ESS vs VMRK: Correlation
How closely do Essex Property Trust (ESS) and Vivmark Residential (VMRK) trade together? Their weekly returns over three years give a correlation of 0.88, which is very strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ESS and VMRK?
Over the past 3 years, ESS and VMRK moved with a correlation of 0.88, which is very strong, meaning they move nearly in lockstep. The relationship has been stable: the 1-year correlation (0.84) sits close to the 3-year figure. Over 5 years the correlation is 0.88, and the annualized covariance of weekly returns is 387.0 %².
In ESS's tracked universe of 31 assets, VMRK sits right near the top at #2. Their 12-month results are close: +9.1% for ESS against +5.1% for VMRK. The link looks structural: the rolling one-year correlation barely moved, holding between 0.82 and 0.94.
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.
ESS vs VMRK: side by side
| ESS (Essex Property Trust) | VMRK (Vivmark Residential) | |
|---|---|---|
| 1-year return | +9.1% | +5.1% |
| 5-year return | +3.0% | -5.5% |
| Volatility (ann.) | 22.2% | 19.7% |
| Beta vs S&P 500 | 0.64 | 0.57 |
| Max drawdown (3Y) | -20.8% | -21.2% |
| Market cap | $19.4B | $26.1B |
| P/E (trailing) | 44.8 | 25.7 |
| Dividend yield | 3.58% | 0.00% |
| Sector / category | Real Estate | Real Estate |
Year-by-year returns
| Year | ESS | VMRK |
|---|---|---|
| 2022 | -37.8% | -32.5% |
| 2023 | +22.0% | +8.3% |
| 2024 | +18.4% | +20.8% |
| 2025 | -5.0% | -8.6% |
| 2026 | +10.5% | +7.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ESS and VMRK good diversifiers for each other?
Not really. At 0.88, the two trade almost as one position, and owning both buys little extra protection.
FAQ
What is the correlation between ESS and VMRK?
The ESS/VMRK correlation stands at 0.88 on a 3-year window (1 year: 0.84, 5 years: 0.88), computed from weekly returns as of 2026-08-27.
Is VMRK a good diversifier for ESS?
Not really. At 0.88, the two trade almost as one position, and owning both buys little extra protection.
What does a correlation of 0.88 mean?
On the −1 to +1 scale, 0.88 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ess-vs-vmrk.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ess-vs-vmrk/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ESS correlations · VMRK correlations
