IOSP vs KWR: Correlation
Innospec Inc. (IOSP) and Quaker Houghton (KWR) show a strong relationship: their 3-year correlation of weekly returns is 0.70.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are IOSP and KWR?
Across a 3-year window, the weekly returns of IOSP and KWR correlate at 0.70, strong. Recent behaviour matches the longer record: 0.66 over 1 year against 0.70 over 3. Stretching to 5 years gives 0.62, with an annualized covariance of 639.4 %².
Among the 35 assets we track against IOSP, KWR ranks #6 by 3-year correlation. Their 12-month results are close: +11.3% for IOSP against +15.1% for KWR.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
IOSP vs KWR: side by side
| IOSP (Innospec Inc.) | KWR (Quaker Houghton) | |
|---|---|---|
| 1-year return | +11.3% | +15.1% |
| 5-year return | +10.2% | -32.5% |
| Volatility (ann.) | 26.6% | 34.3% |
| Beta vs S&P 500 | 0.94 | 1.16 |
| Max drawdown (3Y) | -48.4% | -55.3% |
| Market cap | $2.3B | $2.8B |
| P/E (trailing) | 19.5 | 29.4 |
| Dividend yield | 1.87% | 1.24% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | IOSP | KWR |
|---|---|---|
| 2022 | +15.2% | -26.9% |
| 2023 | +21.5% | +29.1% |
| 2024 | -9.6% | -33.4% |
| 2025 | -28.9% | -0.8% |
| 2026 | +26.0% | +20.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are IOSP and KWR good diversifiers for each other?
Somewhat, no more. With 0.70 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between IOSP and KWR?
The IOSP/KWR correlation stands at 0.70 on a 3-year window (1 year: 0.66, 5 years: 0.62), computed from weekly returns as of 2026-08-27.
Is KWR a good diversifier for IOSP?
Somewhat, no more. With 0.70 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.70 mean?
A reading of 0.70 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/iosp-vs-kwr.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/iosp-vs-kwr/)
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Related comparisons
Hubs: IOSP correlations · KWR correlations
