SPXSF (Spirax Group) Cyclically Adjusted PB Ratio: 4.43 (As of Jul. 15, 2026) — 56% Below Median

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SPXSF Spirax Group PLC SPXSF
88 GF Score
Price $89.08
GF Value $111.54
Valuation Modestly Undervalued
! 4 Warning Signs
View Full Analysis

What is Spirax Group Cyclically Adjusted PB Ratio?

Spirax Group SPXSF 88 Cyclically Adjusted PB Ratio is 4.43 as of Jul. 15, 2026, which is 56% below its 10-year median of 10.06. GuruFocus rates SPXSF with a GF Score™ of 88/100 and a GF Value™ of $111.54 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 2,292 Industrial Products companies, Spirax Group ranks worse than 72.6% on this metric.

As of today (2026-07-15), Spirax Group's current share price is $89.0835. Spirax Group's Cyclically Adjusted Book per Share for the fiscal year that ended in Dec25 was $20.11. Spirax Group's Cyclically Adjusted PB Ratio for today is 4.43.

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

SPXSF' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 4.25   Med: 10.06   Max: 21.04
Current: 4.42

During the past 13 years, Spirax Group's highest Cyclically Adjusted PB Ratio was 21.04. The lowest was 4.25. And the median was 10.06.

SPXSF's Cyclically Adjusted PB Ratio is ranked worse than
72.6% of 2292 companies
in the Industrial Products industry
Industry Median: 2.21 vs SPXSF: 4.42

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.

Spirax Group's adjusted book value per share data of for the fiscal year that ended in Dec25 was $22.184. 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 $20.11 for the trailing ten years ended in Dec25.

Shiller PE for Stocks: The True Measure of Stock Valuation


Spirax Group  (OTCPK:SPXSF) 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.


Spirax Group Cyclically Adjusted PB Ratio Related Terms


Spirax Group Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Spirax 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.

Spirax Group Cyclically Adjusted PB Ratio Chart

Spirax 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 17.46 9.73 8.61 5.10 4.60

Spirax Group Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
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 8.61 0.00 5.10 0.00 4.60

SPXSF vs GEV, ETN, PH: Cyclically Adjusted PB Ratio Comparison

For the Specialty Industrial Machinery subindustry, Spirax 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.


Spirax Group Cyclically Adjusted PB Ratio vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Spirax Group's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


SPXSF
88GF Score
Spirax Group PLC SPXSF
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Spirax 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.

Spirax Group's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=89.0835/20.11
=4.43

* 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.

Spirax Group's Cyclically Adjusted Book per Share for the fiscal year that ended in Dec25 is calculated as:

For example, Spirax Group's adjusted Book Value per Share data for the fiscal year that ended in Dec25 was:

Adj_Book=Book Value per Share/CPI of Dec25 (Change)*Current CPI (Dec25)
=22.184/139.9000*139.9000
=22.184

Current CPI (Dec25) = 139.9000.

Spirax Group Annual Data

Book Value per Share CPI Adj_Book
201612 8.898 102.200 12.180
201712 11.081 105.000 14.764
201812 13.159 107.100 17.189
201912 14.669 108.500 18.914
202012 15.511 109.400 19.835
202112 18.189 114.700 22.185
202212 19.303 125.300 21.552
202312 19.887 130.500 21.319
202412 20.734 135.100 21.471
202512 22.184 139.900 22.184

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 4.43 mean?
Spirax Group (SPXSF) has a Cyclically Adjusted PB Ratio of 4.43 as of Jul. 15, 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 Spirax Group and its competitors. This is 56% below median its historical median of 10.06. Over the past decade, Spirax Group's Cyclically Adjusted PB Ratio has ranged from 4.25 to 21.04. According to the industry distribution chart, Spirax Group ranks #1664 out of 2292 companies in the Industrial Products industry, placing it in the top 72.6%.
Is Spirax Group's Cyclically Adjusted PB Ratio too high?
Spirax Group's current Cyclically Adjusted PB Ratio of 4.43 is 56% below median its 10-year median of 10.06. Over the past 10 years, this metric has ranged from a low of 4.25 to a high of 21.04. The Industrial Products industry median Cyclically Adjusted PB Ratio is 2.21. Spirax Group's value of 4.43 is 100.5% above this industry median. Based on the distribution chart, Spirax Group ranks #1664 out of 2292 companies in the Industrial Products industry, which is below the industry midpoint. Overall, Spirax Group has a GF Score™ of 88/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Spirax Group's Cyclically Adjusted PB Ratio compare to GEV and ETN?
According to the Industrial Products industry distribution chart, Spirax Group ranks #1664 out of 2292 companies for Cyclically Adjusted PB Ratio. This places Spirax Group in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.21. Spirax Group's value of 4.43 is 100.5% above this benchmark. Historically, Spirax Group's own Cyclically Adjusted PB Ratio has ranged from 4.25 to 21.04 over the past decade. While the company's 10-year median is 10.06 vs. the industry median of 2.21, Spirax Group 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 an Industrial Products company?
The median Cyclically Adjusted PB Ratio among Industrial Products companies is 2.21, based on 2,292 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. Spirax Group's current Cyclically Adjusted PB Ratio of 4.43 is 100.5% 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 Spirax Group and its competitors. For the Industrial Products industry, the median Cyclically Adjusted PB Ratio is 2.21 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Spirax Group's current Cyclically Adjusted PB Ratio is 4.43, which is 56% below median its own 10-year median of 10.06. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Spirax Group stock overvalued right now?
Based on GuruFocus' analysis, Spirax Group (SPXSF) is currently considered Modestly Undervalued. The stock's GF Value™ is $111.54, compared to a current price of $89.08 — trading 20.1% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 4.43, which is 56% below median its 10-year median of 10.06 and 100.5% above the Industrial Products industry median of 2.21. Spirax Group's overall GF Score™ is 88/100 with 4 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 Spirax Group (SPXSF), the current Cyclically Adjusted PB Ratio is 4.43 as of Jul. 15, 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 Spirax Group (SPXSF) Overvalued in 2026?

Based on GuruFocus' analysis, Spirax Group stock appears to be undervalued. The current stock price of $89.08 is trading 20.1% below its estimated GF Value™ of $111.54. GuruFocus considers Spirax Group to be Modestly Undervalued.

Key valuation signals for SPXSF:

  • Cyclically Adjusted PB Ratio: 4.43 (56% below median its 10-year median of 10.06)
  • GF Value™: $111.54 vs. price of $89.08 (20.1% below fair value)
  • GF Score™: 88/100 with 4 warning signs
  • Industry Position: 100.5% above the Industrial Products median (#1664 of 2292)

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


Spirax Group Business Description

Address Cirencester Road, Charlton House, Charlton Kings, Cheltenham, Gloucestershire, GBR, GL53 8ER
Spirax is a global manufacturer of a wide range of applications for industrial and commercial steam systems, electric thermal solutions, and peristaltic pumps used across multiple industries. The group operates across three segments and has over 110,000 direct customers across 130 countries. Approximately 85% of group sales are generated from recurring maintenance and small improvements to existing customer systems. Spirax has 1,700 product lines and 2,100 sales and service engineers, who account for 25% of employees.
88GF Score

Get the complete analysis for SPXSF

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

$89.08
Price
$111.54
GF Value