IOSP (Innospec) GF Value Rank: 10 (As of Jul. 12, 2026) — 43% Above Median


IOSP Innospec Inc IOSP
76 GF Score
Price $81.62
GF Value $94.90
Valuation Modestly Undervalued
! 3 Warning Signs
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What is Innospec GF Value Rank?

Innospec IOSP +1.13% 76 GF Value Rank is 10 as of Jul. 12, 2026, which is 43% above its 10-year median of 7.00. GuruFocus rates IOSP with a GF Score™ of 76/100 and a GF Value™ of $94.90 (Modestly Undervalued). The stock has 3 warning signs investors should review.

Innospec has the GF Value Rank of 10.

GF Value Rank evaluates the exclusive GuruFocus valuation and performance of a stock, rated on a scale from 1 to 10. It is determined by the price-to-GF-Value (P/GF Value) ratio, a proprietary metric calculated based on historical multiples along with an adjustment factor based on a company's past returns and growth and future estimates of the business' performance.

GuruFocus found that for valuation, we cannot simply give stocks a better GF Value rank simply because they have a lower P/GF Value ratio. Backtesting shows that over the long term, the two worst-performing groups are the most expensive group (with the highest P/GF Value ratio) and the least expensive group (with the lowest P/GF Value ratio).

We can understand why the most expensive group underperforms. We were initially puzzled by the underperformance of the least expensive group, but we realized there is a reason why some stocks are super cheap. If they look too undervalued, it is often because the businesses behind them are poor quality. The market realized this and gave them low valuations. In a way, the market is efficient.

After multiple backtesting analyses, we granted the stocks in third-cheapest percentile the highest GF Value rank, as they have performed the best over a full market cycle. Stock performance is actually not as sensitive to valuation as it is to growth and profitability. On average, the companies in the 20%-50% valuation groups have similar performances. Therefore, we should avoid the most expensive and the least expensive stocks. We can be more tolerant of valuation.

A higher score indicates a stock with a relatively low valuation and substantial potential for outperformance. Conversely, a lower score often reflects stocks that are either highly overvalued or deeply undervalued, both of which tend to underperform.

Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.

IOSP vs MTX, ODC, NGVT: GF Value Rank Comparison

For the Specialty Chemicals subindustry, Innospec's GF Value Rank, along with its competitors' market caps and GF Value Rank 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 GF Value Rank vs Chemicals Industry

For the Chemicals industry and Basic Materials sector, Innospec's GF Value Rank distribution charts can be found below:

* The bar in red indicates where Innospec's GF Value Rank falls into.


IOSP
76GF Score
Innospec Inc IOSP
GF Value Rank is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about GF Value Rank →
What does a GF Value Rank of 10 mean?
Innospec (IOSP) has a GF Value Rank of 10 as of Jul. 12, 2026. GF Value Rank is given based on historical multiples along with past returns, growth and future estimates of the business' performance. View historical data on Innospec and its competitors. This is 43% above median its historical median of 7.00. Over the past decade, Innospec's GF Value Rank has ranged from 1.00 to 10.00.
Is Innospec's GF Value Rank too high?
Innospec's current GF Value Rank of 10 is 43% above median its 10-year median of 7.00. Over the past 10 years, this metric has ranged from a low of 1.00 to a high of 10.00. Overall, Innospec has a GF Score™ of 76/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Innospec's GF Value Rank compare to MTX and ODC?
Innospec's GF Value Rank of 10 can be compared against companies in the Chemicals industry. Historically, Innospec's own GF Value Rank has ranged from 1.00 to 10.00 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good GF Value Rank for a Chemicals company?
A good GF Value Rank depends on the Chemicals industry context. However, GF Value Rank should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high GF Value Rank mean?
A high GF Value Rank can signal that a stock is expensive relative to its fundamentals. GF Value Rank is given based on historical multiples along with past returns, growth and future estimates of the business' performance. View historical data on Innospec and its competitors. Innospec's current GF Value Rank is 10, which is 43% above median its own 10-year median of 7.00. 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 (IOSP) is currently considered Modestly Undervalued. The stock's GF Value™ is $94.90, compared to a current price of $81.62 — trading 14% below its estimated fair value. The current GF Value Rank is 10, which is 43% above median its 10-year median of 7.00. Innospec's overall GF Score™ is 76/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is GF Value Rank calculated?
GF Value Rank is calculated from a company's financial statements. For Innospec (IOSP), the current GF Value Rank is 10 as of Jul. 12, 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 (IOSP) Overvalued in 2026?

Based on GuruFocus' analysis, Innospec stock appears to be undervalued. The current stock price of $81.62 is trading 14% below its estimated GF Value™ of $94.90. GuruFocus considers Innospec to be Modestly Undervalued.

Key valuation signals for IOSP:

  • GF Value Rank: 10 (43% above median its 10-year median of 7.00)
  • GF Value™: $94.90 vs. price of $81.62 (14% below fair value)
  • GF Score™: 76/100 with 3 warning signs

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

Innospec Business Description

Other Exchanges 0JAX:UKOCT:Germany
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.
76GF Score

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

$81.62
Price
$94.90
GF Value