ANET vs MPWR: Correlation
How closely do Arista Networks (ANET) and Monolithic Power Systems (MPWR) trade together? Their weekly returns over three years give a correlation of 0.60, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ANET and MPWR?
Over the past 3 years, ANET and MPWR moved with a correlation of 0.60, which is strong. The relationship has been stable: the 1-year correlation (0.50) sits close to the 3-year figure. Over 5 years the correlation is 0.58, and the annualized covariance of weekly returns is 1419.9 %².
Among the 35 assets we track against ANET, MPWR ranks #17 by 3-year correlation. Their 12-month results are close: +50.9% for ANET against +52.4% for MPWR. On a rolling one-year basis the correlation drifted between 0.44 and 0.74, a moderate band.
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.
ANET vs MPWR: side by side
| ANET (Arista Networks) | MPWR (Monolithic Power Systems) | |
|---|---|---|
| 1-year return | +50.9% | +52.4% |
| 5-year return | +764.7% | +170.3% |
| Volatility (ann.) | 49.3% | 48.1% |
| Beta vs S&P 500 | 2.20 | 2.22 |
| Max drawdown (3Y) | -50.4% | -51.6% |
| Market cap | $253.6B | $64.4B |
| P/E (trailing) | 64.0 | 79.4 |
| Dividend yield | 0.00% | 0.55% |
| Sector / category | Information Technology | Information Technology |
Year-by-year returns
| Year | ANET | MPWR |
|---|---|---|
| 2022 | -15.6% | -27.8% |
| 2023 | +94.1% | +79.8% |
| 2024 | +87.7% | -5.6% |
| 2025 | +18.5% | +54.5% |
| 2026 | +53.5% | +45.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ANET and MPWR good diversifiers for each other?
Somewhat, no more. With 0.60 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between ANET and MPWR?
Using weekly returns as of 2026-08-27: 0.60 over 3 years, with 0.50 over the last year and 0.58 over 5 years.
Is MPWR a good diversifier for ANET?
Somewhat, no more. With 0.60 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.60 mean?
A reading of 0.60 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: ANET correlations · MPWR correlations
