IOSP
INNOSPEC INC.
NASDAQ · Basic Materials · Chemicals - Specialty · US
$87.05
−12.27%Price chart
Oct 6Oct 9Oct 14Oct 19Oct 22Oct 27Oct 30Nov 4
Key dataNov 4, 2026
Open$91.65
From 52W high−14.16%
Volume47418.00
Market cap$2.14B
P/E (TTM)17.7x
P/S (TTM)1.2x
Div yield2.06%
Key dataNov 4, 2026
Open
$91.65
From 52W high
−14.16%
Volume
47418.00
Market cap
$2.14B
ValuationView details →
P/E (Fwd)
14.4x
EV/EBITDA
10.8x
P/E (TTM)
17.7x
RSI (14)
56.9
MomentumView details →
1D Return
−12.27%
YTD Return
+29.87%
SummaryUpdated Sep 1, 2026
Innospec Inc. (NASDAQ:IOSP) is a specialty chemicals company founded in 1938 and headquartered in Englewood, Colorado. Originally known as Octel Corp., the company changed its name to Innospec in 2006 and went public in 1998. The company has evolved from its historical roots in fuel additives to become a diversified specialty chemicals manufacturer serving global markets across fuel, personal care, industrial, and oilfield applications.
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