PLXS vs TTMI: Correlation
Plexus Corp. (PLXS) and TTM Technologies, Inc. (TTMI) show a strong relationship: their 3-year correlation of weekly returns is 0.64.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PLXS and TTMI?
Across a 3-year window, the weekly returns of PLXS and TTMI correlate at 0.64, strong. Little has changed lately, as the 1-year reading of 0.70 lands near the 3-year figure. Stretching to 5 years gives 0.61, with an annualized covariance of 1287.2 %².
In PLXS's tracked universe of 13 assets, TTMI sits right near the top at #3. The last year tells two different stories: TTMI led by 103.2 percentage points, +77.1% for PLXS against +180.3% for TTMI. Note the risk asymmetry: TTMI runs 1.8 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.
PLXS vs TTMI: side by side
| PLXS (Plexus Corp.) | TTMI (TTM Technologies, Inc.) | |
|---|---|---|
| 1-year return | +77.1% | +180.3% |
| 5-year return | +165.9% | +785.9% |
| Volatility (ann.) | 33.3% | 60.7% |
| Beta vs S&P 500 | 1.03 | 2.23 |
| Max drawdown (3Y) | -34.9% | -54.0% |
| Market cap | $6.5B | $13.1B |
| P/E (trailing) | 36.1 | 54.9 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PLXS | TTMI |
|---|---|---|
| 2022 | +7.3% | +1.2% |
| 2023 | +5.1% | +4.8% |
| 2024 | +44.7% | +56.5% |
| 2025 | -6.1% | +178.8% |
| 2026 | +67.0% | +80.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PLXS and TTMI good diversifiers for each other?
To a limited degree. At 0.64 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 PLXS and TTMI?
Using weekly returns as of 2026-08-27: 0.64 over 3 years, with 0.70 over the last year and 0.61 over 5 years.
Is TTMI a good diversifier for PLXS?
To a limited degree. At 0.64 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 0.64 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.
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Related comparisons
Hubs: PLXS correlations · TTMI correlations
