Stocks / IOSP / P/E Ratio

Innospec Inc. P/E Ratio 2009–2025

Innospec Inc. reported 16.20 of price-to-earnings ratio for fiscal 2025. That was 78.4% lower than fiscal 2024. Compared with fiscal 2020, the change was -77.5%. This is a fiscal-year-end price divided by diluted EPS—not a live valuation—and is omitted when annual EPS is not positive.

Latest filed value
16.20
One-year change
-78.4%
Change since 2020
-77.5%
Latest period end
2025-12-31
Innospec Inc. P/E Ratio history from 2009 to 2025FY 2009: 30.35955612476055FY 2010: 5.3734259171919385FY 2011: 11.437177658081055FY 2012: 9.602061370089384FY 2013: 12.09917246184734FY 2014: 10.78608360516249FY 2015: 9.6580630957835FY 2016: 18.002147502727336FY 2017: 24.812489464169456FY 2018: 16.043309750764266FY 2019: 20.655738729737404FY 2020: 71.94772259942417FY 2021: 22.426273600260416FY 2022: 18.218545268352766FY 2023: 21.173139613309353FY 2024: 74.96895588619608FY 2025: 16.19897389054554
Annual filed history. Hover chart points for raw values; the accessible table below is the source of record.
Fiscal yearP/E RatioChange (YoY)
FY 202516.20-78.4%
FY 202474.97+254.1%
FY 202321.17+16.2%
FY 202218.22-18.8%
FY 202122.43-68.8%
FY 202071.95+248.3%
FY 201920.66+28.7%
FY 201816.04-35.3%
FY 201724.81+37.8%
FY 201618.00+86.4%
FY 20159.66-10.5%
FY 201410.79-10.9%
FY 201312.10+26.0%
FY 20129.60-16.0%
FY 201111.44+112.8%
FY 20105.37-82.3%
FY 200930.36—

Source: Innospec Inc. SEC filings — fiscal-year-end price ÷ diluted EPS. Computed deterministically; refreshed nightly (last updated August 2, 2026). Open IOSP 10-K filings at SEC EDGAR · Methodology · Download CSV.

How to read this history

Innospec Inc. reported 16.20 of price-to-earnings ratio for fiscal 2025. That was 78.4% lower than fiscal 2024. Compared with fiscal 2020, the change was -77.5%. This is a fiscal-year-end price divided by diluted EPS—not a live valuation—and is omitted when annual EPS is not positive. Values remain missing when the cached filing does not disclose a comparable line item; they are never estimated. Stock splits, reorganizations and fiscal-calendar changes can reduce comparability.

Prepared and reviewed by the stockportfolio.pro research desk. Corrections: support@stockportfolio.pro.

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Innospec Inc. — frequently asked questions

What is Innospec Inc.'s price-to-earnings ratio?

Innospec Inc. (IOSP) reported price-to-earnings ratio of 16.20 for fiscal year 2025, per its SEC filings.

How has Innospec Inc.'s price-to-earnings ratio changed over time?

Between fiscal 2009 and 2025, IOSP's price-to-earnings ratio declined at roughly 3.8% per year (compound annual rate), from 30.36 to 16.20.

Where does this data come from?

Figures are computed from Innospec Inc.'s official SEC filings (fiscal-year-end price ÷ diluted EPS), refreshed nightly. Not investment advice.

More IOSP financial history

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