PRTS vs UI: Correlation
Measured on weekly returns over the past three years, CarParts.com, Inc. (PRTS) and Ubiquiti Inc. (UI) carry a correlation of 0.35, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PRTS and UI?
On 3 years of weekly data the PRTS/UI correlation comes out at 0.35, moderate. The past 12 months show a tighter link (0.46) than the 3-year average (0.35). The 5-year figure is 0.27, and annualized covariance runs at 1343.9 %².
In PRTS's tracked universe of 10 assets, UI sits right near the top at #2. The last year tells two different stories: UI led by 22.9 percentage points, -9.2% for PRTS against +13.7% for UI.
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.
PRTS vs UI: side by side
| PRTS (CarParts.com, Inc.) | UI (Ubiquiti Inc.) | |
|---|---|---|
| 1-year return | -9.2% | +13.7% |
| 5-year return | -95.9% | +84.4% |
| Volatility (ann.) | 72.4% | 53.4% |
| Beta vs S&P 500 | 0.44 | 1.36 |
| Max drawdown (3Y) | -92.1% | -51.7% |
| Market cap | $0.1B | $35.9B |
| P/E (trailing) | – | 37.6 |
| Dividend yield | 0.00% | 0.57% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PRTS | UI |
|---|---|---|
| 2022 | -44.1% | -10.0% |
| 2023 | -49.5% | -48.2% |
| 2024 | -65.8% | +141.2% |
| 2025 | -53.7% | +67.7% |
| 2026 | +43.4% | +7.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PRTS and UI good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.35 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between PRTS and UI?
As of 2026-08-27, the correlation of weekly returns between PRTS and UI is 0.35 over 3 years, 0.46 over 1 year and 0.27 over 5 years.
Is UI a good diversifier for PRTS?
Yes, to a useful degree: a correlation of 0.35 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.35 mean?
A reading of 0.35 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/prts-vs-ui.json
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Related comparisons
Hubs: PRTS correlations · UI correlations
