earnings
IO
NASDAQ · IOSP
Innospec Inc.
Basic Materials · Chemicals - Specialty
$99.92
Up+$0.74 (+0.75%)
Updated Oct 28, 2026, 5:49 AM
SID Score
6.3/10
Composite research score
Smart Money
—
Institutional and insider signal
- Market cap
- 1.95B
- P/E ratio
- -1,627.04
- Dividend yield
- 1.71%
- 52-week range
- $65.51 – $100.62
- Volume
- 133.62K
- Avg. volume
- 231.01K
Price performance · IOSP
IOSP price history
1M range · 21 trading sessions · Daily adjusted prices
Prices through Oct 27, 2026
IOSP closed at $99.92 after 21 trading sessions, up 3.31% for the selected period.
- Last close
- $99.92
- Period change
- +3.31%
- Period low
- $95.17
- Period high
- $99.92
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 27, 2026 | $99.72 | $100.105 | $99.14 | $99.92 | 133.62K |
| Oct 26, 2026 | $99.12 | $100.62 | $98.785 | $99.18 | 128.46K |
| Oct 23, 2026 | $97.74 | $98.91 | $97.1201 | $98.64 | 113.25K |
| Oct 22, 2026 | $99.10 | $100.07 | $98.45 | $98.67 | 501.94K |
| Oct 21, 2026 | $99.34 | $99.77 | $98.76 | $99.64 | 402.25K |
| Oct 20, 2026 | $98.32 | $99.88 | $97.40 | $99.16 | 414.54K |
| Oct 19, 2026 | $96.83 | $98.49 | $96.32 | $97.99 | 243.85K |
| Oct 16, 2026 | $96.75 | $97.40 | $96.06 | $96.81 | 177.67K |
| Oct 15, 2026 | $97.56 | $98.67 | $96.12 | $96.60 | 240.95K |
| Oct 14, 2026 | $96.50 | $97.66 | $96.50 | $97.10 | 150.92K |
| Oct 13, 2026 | $96.30 | $97.885 | $95.90 | $97.43 | 131.59K |
| Oct 12, 2026 | $95.70 | $96.50 | $95.00 | $95.66 | 172.43K |
| Oct 9, 2026 | $97.48 | $97.89 | $95.53 | $95.65 | 182.35K |
| Oct 8, 2026 | $97.05 | $98.49 | $96.055 | $97.69 | 181.24K |
| Oct 7, 2026 | $97.39 | $98.64 | $96.85 | $97.42 | 304.61K |
| Oct 6, 2026 | $98.27 | $99.22 | $97.32 | $98.55 | 233.65K |
| Oct 5, 2026 | $97.62 | $98.60 | $96.715 | $97.65 | 193.43K |
| Oct 2, 2026 | $96.43 | $98.67 | $95.44 | $97.41 | 196.54K |
| Oct 1, 2026 | $94.83 | $95.6887 | $93.635 | $95.17 | 330.61K |
| Sep 30, 2026 | $97.16 | $97.2425 | $95.09 | $95.32 | 226.96K |
| Sep 29, 2026 | $97.56 | $98.09 | $96.11 | $96.72 | 185.21K |
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