Avoid the stress of overpaying for a stock or missing an opportunity by using the right tools and insights to evaluate Innospec Inc. before investing.

In this article, we go over a few key elements for understanding Innospec Inc.’s stock price such as:

• Innospec Inc.’s current stock price and volume
• Why Innospec Inc.’s stock price changed recently
• Upgrades and downgrades for IOSP from analysts
• IOSP’s stock price momentum as measured by its relative strength

About Innospec Inc. (IOSP)

Before we jump into Innospec Inc.’s stock price, history, target price and what caused it to recently dip, let’s take a look at some background.

Innospec Inc. develops, manufactures, blends, markets, and supplies specialty chemicals in the Americas, Europe, the Middle East, Africa, and the Asia-Pacific. The company operates through three segments: Performance Chemicals, Fuel Specialties, and Oilfield Services. It offers specialty chemical products used as additives in diesel, jet, marine, fuel oil, and other fuels used in the operation of commercial trucking, marine and aviation engines, power station generators, heating oil, and other industrial machinery applications. It also provides technology-based solutions for customers’ processes or products in personal care, home care, agrochemical, construction, mining, and other industrial markets. In addition, the company develops and markets chemical solutions for drilling, completion, production, drag reducing agents, and oil and gas applications. It serves large multinational companies, manufacturers of personal and home care products and global mining, agriculture and building products, and other industrial companies; national and multinational oil companies, fuel marketers and retailers, fuel terminals, marine lines, coating and plastics producers, and other heavy industrial end-users; and multinational public, independent exploration and production, and oilfield services companies. The company was formerly known as Octel Corp. and changed its name to Innospec Inc. in January 2006. Innospec Inc. was founded in 1938 and is headquartered in Englewood, Colorado.

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Innospec Inc.’s Stock Price as of Market Close

As of July 31, 2026, 4:00 PM, CST, Innospec Inc.’s stock price was $85.980.

Innospec Inc. is down 0.1% from its previous closing price of $86.070.

During the last market session, Innospec Inc.’s stock traded between $83.780 and $86.260. Currently, there are approximately 24.78 million shares outstanding for Innospec Inc..

Innospec Inc.’s price-earnings (P/E) ratio is currently at 18.8, which is low compared to the Chemicals industry median of 24.8. The price-earnings ratio gauges market expectation of future performance by relating a stock’s current share price to its earnings per share.

Innospec Inc. Stock Price History

Innospec Inc.’s (IOSP) price is currently up 5.64% so far this month.

During the month of July, Innospec Inc.’s stock price has reached a high of $87.690 and a low of $79.435.

Over the last year, Innospec Inc. has hit prices as high as $92.140 and as low as $65.510. Year to date, Innospec Inc.’s stock is up 12.33%.

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What Caused Innospec Inc. Stock’s Price to Dip?

Stock prices are primarily based on seller supply and buyer demand. But have you ever wondered about what other factors affect a stock's price?

When an analyst changes their opinion of a stock by upgrading or downgrading their rating, it often leads to a sudden stock price adjustment. As of July 31, 2026, there was 1 analyst who downgraded Innospec Inc.’s stock and 0 analysts who upgraded over the last month.

Additionally, you'll want to evaluate Innospec Inc.’s financial health and valuation. Investors can use AAII's Value Grade, which combines six key valuation metrics like P/E and P/S ratios for a comprehensive analysis to conduct analysis on Innospec Inc.’s valuation and financial health. This approach mitigates the limitations of single-metric evaluations.

Innospec Inc.’s current valuation based on AAII’s Value Grade is a C, which means it is considered to be Average.

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Lastly, news and media coverage as well as recent press reports about the company or its industry may cause stock prices to fluctuate. You can check out the most recent news articles about Innospec Inc. (IOSP) by visiting AAII Stock Evaluator.

Relative Price Strength of Innospec Inc.

Relative price strength measures a stock's performance against the market, helping investors identify stocks that are outperforming benchmarks.

For AAII’s Momentum Grade, a weighted relative price strength is calculated. Follow this link to learn more about the Momentum Grade.

As of July 31, 2026, Innospec Inc. has a weighted four-quarter relative price strength of 0.26%, which translates to a Momentum Score of 54 and is considered to be Average.

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Innospec Inc. Stock Price: Bottom Line

As of July 31, 2026, Innospec Inc.’s stock price is $85.980, which is down 0.1% from its previous closing price.

AAII advises against making stock decisions based solely on price or past returns. Instead, consider a variety of metrics, fundamentals, and analytics to evaluate a stock like Innospec Inc. stock prices are influenced by market supply and demand and offer just a snapshot of a company's overall health.

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