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Innospec (IOSP) Stock Chart & Stock Price History

Innospec logo
$92.93 +1.11 (+1.21%)
Closing price 09/16/2026 04:00 PM Eastern
Extended Trading
$92.93 0.00 (0.00%)
As of 07:33 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Innospec Stock Price Performance

The Innospec (IOSP) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 15.27%, with a year-to-date return of 21.41%. In the past month, the stock has decreased 0.96%, reflecting recent market activity.

As of the latest close, Innospec traded at $92.93 with a market cap of $2.29 billion and volume of 186,169 shares. Five years ago, the stock traded at $84.70, representing a 9.72% increase over that period. At the time, it had a market cap of $2.09 billion and a volume of 312,972 shares.

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5 Day
Performance
-0.32%
1 Month
Performance
-0.96%
3 Month
Performance
+11.82%
Year-To-Date
Performance
+21.41%
1 Year
Performance
+15.27%
5 Year
Performance
+9.72%

IOSP Stock Chart for Thursday, September, 17, 2026

IOSP Chart by TradingView

Innospec Stock Price History

Export
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
09/16/2026$91.82$92.93
+1.21%		$94.08$91.11186,169 shs$2.29 billion
09/15/2026$91.96$91.82
-0.15%		$92.23$91.00299,071 shs$2.26 billion
09/14/2026$93.23$91.96
-1.36%		$93.33$91.80152,909 shs$2.26 billion
09/11/2026$93.08$93.23
+0.16%		$93.83$92.60124,969 shs$2.30 billion
09/10/2026$93.57$93.08
-0.52%		$94.35$92.00102,067 shs$2.29 billion
09/09/2026$93.37$93.57
+0.21%		$94.05$92.40127,187 shs$2.30 billion
09/08/2026$93.95$93.37
-0.62%		$96.14$92.49135,862 shs$2.30 billion
09/07/2026$93.95$93.95$94.28$92.40103,830 shs$2.31 billion
09/04/2026$93.12$93.95
+0.89%		$94.28$92.40103,830 shs$2.31 billion
09/03/2026$93.76$93.12
-0.68%		$94.55$92.44190,509 shs$2.29 billion
09/02/2026$92.61$93.76
+1.24%		$95.38$92.51156,433 shs$2.31 billion
09/01/2026$93.86$92.61
-1.33%		$93.87$92.30122,269 shs$2.28 billion
08/31/2026$95.38$93.86
-1.59%		$95.95$93.62160,603 shs$2.31 billion
08/28/2026$95.34$95.38
+0.04%		$96.68$94.92163,827 shs$2.35 billion
08/27/2026$95.66$95.34
-0.33%		$96.41$93.91193,856 shs$2.35 billion
08/26/2026$94.36$95.66
+1.38%		$96.14$94.16224,636 shs$2.36 billion
08/25/2026$94.73$94.36
-0.39%		$94.78$93.14180,468 shs$2.32 billion
08/24/2026$93.63$94.73
+1.17%		$94.98$92.81189,625 shs$2.33 billion
08/21/2026$92.92$93.63
+0.76%		$93.88$92.76120,050 shs$2.31 billion
08/20/2026$93.76$92.92
-0.90%		$94.58$91.80101,335 shs$2.29 billion
08/19/2026$93.56$93.76
+0.21%		$95.01$93.06108,207 shs$2.31 billion
08/18/2026$93.83$93.56
-0.29%		$94.65$93.05208,980 shs$2.30 billion
08/17/2026$93.85$93.83
-0.02%		$94.18$93.07181,953 shs$2.31 billion
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This page (NASDAQ:IOSP) was last updated on 9/16/2026 by MarketBeat.com Staff.
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