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StockVS

NASDAQ · Specialty Chemicals · USD

Innospec Inc. (IOSP) Stock Analysis

Innospec Inc. (IOSP) is a Specialty Chemicals stock listed on NASDAQ and quoted in US Dollar.

Last Updated: October 21, 2026

IOSP

$99.64

+$0.48 (+0.48%)

Oct 21, 2026 · Market close

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Price History

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IOSP Key Statistics

As of Oct 21, 2026
Trading
Open
$99.34
Previous Close
$99.16
Day's Range
98.76–99.77
52-Week Range
65.51–100.48
Volume
364.83K
BetaHow much the share price moves relative to the wider market. 1.0 moves in line with it; above 1.0 swings more, below 1.0 less.
0.89
Valuation
Market Cap
$2.45B
P/E Ratio
20.33
Forward P/EShare price divided by forecast earnings for the year ahead, rather than the year just past.
16.16
PEG RatioThe P/E ratio divided by the expected earnings growth rate. It puts a high P/E in the context of how fast profits are growing.
0.66
P/S ratioMarket value divided by annual revenue. Useful for companies that are not yet profitable, where a P/E cannot be calculated.
1.33
EPS (ttm)Profit attributable to each share over the last twelve months.
4.90
Financials (FY)
Revenue (FY)
$1.78B−3.65%
Net Income (FY)
$116.60M+227.53%
Profit marginThe share of revenue left as profit after all costs and taxes.
6.60%
Shares OutstandingThe total number of shares held by all investors. Market value is this figure multiplied by the share price.
24.63M
1-Year Return
+36.35%
Dividend and dates
Dividend
$1.79+1.81%
Ex-Dividend Date
May 19, 2026
Earnings Date
November 3, 2026
Avg Volume
197.82K

Only metrics the company reports are shown. Data provided by Yahoo Finance via yfinance. Updated daily.

Key facts

As of October 21, 2026, IOSP closed at $99.64, +36.35% over 1 year.

Innospec Inc. (IOSP) has a market capitalization of $2.45B.

In fiscal 2025, IOSP reported revenue of $1.78B.

IOSP Stock Return by Calendar Year

Innospec Inc. (IOSP) 10-year return: what $10,000 became

1 year
$10,000 $13,635
+36.35%
5 years
$10,000 $12,330
+23.30%
10 years
$10,000 $18,633
+86.33%

If you had invested $10,000 in Innospec Inc. (IOSP) 10 years ago, at the close on October 21, 2016, it would have been worth $18,633 at the close on October 21, 2026: +86.33% in total, +6.42% a year, with dividends reinvested. A historical calculation from closing prices adjusted for splits and dividends, before fees and taxes.

Calendar-year returns computed from daily closing prices. Partial years are shown muted and marked with an asterisk.

YearReturn
2026 (partial year)+31.71%
2025−28.94%
2024−9.57%
2023+21.46%
2022+15.25%
2021+0.77%
2020−11.00%
2019+69.43%
2018−11.48%
2017+4.30%
2016 (partial year)+16.94%

As of October 21, 2026.

IOSP Revenue and Earnings by Fiscal Year

FY ends December
Fiscal yearRevenueNet incomeNet margin
2025$1.78B$116.60M6.6%
2024$1.85B$35.60M1.9%
2023$1.95B$139.10M7.1%
2022$1.96B$133.00M6.8%
Fiscal yearRevenueGross profitOperating incomeNet incomeNet margin
2025$1.78B$492.40M$156.30M$116.60M6.6%
2024$1.85B$542.90M$181.10M$35.60M1.9%
2023$1.95B$591.10M$161.60M$139.10M7.1%
2022$1.96B$586.70M$187.30M$133.00M6.8%

Annual figures as reported, in the company's reporting currency. As of December 31, 2025.

IOSP Dividend History

$1.71+10.3% vs 2024

Dividends per share, 2025 · 2 payments

YearDividends per sharePaymentsChange
2026*$0.921—
2025$1.712+10.3%
2024$1.552+9.9%
2023$1.412+10.2%
YearDividends per sharePaymentsChange
2026 (partial year)$0.921—
2025$1.712+10.3%
2024$1.552+9.9%
2023$1.412+10.2%
2022$1.282+10.3%
2021$1.162+11.5%
2020$1.042+2.0%
2019$1.022+14.6%
2018$0.892+15.6%
2017$0.772+126.5%
2016$0.341—

Most recent payment: $0.92 per share, ex-dividend May 19, 2026. Per-share amounts summed by calendar year from ex-dividend dates. Partial years are shown muted and marked with an asterisk.

IOSP Valuation vs Specialty Chemicals Median

Median of 70 stocks
MetricIOSPSpecialty Chemicals medianvs median
P/E20.3328.2928% below
P/S ratio1.331.5916% below
Profit margin6.60%2.70%3.9 pts above

Medians across 70 Specialty Chemicals stocks that report the metric. Medians, not averages, so one outlier cannot move them. As of October 21, 2026.

Recent News

All 13 articles ↓

News provided by third-party sources. Not financial advice.

Analysis

Data-derived

Company Overview

Innospec Inc. (IOSP) carries a market capitalisation of $2.45B. It is classified in the Specialty Chemicals industry, within the Basic Materials sector. The company reports 2,450 employees.

The most recent close on file for IOSP is $99.64, dated October 21, 2026. That is +$0.48 (+0.48%) against the previous close. Over the past 52 weeks the price has ranged from $65.51 to $100.48. The latest close sits 52.1% above that 52-week low.

Financial Health

In fiscal 2025, Innospec Inc. reported revenue of $1.78B. That is −3.65% against the prior fiscal year, when revenue was $1.85B. Net income for the same year was $116.60M. That is +227.53% against the prior fiscal year. Profit margin runs at 6.6%. That is 3.9 percentage points above the Specialty Chemicals median of 2.7%. Earnings per share on a trailing basis come to 4.9.

Across the 4 fiscal years on file, revenue moves from $1.96B in 2022 to $1.78B in 2025. Of those 4 years, 4 report positive net income.

Valuation Assessment

The trailing P/E ratio stands at 20.33. That is 28.14% below the Specialty Chemicals median of 28.29. On forward earnings the ratio is 16.16. The PEG ratio, which sets the P/E against expected earnings growth, reads 0.66. The price-to-sales ratio is 1.33. On price-to-sales that is 16.41% below the Specialty Chemicals median of 1.59. The medians here are taken across 70 Specialty Chemicals companies that report the metric.

Beta against the wider market is reported at 0.89. Annualized volatility over the trailing 10 years is 31.17%. Over the trailing twelve months the total return is +36.35%. Measured over 10 years, that is +6.42% a year compounded.

Growth & Income

Shareholders receive a dividend, yielding 1.81% on the latest price. The indicated annual rate is $1.79 a share. The ex-dividend date on file is May 19, 2026. Dividends are recorded for 11 calendar years; 2026 shows 1 payments totalling $0.92 a share. The year before, 2025, totalled $1.71 a share.

2026 is still running; the total return is +31.71% year to date. The strongest complete calendar year on file is 2019 at +69.43%; the weakest is 2025 at −28.94%. Of the 9 complete calendar years on file, 5 finished higher.

Peer Comparison

Innospec Inc. (IOSP) operates in the Specialty Chemicals industry. Here is how it compares to its closest peers by market capitalization:

Company Ticker Market Cap P/E Ratio
Innospec Inc. IOSP $2.45B 20.3
Linde plc LIN $230.75B 32.3
The Sherwin-Williams Company SHW $81.88B 31.1
Ecolab Inc. ECL $80.76B 38.7

The Specialty Chemicals industry average P/E ratio is 28.3x. Innospec Inc. trades at a P/E of 20.3.

Every figure above is read from this page's own data on each daily rebuild. Informational only, not financial advice. As of October 21, 2026.

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About Innospec Inc.

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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