97.41
price up icon2.35%   2.24
after-market After Hours: 97.41
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Innospec Inc Stock (IOSP) Price History

The historical daily chart and data for Innospec Inc stock (IOSP), adjusted for splits and dividends, show that the latest closing stock price as of October 02, 2026, is $97.41.
  • Innospec Inc all-time high stock price is $133.71, occurred on May 10, 2024.
  • The lowest Innospec Inc stock price recorded was $35.00 on October 15, 2014. Since then, Innospec Inc's stock price has risen over 178.31% to $97.41 now.
  • The 52-week high stock price for IOSP is $98.77, representing a 1.40% increase from the current share price, occurred on September 25, 2026.
  • The 52-week low stock price for IOSP is $65.51, indicating a -32.75% decrease from the current share price, occurred on March 20, 2026.
  • The closing price of Innospec Inc (IOSP) stock in the beginning of 2025 was $93.46. The stock closed the year at $102.86, a gain of over 10.06% for the year.
The table below shows more information about IOSP historical price data:
Date High Low High - Low Volume % Change
Oct 02, 2026 $98.67 $95.44 $3.23 196,536.0 +2.35%
Oct 01, 2026 $95.69 $93.64 $2.05 267,607.0 -0.16%
Sep 30, 2026 $97.24 $95.09 $2.15 224,921.0 -1.45%
Sep 29, 2026 $98.09 $96.11 $1.98 114,204.0 -1.19%
Sep 28, 2026 $100.5 $97.58 $2.90 284,658.0 -0.85%
Sep 25, 2026 $98.77 $96.87 $1.90 201,985.0 +1.91%
Sep 24, 2026 $97.50 $95.76 $1.74 211,698.0 +0.28%
Sep 23, 2026 $98.00 $95.77 $2.23 262,161.0 +0.54%
Sep 22, 2026 $96.40 $92.59 $3.81 349,834.0 +3.80%
Sep 21, 2026 $93.33 $92.30 $1.03 150,510.0 -0.63%
Sep 18, 2026 $94.05 $91.55 $2.50 535,746.0 -0.03%
Sep 17, 2026 $93.88 $92.32 $1.56 183,434.0 +0.27%
Sep 16, 2026 $94.08 $91.11 $2.97 185,448.0 +1.21%
Sep 15, 2026 $92.23 $91.00 $1.23 261,348.0 -0.15%
Sep 14, 2026 $93.33 $91.80 $1.53 151,447.0 -1.36%
Sep 11, 2026 $93.83 $92.60 $1.23 80,068.0 +0.16%
Sep 10, 2026 $94.35 $92.00 $2.35 102,037.0 -0.52%
Sep 09, 2026 $94.05 $92.40 $1.65 127,186.0 +0.21%
Sep 08, 2026 $96.14 $92.49 $3.65 135,641.0 -0.62%

Innospec Inc Stock (IOSP) Year by Year Price History

In this detailed analysis, we present a comprehensive overview of the price movements of Innospec Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of IOSP shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Innospec Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.

Innospec Inc Stock (IOSP) Price History 2026

Month High Low High - Low Volume % Change
Oct, 2026 $98.67 $93.64 $5.03 660,679.0 +2.19%
Sep, 2026 $100.5 $91.00 $9.48 4,134,787.0 +1.56%
Aug, 2026 $96.68 $85.04 $11.64 3,807,052.0 +9.16%
Jul, 2026 $87.69 $79.44 $8.25 3,166,309.0 +5.64%
Jun, 2026 $87.82 $80.07 $7.75 4,576,315.0 -1.87%
May, 2026 $83.32 $75.13 $8.19 4,651,979.0 +8.76%
Apr, 2026 $78.02 $71.19 $6.83 3,827,243.0 +4.44%
Mar, 2026 $77.35 $65.51 $11.84 6,701,036.0 -4.65%
Feb, 2026 $92.14 $75.50 $16.64 4,250,283.0 -6.29%
Jan, 2026 $82.53 $75.40 $7.12 2,770,080.0 +6.77%

Innospec Inc Stock (IOSP) Price History 2025

Month High Low High - Low Volume % Change
Dec, 2025 $79.81 $72.95 $6.86 5,401,076.0 +4.52%
Nov, 2025 $77.05 $70.10 $6.95 4,997,924.0 +1.60%
Oct, 2025 $80.11 $72.03 $8.08 3,875,686.0 -4.64%
Sep, 2025 $87.77 $76.15 $11.62 4,755,357.0 -11.91%
Aug, 2025 $89.94 $74.09 $15.85 3,904,710.0 +9.62%
Jul, 2025 $90.46 $79.52 $10.94 4,192,672.0 -4.98%
Jun, 2025 $89.50 $82.20 $7.30 4,919,677.0 -1.16%
May, 2025 $95.55 $84.46 $11.09 3,386,709.0 -4.92%
Apr, 2025 $96.38 $80.32 $16.06 4,133,194.0 -5.56%
Mar, 2025 $103.8 $93.99 $9.86 6,711,502.0 -8.37%
Feb, 2025 $116.4 $99.49 $16.92 3,065,112.0 -8.77%
Jan, 2025 $117.1 $103.7 $13.43 1,919,516.0 +2.99%

Innospec Inc Stock (IOSP) Price History 2024

Month High Low High - Low Volume % Change
Dec, 2024 $120.7 $107.9 $12.77 2,470,401.0 -7.28%
Nov, 2024 $128.3 $107.7 $20.62 2,420,230.0 +10.05%
Oct, 2024 $116.9 $107.8 $9.14 1,570,491.0 -4.70%
Sep, 2024 $117.5 $104.0 $13.58 2,120,032.0 -1.88%
Aug, 2024 $132.0 $104.0 $27.91 3,627,929.0 -12.11%
Jul, 2024 $133.5 $119.9 $13.60 2,317,312.0 +6.11%
Jun, 2024 $131.4 $121.3 $10.12 2,234,814.0 -5.51%
May, 2024 $133.7 $119.1 $14.61 2,364,852.0 +9.00%
Apr, 2024 $129.0 $119.6 $9.44 1,485,094.0 -6.93%
Mar, 2024 $131.2 $121.2 $9.93 1,924,235.0 +3.76%
Feb, 2024 $126.5 $114.2 $12.31 1,742,756.0 +7.03%
Jan, 2024 $123.7 $114.3 $9.40 1,938,431.0 -5.79%
ESI ESI
$37.93
price up icon 4.40%
ALB ALB
$104.59
price down icon 0.42%
RPM RPM
$99.19
price down icon 0.03%
SQM SQM
$64.52
price up icon 0.62%
LYB LYB
$58.58
price up icon 1.38%
IFF IFF
$82.42
price down icon 0.84%
Cap:     |  Volume (24h):