MZTI vs STE: Correlation
The Marzetti Company (MZTI) and Steris (STE) show a moderate relationship: their 3-year correlation of weekly returns is 0.33.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MZTI and STE?
Over the past 3 years, MZTI and STE moved with a correlation of 0.33, which is moderate. Lately the two have moved closer together, with the 1-year correlation at 0.50 versus 0.33 over 3 years. Over 5 years the correlation is 0.17, and the annualized covariance of weekly returns is 217.8 %².
In MZTI's tracked universe of 11 assets, STE sits right near the top at #2. Their recent paths diverged sharply: over the last 12 months STE outperformed by 30.7 percentage points (-36.4% for MZTI against -5.7% for STE).
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.
MZTI vs STE: side by side
| MZTI (The Marzetti Company) | STE (Steris) | |
|---|---|---|
| 1-year return | -36.4% | -5.7% |
| 5-year return | -29.4% | +13.6% |
| Volatility (ann.) | 29.3% | 22.3% |
| Beta vs S&P 500 | 0.29 | 0.43 |
| Max drawdown (3Y) | -46.8% | -25.4% |
| Market cap | $3.1B | $22.7B |
| P/E (trailing) | 16.1 | 28.5 |
| Dividend yield | 3.48% | 1.06% |
| Sector / category | US Listed | Health Care |
Year-by-year returns
| Year | MZTI | STE |
|---|---|---|
| 2022 | +21.6% | -23.4% |
| 2023 | -14.0% | +20.2% |
| 2024 | +6.1% | -5.6% |
| 2025 | -2.9% | +24.3% |
| 2026 | -30.5% | -7.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MZTI and STE good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.33 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between MZTI and STE?
As of 2026-08-27, the correlation of weekly returns between MZTI and STE is 0.33 over 3 years, 0.50 over 1 year and 0.17 over 5 years.
Is STE a good diversifier for MZTI?
Yes, to a useful degree: a correlation of 0.33 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.33 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/mzti-vs-ste.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/mzti-vs-ste/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: MZTI correlations · STE correlations
