OlinOLN -2.61%60 Market Cap is $2,382 Mil as of Jun. 24, 2026. GuruFocus rates OLN with a GF Score™ of 60/100 and a GF Value™ of $45.87 (Possible Value Trap). The stock has 6 warning signs investors should review. Among 1,638 Chemicals companies, Olin ranks better than 86.02% on this metric.
Market cap is the total market value to buy the whole company. It is equal to the share price times the number of Shares Outstanding (EOP). Olin's share price for the quarter that ended in Mar. 2026 was $29.73. Olin's Shares Outstanding (EOP) for the quarter that ended in Mar. 2026 was 114 Mil. Therefore, Olin's market cap for the quarter that ended in Mar. 2026 was $3,386 Mil.
Olin's quarterly market cap
declined
from Sep. 2025 ($2,852 Mil) to Dec. 2025 ($2,366 Mil) but then
increased
from Dec. 2025 ($2,366 Mil) to Mar. 2026 ($3,386 Mil).
Olin's annual market cap
declined
from Dec. 2023 ($6,485 Mil) to Dec. 2024 ($3,911 Mil) and
declined
from Dec. 2024 ($3,911 Mil) to Dec. 2025 ($2,366 Mil).
Enterprise Value is the theoretical takeover price. It is more comprehensive than market capitalization (market cap), which only includes common equity. Enterprise Value is calculated as the market cap plus debt and minority interest and preferred shares, minus total cash and cash equivalents. Olin's Enterprise Value for Today is $5,501 Mil.
Olin (NYSE:OLN) Market Cap Explanation
Market cap is not the real price you pay for a company. If you buy the company and become its owner, you become the owner of the cash the company has, and you also assume the companys debt. The real price you pay is the Enterprise Value.
Warren Buffett uses the ratio of total market cap of all public traded companies over GDP to measure if the market is expensive. As of April 2012, the US total market cap is about $14.7 trillion, while the US GDP is about $15 trillion. The market was modestly overvalued.
Olin Market Cap Related Terms
Olin Market Cap Historical Data
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The historical data trend for Olin's Market Cap can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Chemicals subindustry, Olin's Market Cap, along with its competitors' market caps and Market Cap data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Olin Market Cap vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, Olin's Market Cap distribution charts can be found below:
* The bar in red indicates where Olin's Market Cap falls into.
Market cap is the short version of market capitalization. It is the total market value to buy the whole company. It is equal to the share price times the number of shares outstanding.
Olin's Market Cap for the fiscal year that ended in Dec. 2025 is calculated as
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Olin (OLN) has a Market Cap of $2,382 Mil as of Jun. 24, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Olin and its competitors. According to the industry distribution chart, Olin ranks #229 out of 1638 companies in the Chemicals industry, placing it in the top 14%.
Is Olin's Market Cap too high?
Olin's current Market Cap is $2,382 Mil. The Chemicals industry median Market Cap is 301.68. Olin's value of $2,382 Mil is 689.6% above this industry median. Based on the distribution chart, Olin ranks #229 out of 1638 companies in the Chemicals industry, which is in the top quartile — a strong position relative to peers. Overall, Olin has a GF Score™ of 60/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Olin's Market Cap compare to HUN and REX?
According to the Chemicals industry distribution chart, Olin ranks #229 out of 1638 companies for Market Cap. This places Olin in the top 14% of its industry — outperforming the majority of peers. The industry median Market Cap is 301.68. Olin's value of $2,382 Mil is 689.6% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Market Cap for a Chemicals company?
The median Market Cap among Chemicals companies is 301.68, based on 1,638 companies in the industry. Companies in the top quartile (top 25%) have a Market Cap significantly above this median, while those in the bottom quartile fall well below. However, Market Cap should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Olin's current Market Cap of $2,382 Mil is 689.6% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Market Cap mean?
A high Market Cap can signal that a stock is expensive relative to its fundamentals. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Olin and its competitors. For the Chemicals industry, the median Market Cap is 301.68 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Olin's current Market Cap is $2,382 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Olin stock overvalued right now?
Based on GuruFocus' analysis, Olin (OLN) is currently considered Possible Value Trap. The stock's GF Value™ is $45.87, compared to a current price of $20.90 — trading 54.4% below its estimated fair value. The current Market Cap is $2,382 Mil and 689.6% above the Chemicals industry median of 301.68. Olin's overall GF Score™ is 60/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Market Cap calculated?
Market Cap is calculated from a company's financial statements. For Olin (OLN), the current Market Cap is $2,382 Mil as of Jun. 24, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Olin (OLN) Overvalued in 2026?
Based on GuruFocus' analysis, Olin stock appears to be undervalued.
The current stock price of $20.90 is trading 54.4% below its estimated GF Value™ of $45.87.
GuruFocus considers Olin to be Possible Value Trap.
Key valuation signals for OLN:
Market Cap: $2,382 Mil
GF Value™: $45.87 vs. price of $20.90 (54.4% below fair value)
Industry Position: 689.6% above the Chemicals median (#229 of 1638)
No single metric tells the full story. See the OLN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Olin was founded in 1892 and has been publicly listed since 1917. The company has a unique dual identity compared with some of its chemical peers: it is the world's largest chlor-alkali producer by capacity, and it owns the Winchester brand, a leading US ammunition manufacturer. Olin has three reportable segments: chlor-alkali products and vinyls (CAPV or CAP), Epoxies, and Winchester, which represent around 55%, 20%, and 25% of sales, respectively.
60GF Score
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