BRT vs ESS: Correlation
How closely do BRT Apartments Corp. (MD) (BRT) and Essex Property Trust (ESS) trade together? Their weekly returns over three years give a correlation of 0.64, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BRT and ESS?
Across a 3-year window, the weekly returns of BRT and ESS correlate at 0.64, strong. Recent behaviour matches the longer record: 0.54 over 1 year against 0.64 over 3. Stretching to 5 years gives 0.54, with an annualized covariance of 343.2 %².
Within BRT's tracked universe of 14 assets, ESS comes in at #6 by 3-year correlation. On 12-month performance ESS holds a 12.3-point edge, -3.2% against +9.1%.
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.
BRT vs ESS: side by side
| BRT (BRT Apartments Corp. (MD)) | ESS (Essex Property Trust) | |
|---|---|---|
| 1-year return | -3.2% | +9.1% |
| 5-year return | -1.1% | +3.0% |
| Volatility (ann.) | 24.0% | 22.2% |
| Beta vs S&P 500 | 0.68 | 0.64 |
| Max drawdown (3Y) | -27.6% | -20.8% |
| Market cap | $0.3B | $19.4B |
| P/E (trailing) | – | 44.8 |
| Dividend yield | 5.48% | 3.58% |
| Sector / category | US Listed | Real Estate |
Year-by-year returns
| Year | BRT | ESS |
|---|---|---|
| 2022 | -14.4% | -37.8% |
| 2023 | -0.0% | +22.0% |
| 2024 | +2.7% | +18.4% |
| 2025 | -13.3% | -5.0% |
| 2026 | +1.1% | +10.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BRT and ESS good diversifiers for each other?
To a limited degree. At 0.64 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 BRT and ESS?
The BRT/ESS correlation stands at 0.64 on a 3-year window (1 year: 0.54, 5 years: 0.54), computed from weekly returns as of 2026-08-27.
Is ESS a good diversifier for BRT?
To a limited degree. At 0.64 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 0.64 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/brt-vs-ess.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/brt-vs-ess/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BRT correlations · ESS correlations
