BIO vs STVN: Correlation
Measured on weekly returns over the past three years, Bio-Rad Laboratories, Inc. (BIO) and Stevanato Group S.p.A. (STVN) carry a correlation of 0.37, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BIO and STVN?
Over the past 3 years, BIO and STVN moved with a correlation of 0.37, which is moderate. The link has loosened recently: the 1-year correlation (0.23) runs below the 3-year figure (0.37). Over 5 years the correlation is 0.40, and the annualized covariance of weekly returns is 671.8 %².
Within BIO's tracked universe of 13 assets, STVN comes in at #8 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months BIO outperformed by 33.3 percentage points (+33.2% for BIO against -0.1% for STVN).
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.
BIO vs STVN: side by side
| BIO (Bio-Rad Laboratories, Inc.) | STVN (Stevanato Group S.p.A.) | |
|---|---|---|
| 1-year return | +33.2% | -0.1% |
| 5-year return | -52.1% | -6.9% |
| Volatility (ann.) | 38.4% | 47.2% |
| Beta vs S&P 500 | 0.85 | 0.80 |
| Max drawdown (3Y) | -45.9% | -61.0% |
| Market cap | $10.4B | $6.1B |
| P/E (trailing) | 47.4 | 39.1 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BIO | STVN |
|---|---|---|
| 2022 | -44.3% | -19.7% |
| 2023 | -23.2% | +52.2% |
| 2024 | +1.7% | -19.9% |
| 2025 | -7.8% | -7.4% |
| 2026 | +28.7% | +11.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BIO and STVN good diversifiers for each other?
Reasonably. At 0.37, BIO and STVN keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between BIO and STVN?
As of 2026-08-27, the correlation of weekly returns between BIO and STVN is 0.37 over 3 years, 0.23 over 1 year and 0.40 over 5 years.
Is STVN a good diversifier for BIO?
Reasonably. At 0.37, BIO and STVN keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.37 mean?
A reading of 0.37 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/bio-vs-stvn.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/bio-vs-stvn/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BIO correlations · STVN correlations
