MPWR vs VTI: Correlation
Measured on weekly returns over the past three years, Monolithic Power Systems (MPWR) and Vanguard Total Stock Market ETF (VTI) carry a correlation of 0.66, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MPWR and VTI?
Across a 3-year window, the weekly returns of MPWR and VTI correlate at 0.66, strong. The relationship has been stable: the 1-year correlation (0.57) sits close to the 3-year figure. Stretching to 5 years gives 0.64, with an annualized covariance of 467.0 %².
By 3-year correlation, VTI places #14 of the 41 assets tracked against MPWR. Correlation aside, the last 12 months split them widely, with MPWR ahead by 31.7 points (+52.4% versus +20.7%). The rolling one-year correlation moved between 0.51 and 0.80 over the past three years, a moderate range. Note the risk asymmetry: MPWR runs 3.3 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.
MPWR vs VTI: side by side
| MPWR (Monolithic Power Systems) | VTI (Vanguard Total Stock Market ETF) | |
|---|---|---|
| 1-year return | +52.4% | +20.7% |
| 5-year return | +170.3% | +74.8% |
| Volatility (ann.) | 48.1% | 14.6% |
| Beta vs S&P 500 | 2.22 | 1.01 |
| Max drawdown (3Y) | -51.6% | -19.3% |
| Market cap | $64.4B | – |
| P/E (trailing) | 79.4 | – |
| Dividend yield | 0.55% | 1.06% |
| Expense ratio | – | 0.03% |
| Assets under management | – | $2,290.0B |
| Sector / category | Information Technology | ETF · US Large Cap |
VTI, Vanguard's Large Blend fund, carries $2,290.0B under management, 3140 holdings, a 0.03% expense ratio, a 1.06% trailing dividend yield.
Year-by-year returns
| Year | MPWR | VTI |
|---|---|---|
| 2022 | -27.8% | -19.5% |
| 2023 | +79.8% | +26.0% |
| 2024 | -5.6% | +23.8% |
| 2025 | +54.5% | +17.1% |
| 2026 | +45.2% | +14.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
Keep in mind that VTI holds MPWR at a 0.09% weight, which makes a slice of this correlation mechanical rather than coincidental.
Are MPWR and VTI good diversifiers for each other?
To a limited degree. At 0.66 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 MPWR and VTI?
As of 2026-08-27, the correlation of weekly returns between MPWR and VTI is 0.66 over 3 years, 0.57 over 1 year and 0.64 over 5 years.
Is VTI a good diversifier for MPWR?
To a limited degree. At 0.66 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 0.66 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/mpwr-vs-vti.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/mpwr-vs-vti/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: MPWR correlations · VTI correlations
