PSA vs RQI: Correlation
How closely do Public Storage (PSA) and Cohen & Steers Quality Income Realty Fund Inc (RQI) trade together? Their weekly returns over three years give a correlation of 0.66, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PSA and RQI?
On 3 years of weekly data the PSA/RQI correlation comes out at 0.66, strong. Recent behaviour matches the longer record: 0.61 over 1 year against 0.66 over 3. The 5-year figure is 0.68, and annualized covariance runs at 327.1 %².
Among the 33 assets we track against PSA, RQI ranks #7 by 3-year correlation. Neither side won the trailing year by much: +11.3% against +8.6%.
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.
PSA vs RQI: side by side
| PSA (Public Storage) | RQI (Cohen & Steers Quality Income Realty Fund Inc) | |
|---|---|---|
| 1-year return | +11.3% | +8.6% |
| 5-year return | +20.9% | +16.3% |
| Volatility (ann.) | 23.0% | 21.6% |
| Beta vs S&P 500 | 0.59 | 0.77 |
| Max drawdown (3Y) | -25.6% | -21.0% |
| Market cap | $58.1B | $1.7B |
| P/E (trailing) | 30.3 | 35.2 |
| Dividend yield | 3.78% | 7.74% |
| Sector / category | Real Estate | US Listed |
Year-by-year returns
| Year | PSA | RQI |
|---|---|---|
| 2022 | -20.2% | -31.1% |
| 2023 | +13.6% | +15.7% |
| 2024 | +2.1% | +8.0% |
| 2025 | -9.7% | +2.1% |
| 2026 | +22.3% | +14.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PSA and RQI good diversifiers for each other?
Somewhat, no more. With 0.66 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between PSA and RQI?
Using weekly returns as of 2026-08-27: 0.66 over 3 years, with 0.61 over the last year and 0.68 over 5 years.
Is RQI a good diversifier for PSA?
Somewhat, no more. With 0.66 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.66 mean?
A reading of 0.66 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
$ curl https://www.pairbook.io/api/v1/pairs/psa-vs-rqi.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/psa-vs-rqi/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: PSA correlations · RQI correlations
