IRM vs RQI: Correlation
How closely do Iron Mountain (IRM) and Cohen & Steers Quality Income Realty Fund Inc (RQI) trade together? Their weekly returns over three years give a correlation of 0.59, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are IRM and RQI?
On 3 years of weekly data the IRM/RQI correlation comes out at 0.59, moderate. Recent behaviour matches the longer record: 0.56 over 1 year against 0.59 over 3. The 5-year figure is 0.65, and annualized covariance runs at 395.2 %².
Among the 31 assets we track against IRM, RQI ranks #5 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months IRM outperformed by 29.5 percentage points (+38.1% for IRM against +8.6% for RQI).
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.
IRM vs RQI: side by side
| IRM (Iron Mountain) | RQI (Cohen & Steers Quality Income Realty Fund Inc) | |
|---|---|---|
| 1-year return | +38.1% | +8.6% |
| 5-year return | +219.3% | +16.3% |
| Volatility (ann.) | 30.8% | 21.6% |
| Beta vs S&P 500 | 0.96 | 0.77 |
| Max drawdown (3Y) | -39.0% | -21.0% |
| Market cap | $36.5B | $1.7B |
| P/E (trailing) | 86.4 | 35.2 |
| Dividend yield | 2.78% | 7.74% |
| Sector / category | Real Estate | US Listed |
Year-by-year returns
| Year | IRM | RQI |
|---|---|---|
| 2022 | -0.1% | -31.1% |
| 2023 | +46.5% | +15.7% |
| 2024 | +54.5% | +8.0% |
| 2025 | -18.2% | +2.1% |
| 2026 | +50.1% | +14.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are IRM and RQI good diversifiers for each other?
Somewhat, no more. With 0.59 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between IRM and RQI?
The IRM/RQI correlation stands at 0.59 on a 3-year window (1 year: 0.56, 5 years: 0.65), computed from weekly returns as of 2026-08-27.
Is RQI a good diversifier for IRM?
Somewhat, no more. With 0.59 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.59 mean?
A reading of 0.59 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/irm-vs-rqi.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/irm-vs-rqi/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: IRM correlations · RQI correlations
