Olin (OLN) Market Cap 1985–2026

As of October 29, 2026, Olin had a market cap of $1.83 billion, which decreased by 2.56% compared to the previous trading day. Market capitalization, often referred to as market cap, represents the total value of a company's outstanding shares on the stock market and is a common measure of its overall size and valuation.

Data updated: Oct 29, 2026, 4:00 PM ET
Olin logo

Olin Corp. (OLN)

🌍 United States 📈 NYSE 🏭 Basic Materials 🏢 Chemicals
Latest Market Cap
$1.83B ▼ 2.56%
Start of 2026
$2.377B ▼ 23.01%
1 Year Ago
$2.37B ▼ 22.78%
All-Time High
$10.267B ▼ 82.17%


Loading data...


Note: Each point on the chart represents the market capitalization at the end of the trading day.
Source: Data compiled from EDGAR filings, Bloomberg and Yahoo Finance.

📈 Olin Market Cap History by Year and Month

Olin Market Cap History by Year and Month
Year / MonthMarket Cap% Change
2026$1.83B▼ 23.01%
$1.83B▲ 3.57%
$1.767B▼ 10.94%
$1.984B▼ 5.97%
$2.11B▼ 6.51%
$2.257B▼ 23.41%
$2.947B▼ 9.13%
$3.243B▼ 4.19%
$3.385B▲ 17.41%
$2.883B▲ 21.95%
$2.364B▼ 0.55%
2025$2.377B▼ 39.22%
2024$3.911B▼ 40.85%
2023$6.612B▼ 8.81%
2022$7.251B▼ 19.60%
All market cap values reflect closing prices for the period shown.

📊 Olin Market Cap and Other Industry Peers

Below are selected companies from the Basic Materials sector / subsector:

  1. $24.34B
  2. $21.11B
  3. $17.9B
  4. $13.04B
  5. $11.01B
  6. $9.94B
  7. $8.59B
  8. $8.44B
  9. $7.77B
  10. $7.65B
  11. $7.39B
  12. $7.19B
  13. $5.8B
  14. $5.3B
  15. $3.6B
  16. $3.41B
  17. $1.99B
  18. $1.83B
  19. $1.56B
  20. $0.59B


Data reflect the most recent market capitalization values available.

Note: Market capitalization figures are based on available sources and may differ slightly from actual values, particularly for historical data.