MPWR vs PLAG: Correlation
Measured on weekly returns over the past three years, Monolithic Power Systems (MPWR) and Planet Green Holdings Corp. (PLAG) carry a correlation of -0.20, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MPWR and PLAG?
On 3 years of weekly data the MPWR/PLAG correlation comes out at -0.20, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (0.04) runs above the 3-year figure (-0.20). The 5-year figure is -0.10, and annualized covariance runs at -1552.4 %².
By 3-year correlation, PLAG places #34 of the 41 assets tracked against MPWR. Their recent paths diverged sharply: over the last 12 months MPWR outperformed by 111.5 percentage points (+52.4% for MPWR against -59.1% for PLAG). Risk is not evenly split, since PLAG carries 3.3 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 PLAG: side by side
| MPWR (Monolithic Power Systems) | PLAG (Planet Green Holdings Corp.) | |
|---|---|---|
| 1-year return | +52.4% | -59.1% |
| 5-year return | +170.3% | -94.2% |
| Volatility (ann.) | 48.1% | 160.4% |
| Beta vs S&P 500 | 2.22 | -0.67 |
| Max drawdown (3Y) | -51.6% | -93.8% |
| Market cap | $64.4B | – |
| P/E (trailing) | 79.4 | – |
| Dividend yield | 0.55% | 0.00% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | MPWR | PLAG |
|---|---|---|
| 2022 | -27.8% | -39.2% |
| 2023 | +79.8% | -21.0% |
| 2024 | -5.6% | -46.9% |
| 2025 | +54.5% | -15.8% |
| 2026 | +45.2% | -67.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MPWR and PLAG good diversifiers for each other?
Yes. With a correlation of -0.20, MPWR and PLAG have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between MPWR and PLAG?
The MPWR/PLAG correlation stands at -0.20 on a 3-year window (1 year: 0.04, 5 years: -0.10), computed from weekly returns as of 2026-08-27.
Is PLAG a good diversifier for MPWR?
Yes. With a correlation of -0.20, MPWR and PLAG have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.20 mean?
A reading of -0.20 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-plag.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/mpwr-vs-plag/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: MPWR correlations · PLAG correlations
