Innospec - 27 Year Stock Price History | IOSP

The latest closing stock price for Innospec as of July 03, 2025 is 88.70.

  • An investor who bought $1,000 worth of Innospec stock at the IPO in 1998 would have $5,981 today, roughly 6 times their original investment - a 7.46% compound annual growth rate over 27 years.
  • The all-time high Innospec stock closing price was 129.30 on July 23, 2024.
  • The Innospec 52-week high stock price is 133.53, which is 50.5% above the current share price.
  • The Innospec 52-week low stock price is 80.32, which is 9.4% below the current share price.
  • The average Innospec stock price for the last 52 weeks is 105.73.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

Innospec - 27 Year Stock Price History | IOSP

  • An investor who bought $1,000 worth of Innospec stock at the IPO in 1998 would have $5,981 today, roughly 6 times their original investment - a 7.46% compound annual growth rate over 27 years.
  • The all-time high Innospec stock closing price was 129.30 on July 23, 2024.
  • The Innospec 52-week high stock price is 133.53, which is 50.5% above the current share price.
  • The Innospec 52-week low stock price is 80.32, which is 9.4% below the current share price.
  • The average Innospec stock price for the last 52 weeks is 105.73.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.