stock Valuation


Arthur J. Gallagher  (STU:GAH) 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.


Arthur J. Gallagher Cyclically Adjusted PB Ratio Related Terms


Arthur J. Gallagher Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Arthur J. Gallagher'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.

Arthur J. Gallagher Cyclically Adjusted PB Ratio Chart

Arthur J. Gallagher 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 6.67 6.35 6.68 7.44 5.70

Arthur J. Gallagher 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 7.61 7.05 5.70 4.53 0.00

STU:GAH vs AON, MRSH, WTW: Cyclically Adjusted PB Ratio Comparison

For the Insurance Brokers subindustry, Arthur J. Gallagher'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.


Arthur J. Gallagher Cyclically Adjusted PB Ratio vs Insurance Industry

For the Insurance industry and Financial Services sector, Arthur J. Gallagher's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Arthur J. Gallagher's Cyclically Adjusted PB Ratio falls into.


STU:GAH
91GF Score
Arthur J. Gallagher & Co STU:GAH
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Arthur J. Gallagher 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.

Arthur J. Gallagher's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

For example, Arthur J. Gallagher'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)
=80.308/333.9520*333.9520
=80.308

Current CPI (Jun. 2026) = 333.9520.

Arthur J. Gallagher Quarterly Data

Book Value per Share CPI Adj_Book
201609 18.459 241.428 25.533
201612 19.123 241.432 26.451
201703 19.076 243.801 26.130
201706 18.993 244.955 25.894
201709 19.073 246.819 25.806
201712 19.774 246.524 26.787
201803 20.106 249.554 26.906
201806 20.830 251.989 27.605
201809 21.207 252.439 28.055
201812 21.492 251.233 28.568
201903 23.315 254.202 30.630
201906 23.208 256.143 30.258
201909 23.577 256.759 30.665
201912 24.667 256.974 32.056
202003 24.004 258.115 31.057
202006 25.455 257.797 32.975
202009 25.479 260.280 32.691
202012 26.252 260.474 33.658
202103 28.864 264.877 36.391
202106 33.371 271.696 41.018
202109 34.529 274.310 42.036
202112 36.115 278.802 43.259
202203 38.856 287.504 45.133
202206 39.618 296.311 44.651
202209 41.072 296.808 46.212
202212 40.734 296.797 45.833
202303 42.800 301.836 47.354
202306 44.524 305.109 48.733
202309 45.409 307.789 49.269
202312 45.597 306.746 49.641
202403 47.579 312.332 50.872
202406 49.068 314.175 52.157
202409 50.025 315.301 52.984
202412 76.988 315.605 81.464
202503 80.632 319.799 84.200
202506 77.862 322.561 80.612
202509 76.990 324.800 79.159
202512 77.495 324.054 79.862
202603 80.039 330.213 80.945
202606 80.308 333.952 80.308

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.

Is Arthur J. Gallagher (STU:GAH) Overvalued in 2026?

Based on GuruFocus' analysis, Arthur J. Gallagher stock appears to be undervalued. The current stock price of €216.50 is trading 24.6% below its estimated GF Value™ of €287.09. GuruFocus considers Arthur J. Gallagher to be Modestly Undervalued.

Key valuation signals for STU:GAH:

  • Cyclically Adjusted PB Ratio:
  • GF Value™: €287.09 vs. price of €216.50 (24.6% below fair value)
  • GF Score™: 91/100 with 5 warning signs

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


Arthur J. Gallagher Business Description

Address 2850 Golf Road, Rolling Meadows, IL, USA, 60008-4050
Founded in 1927 as a one-person agency, Gallagher's primary business is insurance brokerage, with a focus on serving middle-market companies. The company's risk management segment provides third-party claims adjustment to companies that choose to self-insure. Gallagher has about 72,000 employees and generates about a third of its revenue internationally, primarily in Australia, Canada, New Zealand, and the UK.
91GF Score

Get the complete analysis for STU:GAH

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

€216.50
Price
€287.09
GF Value