IOSP vs MGPI: Correlation
Innospec Inc. (IOSP) and MGP Ingredients, Inc. (MGPI) show a moderate relationship: their 3-year correlation of weekly returns is 0.50.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are IOSP and MGPI?
Across a 3-year window, the weekly returns of IOSP and MGPI correlate at 0.50, moderate. The relationship has been stable: the 1-year correlation (0.50) sits close to the 3-year figure. Stretching to 5 years gives 0.41, with an annualized covariance of 531.9 %².
Within IOSP's tracked universe of 35 assets, MGPI comes in at #24 by 3-year correlation. The last year tells two different stories: IOSP led by 55.3 percentage points, +11.3% for IOSP against -44.0% for MGPI. Note the risk asymmetry: MGPI runs 1.5 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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 MGPI: side by side
| IOSP (Innospec Inc.) | MGPI (MGP Ingredients, Inc.) | |
|---|---|---|
| 1-year return | +11.3% | -44.0% |
| 5-year return | +10.2% | -73.6% |
| Volatility (ann.) | 26.6% | 40.4% |
| Beta vs S&P 500 | 0.94 | 0.75 |
| Max drawdown (3Y) | -48.4% | -86.5% |
| Market cap | $2.3B | $0.3B |
| P/E (trailing) | 19.5 | – |
| Dividend yield | 1.87% | 2.75% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | IOSP | MGPI |
|---|---|---|
| 2022 | +15.2% | +25.8% |
| 2023 | +21.5% | -7.0% |
| 2024 | -9.6% | -59.8% |
| 2025 | -28.9% | -37.3% |
| 2026 | +26.0% | -31.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are IOSP and MGPI good diversifiers for each other?
Somewhat, no more. With 0.50 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between IOSP and MGPI?
As of 2026-08-27, the correlation of weekly returns between IOSP and MGPI is 0.50 over 3 years, 0.50 over 1 year and 0.41 over 5 years.
Is MGPI a good diversifier for IOSP?
Somewhat, no more. With 0.50 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.50 mean?
On the −1 to +1 scale, 0.50 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/iosp-vs-mgpi.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/iosp-vs-mgpi/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: IOSP correlations · MGPI correlations
