MPWR vs SMCI: Correlation
How closely do Monolithic Power Systems (MPWR) and Supermicro (SMCI) trade together? Their weekly returns over three years give a correlation of 0.43, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MPWR and SMCI?
On 3 years of weekly data the MPWR/SMCI correlation comes out at 0.43, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.19 versus 0.43 over 3 years. The 5-year figure is 0.43, and annualized covariance runs at 2211.7 %².
Within MPWR's tracked universe of 41 assets, SMCI comes in at #31 by 3-year correlation. Correlation aside, the last 12 months split them widely, with MPWR ahead by 66.5 points (+52.4% versus -14.1%). On a rolling one-year basis the correlation drifted between 0.19 and 0.65, a moderate band. Risk is not evenly split, since SMCI carries 2.2 times the volatility of the other side.
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.
MPWR vs SMCI: side by side
| MPWR (Monolithic Power Systems) | SMCI (Supermicro) | |
|---|---|---|
| 1-year return | +52.4% | -14.1% |
| 5-year return | +170.3% | +983.4% |
| Volatility (ann.) | 48.1% | 107.1% |
| Beta vs S&P 500 | 2.22 | 3.08 |
| Max drawdown (3Y) | -51.6% | -84.8% |
| Market cap | $64.4B | $24.9B |
| P/E (trailing) | 79.4 | 11.5 |
| Dividend yield | 0.55% | 0.00% |
| Sector / category | Information Technology | Information Technology |
Year-by-year returns
| Year | MPWR | SMCI |
|---|---|---|
| 2022 | -27.8% | +86.8% |
| 2023 | +79.8% | +246.2% |
| 2024 | -5.6% | +7.2% |
| 2025 | +54.5% | -4.0% |
| 2026 | +45.2% | +31.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MPWR and SMCI good diversifiers for each other?
A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between MPWR and SMCI?
As of 2026-08-27, the correlation of weekly returns between MPWR and SMCI is 0.43 over 3 years, 0.19 over 1 year and 0.43 over 5 years.
Is SMCI a good diversifier for MPWR?
A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.43 mean?
A reading of 0.43 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/mpwr-vs-smci.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/mpwr-vs-smci/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: MPWR correlations · SMCI correlations
