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IOSP

Innospec Inc.

Basic Materials · $2.4B market cap

Verdict

Share price

$97.41

close of Oct 3, 2026

Fair value

$62.45

Sticker Price

Payback Price

$24.98

buy price

Overpriced

IOSP is Overpriced: at $97.41 it trades 56% above its fair value of $62.45. Its buy price (Payback Price) is $24.98, 74% below today's price. Business quality is limited: only 1 of 5 key numbers clears the 10% bar.

How we valued it

Owner Earnings. Earnings grow slowly (under 7% a year), but cash flow is steady, so we value it on its cash flow instead of its earnings.

Business quality

1 of 5 clear the 10% bar. What are the Big Five?

Earnings per share growth6.6% a year✗
Equity per share growth10.5% a year✓
Sales growth7.4% a year✗
Free cash flow growth7.2% a year✗
Return on invested capital9.9%✗

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About Innospec Inc.

Innospec Inc., founded in 1938 as Octel Corp. and rebranded in January 2006, is a global company headquartered in Englewood, Colorado. It focuses on the creation, production, formulation, promotion, and distribution of unique chemical products. The company's operations span across the United States, the wider North American continent, the United Kingdom, continental Europe, and various international markets…

Chemicals - Specialty

Fair value and Payback Price are estimates from the company's reported financials, not investment advice. Prices as of the close of Oct 3, 2026. How the Payback Price works