ESE vs UI: Correlation
How closely do ESCO Technologies Inc. (ESE) and Ubiquiti Inc. (UI) trade together? Their weekly returns over three years give a correlation of 0.47, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ESE and UI?
On 3 years of weekly data the ESE/UI correlation comes out at 0.47, moderate. Recent behaviour matches the longer record: 0.42 over 1 year against 0.47 over 3. The 5-year figure is 0.44, and annualized covariance runs at 745.3 %².
By 3-year correlation, UI places #6 of the 11 assets tracked against ESE. Their recent paths diverged sharply: over the last 12 months ESE outperformed by 28.3 percentage points (+42.0% for ESE against +13.7% for UI). One caveat on sizing: UI is 1.8 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.
ESE vs UI: side by side
| ESE (ESCO Technologies Inc.) | UI (Ubiquiti Inc.) | |
|---|---|---|
| 1-year return | +42.0% | +13.7% |
| 5-year return | +214.2% | +84.4% |
| Volatility (ann.) | 29.6% | 53.4% |
| Beta vs S&P 500 | 0.79 | 1.36 |
| Max drawdown (3Y) | -22.3% | -51.7% |
| Market cap | $7.3B | $35.9B |
| P/E (trailing) | 52.3 | 37.6 |
| Dividend yield | 0.11% | 0.57% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ESE | UI |
|---|---|---|
| 2022 | -2.3% | -10.0% |
| 2023 | +34.1% | -48.2% |
| 2024 | +14.1% | +141.2% |
| 2025 | +47.0% | +67.7% |
| 2026 | +44.2% | +7.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ESE and UI good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.47 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ESE and UI?
As of 2026-08-27, the correlation of weekly returns between ESE and UI is 0.47 over 3 years, 0.42 over 1 year and 0.44 over 5 years.
Is UI a good diversifier for ESE?
Yes, to a useful degree: a correlation of 0.47 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.47 mean?
A reading of 0.47 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: ESE correlations · UI correlations
