Innospec Inc. (IOSP:NASDAQ) closed at $98.64 on October 23, 2026, down 0.03% on the day. The stock trades 1.8% below its 52-week high of $100.48 and 50.6% above its 52-week low of $65.51. Over the past year, it gained 29.3%. Innospec Inc. is part of the Basic Industries sector (Major Chemicals).
In 252 trading sessions since October 23, 2025, IOSP closed higher on 128 days (51%). Its best day was August 5, 2026 (+6.07%) and its worst was February 19, 2026 (-4.28%). It never moved 10% or more in a single session.
Innospec Inc. develops, manufactures, blends, markets, and supplies fuel additives, oilfield chemicals, personal care products, and other specialty chemicals to oil and gas exploration and production, oil refinery, fuel users, personal care formulation, home care, agrochemical and mining formulation, and other chemical and industrial companies worldwide. It operates through four segments: Fuel Specialties, Performance Chemicals, Oilfield Services, and Octane Additives. The Fuel Specialties segment offers a range of specialty chemical products used as additives in various fuels. This segment's products are used in the operation of automotive, marine, and aviation engines; power station generators; and heating oil. The Performance Chemicals segment provides technology-based solutions for its customers' processes or products focused in the personal care, home care, agrochemical, and mining markets. The Oilfield Services segment develops and markets products to prevent loss of mud in drilling operations; chemical solutions for fracturing and stimulation operations; and products for oil and gas production, which enable flow assurance and asset integrity. The Octane Additives segment pro...
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