SW (Smurfit WestRock) Cyclically Adjusted PB Ratio: 1.90 (As of Sep. 18, 2026) — 37% Below Median

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SW Smurfit WestRock PLC SW
81 GF Score
Price $44.42
GF Value $47.23
Valuation Fairly Valued
! 7 Warning Signs
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What is Smurfit WestRock Cyclically Adjusted PB Ratio?

Smurfit WestRock SW -2.34% 81 Cyclically Adjusted PB Ratio is 1.90 as of Sep. 18, 2026, which is 37% below its 10-year median of 3.00. GuruFocus rates SW with a GF Score™ of 81/100 and a GF Value™ of $47.23 (Fairly Valued). The stock has 7 warning signs investors should review. Among 268 Packaging & Containers companies, Smurfit WestRock ranks worse than 70.9% on this metric.

As of today (2026-09-18), Smurfit WestRock's current share price is $44.415. Smurfit WestRock's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was $23.42. Smurfit WestRock's Cyclically Adjusted PB Ratio for today is 1.90.

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

SW' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.78   Med: 3   Max: 5.25
Current: 2.05

During the past years, Smurfit WestRock's highest Cyclically Adjusted PB Ratio was 5.25. The lowest was 1.78. And the median was 3.00.

SW's Cyclically Adjusted PB Ratio is ranked worse than
70.9% of 268 companies
in the Packaging & Containers industry
Industry Median: 1.075 vs SW: 2.05

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.

Smurfit WestRock's adjusted book value per share data for the three months ended in Jun. 2026 was $34.431. 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 $23.42 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Smurfit WestRock  (NYSE:SW) 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.


Smurfit WestRock Cyclically Adjusted PB Ratio Related Terms


Smurfit WestRock Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Smurfit WestRock'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.

Smurfit WestRock Cyclically Adjusted PB Ratio Chart

Smurfit WestRock 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 3.56 2.22 2.25 2.67 1.69

Smurfit WestRock Quarterly Data
Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 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 2.10 2.07 1.69 1.71 1.98

SW vs AMCR, PKG, IP: Cyclically Adjusted PB Ratio Comparison

For the Packaging & Containers subindustry, Smurfit WestRock'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.


Smurfit WestRock Cyclically Adjusted PB Ratio vs Packaging & Containers Industry

For the Packaging & Containers industry and Consumer Cyclical sector, Smurfit WestRock's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


SW
81GF Score
Smurfit WestRock PLC SW
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Smurfit WestRock 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.

Smurfit WestRock's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=44.415/23.42
=1.90

* 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.

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

For example, Smurfit WestRock'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)
=34.431/128.6700*128.6700
=34.431

Current CPI (Jun. 2026) = 128.6700.

Smurfit WestRock Quarterly Data

Book Value per Share CPI Adj_Book
201309 14.391 100.274 18.466
201312 14.640 99.875 18.861
201403 13.918 100.573 17.806
201406 14.211 100.773 18.145
201409 13.733 100.474 17.587
201412 12.639 99.576 16.332
201503 9.742 99.975 12.538
201506 10.495 100.573 13.427
201509 10.369 100.274 13.305
201512 10.874 99.676 14.037
201603 11.246 99.676 14.517
201606 10.688 101.072 13.606
201609 11.310 100.274 14.513
201612 11.242 99.676 14.512
201703 12.137 100.374 15.559
201706 12.058 100.673 15.411
201709 12.935 100.474 16.565
201712 13.552 100.075 17.424
201806 13.024 101.072 16.580
201812 13.990 100.773 17.863
201906 13.995 102.168 17.625
201912 14.218 102.068 17.924
202006 14.559 101.769 18.407
202012 18.064 101.072 22.997
202106 18.530 103.364 23.067
202112 19.430 106.653 23.441
202206 20.481 112.779 23.367
202212 20.889 115.436 23.284
202306 22.761 119.662 24.474
202312 23.824 120.749 25.387
202403 24.122 120.990 25.653
202406 22.933 122.318 24.124
202409 34.596 121.594 36.609
202412 33.539 122.439 35.246
202503 34.271 123.405 35.733
202506 35.100 124.492 36.278
202509 35.350 124.810 36.443
202512 35.238 125.770 36.051
202603 34.479 127.830 34.706
202606 34.431 128.670 34.431

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 1.90 mean?
Smurfit WestRock (SW) has a Cyclically Adjusted PB Ratio of 1.90 as of Sep. 18, 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 Smurfit WestRock and its competitors. This is 37% below median its historical median of 3.00. Over the past decade, Smurfit WestRock's Cyclically Adjusted PB Ratio has ranged from 1.78 to 5.25. According to the industry distribution chart, Smurfit WestRock ranks #190 out of 268 companies in the Packaging & Containers industry, placing it in the top 70.9%.
Is Smurfit WestRock's Cyclically Adjusted PB Ratio too high?
Smurfit WestRock's current Cyclically Adjusted PB Ratio of 1.90 is 37% below median its 10-year median of 3.00. Over the past 10 years, this metric has ranged from a low of 1.78 to a high of 5.25. The Packaging & Containers industry median Cyclically Adjusted PB Ratio is 1.08. Smurfit WestRock's value of 1.90 is 76.7% above this industry median. Based on the distribution chart, Smurfit WestRock ranks #190 out of 268 companies in the Packaging & Containers industry, which is below the industry midpoint. Overall, Smurfit WestRock has a GF Score™ of 81/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Smurfit WestRock's Cyclically Adjusted PB Ratio compare to AMCR and PKG?
According to the Packaging & Containers industry distribution chart, Smurfit WestRock ranks #190 out of 268 companies for Cyclically Adjusted PB Ratio. This places Smurfit WestRock in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.08. Smurfit WestRock's value of 1.90 is 76.7% above this benchmark. Historically, Smurfit WestRock's own Cyclically Adjusted PB Ratio has ranged from 1.78 to 5.25 over the past decade. While the company's 10-year median is 3.00 vs. the industry median of 1.08, Smurfit WestRock 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 Packaging & Containers company?
The median Cyclically Adjusted PB Ratio among Packaging & Containers companies is 1.08, based on 268 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. Smurfit WestRock's current Cyclically Adjusted PB Ratio of 1.90 is 76.7% 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 Smurfit WestRock and its competitors. For the Packaging & Containers industry, the median Cyclically Adjusted PB Ratio is 1.08 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Smurfit WestRock's current Cyclically Adjusted PB Ratio is 1.90, which is 37% below median its own 10-year median of 3.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Smurfit WestRock stock overvalued right now?
Based on GuruFocus' analysis, Smurfit WestRock (SW) is currently considered Fairly Valued. The stock's GF Value™ is $47.23, compared to a current price of $44.42 — trading 6% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.90, which is 37% below median its 10-year median of 3.00 and 76.7% above the Packaging & Containers industry median of 1.08. Smurfit WestRock's overall GF Score™ is 81/100 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 Smurfit WestRock (SW), the current Cyclically Adjusted PB Ratio is 1.90 as of Sep. 18, 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 Smurfit WestRock (SW) Overvalued in 2026?

Based on GuruFocus' analysis, Smurfit WestRock stock appears to be undervalued. The current stock price of $44.42 is trading 6% below its estimated GF Value™ of $47.23. GuruFocus considers Smurfit WestRock to be Fairly Valued.

Key valuation signals for SW:

  • Cyclically Adjusted PB Ratio: 1.90 (37% below median its 10-year median of 3.00)
  • GF Value™: $47.23 vs. price of $44.42 (6% below fair value)
  • GF Score™: 81/100 with 7 warning signs
  • Industry Position: 76.7% above the Packaging & Containers median (#190 of 268)

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


Smurfit WestRock Business Description

Address Beech Hill, Clonskeagh, Dublin 4, Dublin, IRL, D04 N2R2
Smurfit WestRock PLC manufactures corrugated packaging and consumer packaging, such as folding cartons and paperboard. operates a vertically integrated system supplying wood and recovered fiber to produce various grades of board, which are then converted into packaging products. Its main packaging categories include corrugated containers and consumer packaging, with additional products such as solidboard, kraft paper, graphic board, paper sacks, and bag-in-box packaging. The company's geographical segments include North America (including the U.S., Canada and Mexico), Europe, the Middle East and Africa and Asia-Pacific, and Latin America. The majority of the company's revenue is derived from product sales in the North American region.
81GF Score

Get the complete analysis for SW

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

$44.42
Price
$47.23
GF Value