Olin Market Cap 2012-2026 | OLN

Olin market cap history and chart from 2012 to 2026. Market capitalization (or market value) is the most commonly used method of measuring the size of a publicly traded company and is calculated by multiplying the current stock price by the number of shares outstanding. Olin market cap as of May 12, 2026 is $3.3B.
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Sector Industry Market Cap Revenue
Basic Materials Chemicals - Diversified $3.296B $6.781B
Olin Corporation is a vertically-integrated global producer and distributor of chemical products and U.S. maker of ammunition. Internationally, the company operates in regions including Latin America, Asia Pacific and Europe. Olin's operations are focused in three business segments: Chlor Alkali Products and Vinyls, Epoxy and Winchester. Chlor Alkali Products and Vinyls segment produces and sells chlorine and caustic soda, vinyl chloride monomer and ethylene dichloride, methylene chloride, methyl chloride, carbon tetrachloride, chloroform, trichloroethylene, perchloroethylene, hydrochloric acid, vinylidene chloride, hydrogen, potassium hydroxide and bleach products. The division is one of the largest marketers of caustic soda in Brazil. The company's diversified caustic soda sourcing enables it to supply global customers cost effectively.
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