GEF vs IOSP: Correlation
Measured on weekly returns over the past three years, Greif Inc. (GEF) and Innospec Inc. (IOSP) carry a correlation of 0.60, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GEF and IOSP?
Across a 3-year window, the weekly returns of GEF and IOSP correlate at 0.60, strong. Little has changed lately, as the 1-year reading of 0.61 lands near the 3-year figure. Stretching to 5 years gives 0.56, with an annualized covariance of 444.0 %².
IOSP is one of the assets that tracks GEF most closely: it ranks #3 out of the 16 assets we track against GEF. The last year tells two different stories: GEF led by 21.6 percentage points, +32.9% for GEF against +11.3% for IOSP.
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.
GEF vs IOSP: side by side
| GEF (Greif Inc.) | IOSP (Innospec Inc.) | |
|---|---|---|
| 1-year return | +32.9% | +11.3% |
| 5-year return | +58.9% | +10.2% |
| Volatility (ann.) | 27.9% | 26.6% |
| Beta vs S&P 500 | 0.71 | 0.94 |
| Max drawdown (3Y) | -30.8% | -48.4% |
| Market cap | $4.8B | $2.3B |
| P/E (trailing) | 34.9 | 19.5 |
| Dividend yield | 4.84% | 1.87% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | GEF | IOSP |
|---|---|---|
| 2022 | +14.5% | +15.2% |
| 2023 | +0.9% | +21.5% |
| 2024 | -3.6% | -9.6% |
| 2025 | +14.8% | -28.9% |
| 2026 | +27.0% | +26.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GEF and IOSP good diversifiers for each other?
To a limited degree. At 0.60 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between GEF and IOSP?
The GEF/IOSP correlation stands at 0.60 on a 3-year window (1 year: 0.61, 5 years: 0.56), computed from weekly returns as of 2026-08-27.
Is IOSP a good diversifier for GEF?
To a limited degree. At 0.60 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.60 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/gef-vs-iosp.json
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Related comparisons
Hubs: GEF correlations · IOSP correlations