PE Ratio: 20.04

Basis: FMP quote price / unrounded diluted EPS from four consecutive issuer fiscal quarters. Source: stored company filings and market data; unavailable inputs remain N/A.

Is the P/E ratio high or low?

The P/E ratio of 20.04 is in line with its 5-year average of 20.88, near the low end of its 5-year range (14.08–115.43).

As of 2026-10-06T17:22:12.369Z. 13.95% above its 12-month average of 17.59.

PE Ratio (20.04) = Close Price ($98.20) / Diluted TTM EPS ($4.90)

IOSP PE Ratio Metrics

P/E vs. its own history

At 20.0, P/E is near its 20-year median — higher than 54% of readings in its 20-year history.

P/E Comparison

PE Ratio Formula & Definition

PE Ratio = Share Price / Diluted EPS (TTM)

The price-to-earnings ratio measures how much investors pay for each dollar of trailing earnings. A lower PE can indicate a cheaper valuation; a higher PE implies higher growth expectations.

Expanded definitions: Investopedia, Wikipedia, Corporate Finance Institute

PE Ratio FAQ

What is the P/E ratio for Innospec Inc. (IOSP)?

The P/E ratio for IOSP stock is 20.04.

Is Innospec Inc.'s P/E ratio high or low?

The P/E ratio of 20.04 is in line with its 5-year average of 20.88, near the low end of its 5-year range (14.08–115.43).

What is the TTM average P/E ratio for Innospec Inc. (IOSP)?

The TTM average P/E ratio for IOSP stock is 17.59.

What is the 3Y average P/E ratio for Innospec Inc. (IOSP)?

The 3Y average P/E ratio for IOSP stock is 37.06.

What is the 5Y average P/E ratio for Innospec Inc. (IOSP)?

The 5Y average P/E ratio for IOSP stock is 20.88.

What is the 10Y average P/E ratio for Innospec Inc. (IOSP)?

The 10Y average P/E ratio for IOSP stock is 22.04.

What is the 15Y average P/E ratio for Innospec Inc. (IOSP)?

The 15Y average P/E ratio for IOSP stock is 18.77.

What is the 20Y average P/E ratio for Innospec Inc. (IOSP)?

The 20Y average P/E ratio for IOSP stock is 18.57.

Showing the most recent 260 of 4,935 data points. The chart above shows the full history.

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