OMC (Omnicom Group) Cyclically Adjusted PB Ratio: (As of Sep. 21, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
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Charlie Tian
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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.

OMC Omnicom Group Inc OMC
84 GF Score
Price $76.57
GF Value $94.49
Valuation Modestly Undervalued
! 8 Warning Signs
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What is Omnicom Group Cyclically Adjusted PB Ratio?

Shiller PE for Stocks: The True Measure of Stock Valuation


Omnicom Group  (NYSE:OMC) 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.


Omnicom Group Cyclically Adjusted PB Ratio Related Terms


Omnicom Group Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Omnicom Group'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.

Omnicom Group Cyclically Adjusted PB Ratio Chart

Omnicom Group 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 4.20 4.39 4.47 4.17 3.42

Omnicom Group 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 3.51 3.89 3.76 3.38 3.17

OMC vs TTD, MGNI, LFTO: Cyclically Adjusted PB Ratio Comparison

For the Advertising Agencies subindustry, Omnicom Group'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.


Omnicom Group Cyclically Adjusted PB Ratio vs Media - Diversified Industry

For the Media - Diversified industry and Communication Services sector, Omnicom Group's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


OMC
84GF Score
Omnicom Group Inc OMC
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Omnicom Group 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.

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

For example, Omnicom Group'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)
=34.957/333.9520*333.9520
=34.957

Current CPI (Jun. 2026) = 333.9520.

Omnicom Group Quarterly Data

Book Value per Share CPI Adj_Book
201609 12.912 241.428 17.860
201612 12.191 241.432 16.863
201703 12.278 243.801 16.818
201706 12.780 244.955 17.423
201709 14.018 246.819 18.967
201712 14.492 246.524 19.631
201803 14.924 249.554 19.971
201806 13.537 251.989 17.940
201809 14.165 252.439 18.739
201812 14.967 251.233 19.895
201903 14.680 254.202 19.286
201906 14.790 256.143 19.283
201909 14.744 256.759 19.177
201912 16.495 256.974 21.436
202003 14.601 258.115 18.891
202006 14.154 257.797 18.335
202009 15.500 260.280 19.887
202012 17.612 260.474 22.580
202103 18.140 264.877 22.871
202106 19.191 271.696 23.588
202109 18.968 274.310 23.092
202112 19.699 278.802 23.596
202203 19.219 287.504 22.324
202206 18.375 296.311 20.709
202209 17.865 296.808 20.101
202212 20.519 296.797 23.088
202303 20.013 301.836 22.142
202306 20.190 305.109 22.099
202309 20.987 307.789 22.771
202312 23.433 306.746 25.511
202403 23.298 312.332 24.911
202406 23.801 314.175 25.299
202409 25.635 315.301 27.151
202412 26.349 315.605 27.881
202503 27.515 319.799 28.733
202506 28.167 322.561 29.162
202509 28.703 324.800 29.512
202512 41.700 324.054 42.974
202603 33.265 330.213 33.642
202606 34.957 333.952 34.957

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 Omnicom Group (OMC) Overvalued in 2026?

Based on GuruFocus' analysis, Omnicom Group stock appears to be undervalued. The current stock price of $76.57 is trading 19% below its estimated GF Value™ of $94.49. GuruFocus considers Omnicom Group to be Modestly Undervalued.

Key valuation signals for OMC:

  • Cyclically Adjusted PB Ratio:
  • GF Value™: $94.49 vs. price of $76.57 (19% below fair value)
  • GF Score™: 84/100 with 8 warning signs

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


Omnicom Group Business Description

Address 280 Park Avenue, New York, NY, USA, 10017
Omnicom is a holding company that owns several advertising agencies and related firms. It provides traditional and digital advertising services that include creative design, market research, data analytics, ad placement, and public relations. The firm operates globally, providing services in more than 70 countries; it generates more than one half of its revenue in North America and nearly 30% in Europe.
84GF Score

Get the complete analysis for OMC

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

$76.57
Price
$94.49
GF Value