PairBook
HomeARR › ARR vs SPY

ARR vs SPY: Correlation

ARMOUR Residential REIT, Inc. (ARR) and SPDR S&P 500 ETF Trust (SPY) show a moderate relationship: their 3-year correlation of weekly returns is 0.46.

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

Correlation (3Y)
0.46
moderate
Correlation (1Y)
0.26
last 12 months
Correlation (5Y)
0.54
long-run
Ann. covariance
193.4
%² · weekly, annualized

How correlated are ARR and SPY?

Over the past 3 years, ARR and SPY moved with a correlation of 0.46, which is moderate. The past 12 months show a weaker link (0.26) than the 3-year average (0.46). Over 5 years the correlation is 0.54, and the annualized covariance of weekly returns is 193.4 %².

Within ARR's tracked universe of 13 assets, SPY comes in at #7 by 3-year correlation. The trailing year gives ARR the advantage: +29.0% versus +20.6%, a 8.4-point spread. Note the risk asymmetry: ARR runs 2.0 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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.

ARR vs SPY: side by side

ARR (ARMOUR Residential REIT, Inc.)SPY (SPDR S&P 500 ETF Trust)
1-year return+29.0%+20.6%
5-year return-29.0%+82.4%
Volatility (ann.)29.0%14.5%
Beta vs S&P 5000.931.00
Max drawdown (3Y)-44.3%-18.8%
Market cap$2.3B
P/E (trailing)3.7
Dividend yield17.76%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: ARR 17.76% vs 1.01%Smaller drawdown: SPY -18.8% vs -44.3%Higher 5y return: SPY +82.4% vs -29.0%

SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.

-6%0%+30%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. ARR · SPY

Year-by-year returns

YearARRSPY
2022-32.0%-18.2%
2023-15.4%+26.2%
2024+13.2%+24.9%
2025+11.7%+17.7%
2026+3.6%+13.7%

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

Are ARR and SPY good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.46 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between ARR and SPY?

The ARR/SPY correlation stands at 0.46 on a 3-year window (1 year: 0.26, 5 years: 0.54), computed from weekly returns as of 2026-08-27.

Is SPY a good diversifier for ARR?

Yes, to a useful degree: a correlation of 0.46 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.46 mean?

A reading of 0.46 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/arr-vs-spy.json

ARR vs SPY: 3-year weekly correlation 0.46ARR vs SPY0.46

Embed this badge (it refreshes with the data), with attribution:

[![ARR vs SPY correlation](https://www.pairbook.io/api/v1/badge/arr-vs-spy.svg)](https://www.pairbook.io/pair/arr-vs-spy/)

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: ARR correlations · SPY correlations