IOSP
Innospec Inc
NASDAQ: IOSP · BASIC MATERIALS · SPECIALTY CHEMICALS
$75.61
-1.34% today
Updated 2026-04-29
Market cap
$1.91B
P/E ratio
16.41
P/S ratio
1.07x
EPS (TTM)
$4.67
Dividend yield
2.20%
52W range
$66 – $94
Volume
0.2M
Innospec Inc (IOSP) Earnings
Quarterly earnings history, analyst estimates, and stock price reaction.
EPS beat streak
8 of 8
Last 8 quarters
Avg EPS surprise
+6.5%
Last 4 quarters
Revenue YoY growth
-2.4%
Most recent quarter
EPS YoY growth
+6.4%
Most recent quarter
Earnings surprise history (last 12 quarters)
Beat estimate Missed estimate
Quarterly EPS and revenue trend
Quarterly revenue EPS (diluted)
How the stock reacts to earnings
Avg 1-day reaction
-0.4%
Last 3 reports
Positive reaction rate
33%
1 of 3 quarters
Largest single-day move
-1.4%
2025-08-05
| Report date | EPS actual | Surprise | Close before | Close after | 1-day reaction |
|---|---|---|---|---|---|
| 2026-02-17 | $1.50 | +21.0% | $86.58 | $86.36 | -0.3% |
| 2025-11-04 | $1.12 | +0.9% | $73.65 | $74.01 | +0.5% |
| 2025-08-05 | $1.26 | +4.1% | $79.35 | $78.25 | -1.4% |
Quarterly earnings history
| Fiscal quarter ending | EPS estimate | EPS actual | Surprise | Revenue | YoY revenue |
|---|---|---|---|---|---|
| 2025-12-31 | $1.24 | $1.50 | +21.0% | $455.60M | -2.4% |
| 2025-09-30 | $1.11 | $1.12 | +0.9% | $441.90M | -0.3% |
| 2025-06-30 | $1.21 | $1.26 | +4.1% | $439.70M | +1.1% |
| 2025-03-31 | $1.42 | $1.42 | +0.0% | $440.80M | -11.9% |
| 2024-12-31 | $1.36 | $1.41 | +3.7% | $466.80M | -5.6% |
| 2024-09-30 | $1.35 | $1.35 | +0.0% | $443.40M | -4.5% |
| 2024-06-30 | $1.37 | $1.39 | +1.5% | $435.00M | -9.5% |
| 2024-03-31 | $1.64 | $1.75 | +6.7% | $500.20M | — |
| 2023-12-31 | $1.62 | $1.84 | +13.6% | $494.70M | — |
| 2023-09-30 | $1.45 | $1.59 | +9.7% | $464.10M | — |
| 2023-06-30 | $1.28 | $1.28 | +0.0% | $480.40M | — |
Frequently asked questions
Has Innospec Inc beaten earnings estimates?
Innospec Inc has beaten Wall Street EPS estimates in 8 of its last 8 quarterly reports, with an average EPS surprise of +6.5% over the last 4 quarters.
How does IOSP stock react to earnings?
IOSP stock has moved an average of -0.4% in the trading day following earnings over its last 3 reports, with positive reactions in 33% of those quarters.
What is Innospec Inc's revenue growth rate?
Innospec Inc reported year-over-year revenue growth of -2.4% in its most recent quarter, with EPS growing +6.4% year-over-year.