Innospec (FRA:OCT) Cyclically Adjusted PB Ratio: 1.84 (As of Jul. 27, 2026) — 41% Below Median

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FRA:OCT Innospec Inc FRA:OCT
78 GF Score
Price €74.50
GF Value €82.46
Valuation Modestly Undervalued
! 4 Warning Signs
View Full Analysis

What is Innospec Cyclically Adjusted PB Ratio?

Innospec FRA:OCT +1.36% 78 Cyclically Adjusted PB Ratio is 1.84 as of Jul. 27, 2026, which is 41% below its 10-year median of 3.10. GuruFocus rates FRA:OCT with a GF Score™ of 78/100 and a GF Value™ of €82.46 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 1,270 Chemicals companies, Innospec ranks worse than 53.62% on this metric.

As of today (2026-07-27), Innospec's current share price is €74.50. Innospec's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was €40.55. Innospec's Cyclically Adjusted PB Ratio for today is 1.84.

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

FRA:OCT' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.44   Med: 3.1   Max: 4.57
Current: 1.81

During the past years, Innospec's highest Cyclically Adjusted PB Ratio was 4.57. The lowest was 1.44. And the median was 3.10.

FRA:OCT's Cyclically Adjusted PB Ratio is ranked worse than
53.62% of 1270 companies
in the Chemicals industry
Industry Median: 1.645 vs FRA:OCT: 1.81

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.

Innospec's adjusted book value per share data for the three months ended in Mar. 2026 was €47.068. 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 €40.55 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Innospec  (FRA:OCT) 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.


Innospec Cyclically Adjusted PB Ratio Related Terms


Innospec Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Innospec'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.

Innospec Cyclically Adjusted PB Ratio Chart

Innospec 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 2.91 2.91 3.16 2.59 1.68

Innospec Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 2.17 1.89 1.70 1.68 1.55

FRA:OCT vs MTX, NGVT, CC: Cyclically Adjusted PB Ratio Comparison

For the Specialty Chemicals subindustry, Innospec'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.


Innospec Cyclically Adjusted PB Ratio vs Chemicals Industry

For the Chemicals industry and Basic Materials sector, Innospec's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


FRA:OCT
78GF Score
Innospec Inc FRA:OCT
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Innospec 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.

Innospec's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=74.50/40.55
=1.84

* 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.

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

For example, Innospec'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)
=47.068/330.2130*330.2130
=47.068

Current CPI (Mar. 2026) = 330.2130.

Innospec Quarterly Data

Book Value per Share CPI Adj_Book
201606 23.729 241.018 32.511
201609 24.220 241.428 33.127
201612 25.737 241.432 35.201
201703 26.201 243.801 35.488
201706 25.958 244.955 34.993
201709 25.982 246.819 34.761
201712 27.550 246.524 36.903
201803 27.398 249.554 36.253
201806 28.724 251.989 37.641
201809 29.471 252.439 38.551
201812 29.679 251.233 39.009
201903 30.671 254.202 39.842
201906 31.181 256.143 40.198
201909 32.686 256.759 42.037
201912 33.731 256.974 43.345
202003 34.776 258.115 44.490
202006 32.500 257.797 41.629
202009 31.967 260.280 40.556
202012 31.562 260.474 40.012
202103 32.722 264.877 40.793
202106 32.793 271.696 39.856
202109 34.231 274.310 41.207
202112 36.880 278.802 43.681
202203 39.086 287.504 44.892
202206 40.742 296.311 45.403
202209 44.415 296.808 49.414
202212 39.565 296.797 44.020
202303 40.494 301.836 44.301
202306 40.541 305.109 43.877
202309 42.406 307.789 45.495
202312 42.299 306.746 45.535
202403 43.674 312.332 46.174
202406 44.422 314.175 46.690
202409 44.916 315.301 47.040
202412 46.342 315.605 48.487
202503 46.669 319.799 48.189
202506 45.109 322.561 46.179
202509 44.598 324.800 45.341
202512 45.705 324.054 46.574
202603 47.068 330.213 47.068

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 1.84 mean?
Innospec (FRA:OCT) has a Cyclically Adjusted PB Ratio of 1.84 as of Jul. 27, 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 Innospec and its competitors. This is 41% below median its historical median of 3.10. Over the past decade, Innospec's Cyclically Adjusted PB Ratio has ranged from 1.44 to 4.57. According to the industry distribution chart, Innospec ranks #681 out of 1270 companies in the Chemicals industry, placing it in the top 53.6%.
Is Innospec's Cyclically Adjusted PB Ratio too high?
Innospec's current Cyclically Adjusted PB Ratio of 1.84 is 41% below median its 10-year median of 3.10. Over the past 10 years, this metric has ranged from a low of 1.44 to a high of 4.57. The Chemicals industry median Cyclically Adjusted PB Ratio is 1.65. Innospec's value of 1.84 is 11.9% above this industry median. Based on the distribution chart, Innospec ranks #681 out of 1270 companies in the Chemicals industry, which is below the industry midpoint. Overall, Innospec has a GF Score™ of 78/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Innospec's Cyclically Adjusted PB Ratio compare to MTX and NGVT?
According to the Chemicals industry distribution chart, Innospec ranks #681 out of 1270 companies for Cyclically Adjusted PB Ratio. This places Innospec in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.65. Innospec's value of 1.84 is 11.9% above this benchmark. Historically, Innospec's own Cyclically Adjusted PB Ratio has ranged from 1.44 to 4.57 over the past decade. While the company's 10-year median is 3.10 vs. the industry median of 1.65, Innospec 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 Chemicals company?
The median Cyclically Adjusted PB Ratio among Chemicals companies is 1.65, based on 1,270 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. Innospec's current Cyclically Adjusted PB Ratio of 1.84 is 11.9% 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 Innospec and its competitors. For the Chemicals industry, the median Cyclically Adjusted PB Ratio is 1.65 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Innospec's current Cyclically Adjusted PB Ratio is 1.84, which is 41% below median its own 10-year median of 3.10. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Innospec stock overvalued right now?
Based on GuruFocus' analysis, Innospec (FRA:OCT) is currently considered Modestly Undervalued. The stock's GF Value™ is €82.46, compared to a current price of €74.50 — trading 9.7% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.84, which is 41% below median its 10-year median of 3.10 and 11.9% above the Chemicals industry median of 1.65. Innospec's overall GF Score™ is 78/100 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 Innospec (FRA:OCT), the current Cyclically Adjusted PB Ratio is 1.84 as of Jul. 27, 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 Innospec (FRA:OCT) Overvalued in 2026?

Based on GuruFocus' analysis, Innospec stock appears to be undervalued. The current stock price of €74.50 is trading 9.7% below its estimated GF Value™ of €82.46. GuruFocus considers Innospec to be Modestly Undervalued.

Key valuation signals for FRA:OCT:

  • Cyclically Adjusted PB Ratio: 1.84 (41% below median its 10-year median of 3.10)
  • GF Value™: €82.46 vs. price of €74.50 (9.7% below fair value)
  • GF Score™: 78/100 with 4 warning signs
  • Industry Position: 11.9% above the Chemicals median (#681 of 1270)

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


Innospec Business Description

Other Exchanges IOSP:USA0JAX:UK
Address 8310 South Valley Highway, Suite 350, Englewood, CO, USA, 80112
Innospec Inc manufactures and sells a variety of chemicals and fuel additives. The firm organizes itself into three segments based on product type. The Performance Chemicals segment that derives maximum revenue, provides technology-based solutions for its customers' processes or products in personal care, home care, agrochemical, construction, mining and other industrial markets. The Fuel Specialties segment develops, manufactures, blends, markets and supplies a range of specialty chemical products used as additives in diesel, jet, marine, fuel oil and other fuels. The Oilfield Services segment develops and markets chemical solutions for drilling, completion, production, DRA and oil and gas applications.
78GF Score

Get the complete analysis for FRA:OCT

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

€74.50
Price
€82.46
GF Value