MLI vs PLXS: Correlation
Measured on weekly returns over the past three years, Mueller Industries, Inc. (MLI) and Plexus Corp. (PLXS) carry a correlation of 0.53, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MLI and PLXS?
Over the past 3 years, MLI and PLXS moved with a correlation of 0.53, which is moderate. The relationship has been stable: the 1-year correlation (0.45) sits close to the 3-year figure. Over 5 years the correlation is 0.51, and the annualized covariance of weekly returns is 555.5 %².
Few assets follow MLI as closely as PLXS, which ranks #1 of 10 tracked partners. Correlation aside, the last 12 months split them widely, with PLXS ahead by 42.7 points (+34.4% versus +77.1%).
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.
MLI vs PLXS: side by side
| MLI (Mueller Industries, Inc.) | PLXS (Plexus Corp.) | |
|---|---|---|
| 1-year return | +34.4% | +77.1% |
| 5-year return | +509.6% | +165.9% |
| Volatility (ann.) | 31.5% | 33.3% |
| Beta vs S&P 500 | 0.93 | 1.03 |
| Max drawdown (3Y) | -27.8% | -34.9% |
| Market cap | $14.2B | $6.5B |
| P/E (trailing) | 16.7 | 36.1 |
| Dividend yield | 0.94% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MLI | PLXS |
|---|---|---|
| 2022 | +1.0% | +7.3% |
| 2023 | +62.4% | +5.1% |
| 2024 | +70.5% | +44.7% |
| 2025 | +46.3% | -6.1% |
| 2026 | +12.5% | +67.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MLI and PLXS good diversifiers for each other?
Only partially. A correlation of 0.53 means MLI and PLXS share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between MLI and PLXS?
As of 2026-08-27, the correlation of weekly returns between MLI and PLXS is 0.53 over 3 years, 0.45 over 1 year and 0.51 over 5 years.
Is PLXS a good diversifier for MLI?
Only partially. A correlation of 0.53 means MLI and PLXS share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.53 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/mli-vs-plxs.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/mli-vs-plxs/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: MLI correlations · PLXS correlations
