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ESS vs IRT: Correlation

Essex Property Trust (ESS) and Independence Realty Trust, Inc. (IRT) show a strong relationship: their 3-year correlation of weekly returns is 0.78.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.78
strong
Correlation (1Y)
0.74
last 12 months
Correlation (5Y)
0.76
long-run
Ann. covariance
432.1
%² · weekly, annualized

How correlated are ESS and IRT?

Across a 3-year window, the weekly returns of ESS and IRT correlate at 0.78, strong. Recent behaviour matches the longer record: 0.74 over 1 year against 0.78 over 3. Stretching to 5 years gives 0.76, with an annualized covariance of 432.1 %².

Within ESS's tracked universe of 31 assets, IRT comes in at #5 by 3-year correlation. On 12-month performance ESS holds a 12.6-point edge, +9.1% against -3.5%.

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 IRT: side by side

ESS (Essex Property Trust)IRT (Independence Realty Trust, Inc.)
1-year return+9.1%-3.5%
5-year return+3.0%-4.5%
Volatility (ann.)22.2%24.8%
Beta vs S&P 5000.640.74
Max drawdown (3Y)-20.8%-29.0%
Market cap$19.4B$4.0B
P/E (trailing)44.891.1
Dividend yield3.58%4.15%
Sector / categoryReal EstateUS Listed
Lower P/E: ESS 44.8 vs 91.1Higher yield: IRT 4.15% vs 3.58%Smaller drawdown: ESS -20.8% vs -29.0%Higher 5y return: ESS +3.0% vs -4.5%
-16%0%+16%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). ESS · IRT

Year-by-year returns

YearESSIRT
2022-37.8%-32.3%
2023+22.0%-5.6%
2024+18.4%+34.3%
2025-5.0%-8.5%
2026+10.5%-4.1%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are ESS and IRT good diversifiers for each other?

Only partially. A correlation of 0.78 means ESS and IRT share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

FAQ

What is the correlation between ESS and IRT?

Using weekly returns as of 2026-08-27: 0.78 over 3 years, with 0.74 over the last year and 0.76 over 5 years.

Is IRT a good diversifier for ESS?

Only partially. A correlation of 0.78 means ESS and IRT share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.78 mean?

A reading of 0.78 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/ess-vs-irt.json

ESS vs IRT: 3-year weekly correlation 0.78ESS vs IRT0.78

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Related comparisons

Hubs: ESS correlations · IRT correlations