ESE vs RBC: Correlation
ESCO Technologies Inc. (ESE) and RBC Bearings Incorporated (RBC) show a moderate relationship: their 3-year correlation of weekly returns is 0.59.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ESE and RBC?
On 3 years of weekly data the ESE/RBC correlation comes out at 0.59, moderate. Recent behaviour matches the longer record: 0.58 over 1 year against 0.59 over 3. The 5-year figure is 0.58, and annualized covariance runs at 458.9 %².
In ESE's tracked universe of 11 assets, RBC sits right near the top at #1. Over the last 12 months ESE came out ahead by 14.6 percentage points (+42.0% against +27.4%).
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 RBC: side by side
| ESE (ESCO Technologies Inc.) | RBC (RBC Bearings Incorporated) | |
|---|---|---|
| 1-year return | +42.0% | +27.4% |
| 5-year return | +214.2% | +128.1% |
| Volatility (ann.) | 29.6% | 26.5% |
| Beta vs S&P 500 | 0.79 | 0.87 |
| Max drawdown (3Y) | -22.3% | -23.6% |
| Market cap | $7.3B | $16.1B |
| P/E (trailing) | 52.3 | 50.7 |
| Dividend yield | 0.11% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ESE | RBC |
|---|---|---|
| 2022 | -2.3% | +4.2% |
| 2023 | +34.1% | +36.1% |
| 2024 | +14.1% | +5.0% |
| 2025 | +47.0% | +49.9% |
| 2026 | +44.2% | +13.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ESE and RBC good diversifiers for each other?
To a limited degree. At 0.59 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 ESE and RBC?
Using weekly returns as of 2026-08-27: 0.59 over 3 years, with 0.58 over the last year and 0.58 over 5 years.
Is RBC a good diversifier for ESE?
To a limited degree. At 0.59 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 0.59 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/ese-vs-rbc.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ese-vs-rbc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ESE correlations · RBC correlations
