PSIX vs UI: Correlation
Measured on weekly returns over the past three years, Power Solutions International, Inc. (PSIX) and Ubiquiti Inc. (UI) carry a correlation of 0.44, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PSIX and UI?
On 3 years of weekly data the PSIX/UI correlation comes out at 0.44, moderate. Little has changed lately, as the 1-year reading of 0.52 lands near the 3-year figure. The 5-year figure is 0.31, and annualized covariance runs at 2465.4 %².
UI is one of the assets that tracks PSIX most closely: it ranks #1 out of the 12 assets we track against PSIX. Correlation aside, the last 12 months split them widely, with UI ahead by 67.3 points (-53.6% versus +13.7%). One caveat on sizing: PSIX is 2.0 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
PSIX vs UI: side by side
| PSIX (Power Solutions International, Inc.) | UI (Ubiquiti Inc.) | |
|---|---|---|
| 1-year return | -53.6% | +13.7% |
| 5-year return | +670.8% | +84.4% |
| Volatility (ann.) | 104.2% | 53.4% |
| Beta vs S&P 500 | 2.68 | 1.36 |
| Max drawdown (3Y) | -78.0% | -51.7% |
| Market cap | $0.9B | $35.9B |
| P/E (trailing) | 12.4 | 37.6 |
| Dividend yield | 0.00% | 0.57% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PSIX | UI |
|---|---|---|
| 2022 | +0.0% | -10.0% |
| 2023 | -31.7% | -48.2% |
| 2024 | +1351.2% | +141.2% |
| 2025 | +92.1% | +67.7% |
| 2026 | -33.9% | +7.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PSIX and UI good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between PSIX and UI?
As of 2026-08-27, the correlation of weekly returns between PSIX and UI is 0.44 over 3 years, 0.52 over 1 year and 0.31 over 5 years.
Is UI a good diversifier for PSIX?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.44 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/psix-vs-ui.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/psix-vs-ui/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: PSIX correlations · UI correlations
