IRM vs RETO: Correlation
Iron Mountain (IRM) and ReTo Eco-Solutions, Inc. - Class A Shares (RETO) show a negative relationship: their 3-year correlation of weekly returns is -0.19.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are IRM and RETO?
Across a 3-year window, the weekly returns of IRM and RETO correlate at -0.19, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.10) sits close to the 3-year figure. Stretching to 5 years gives -0.12, with an annualized covariance of -2334.1 %².
Out of 31 assets tracked against IRM, RETO lands near the bottom at #27. Correlation aside, the last 12 months split them widely, with IRM ahead by 134.4 points (+38.1% versus -96.3%). Note the risk asymmetry: RETO runs 13.0 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.
IRM vs RETO: side by side
| IRM (Iron Mountain) | RETO (ReTo Eco-Solutions, Inc. - Class A Shares) | |
|---|---|---|
| 1-year return | +38.1% | -96.3% |
| 5-year return | +219.3% | -100.0% |
| Volatility (ann.) | 30.8% | 399.9% |
| Beta vs S&P 500 | 0.96 | -2.83 |
| Max drawdown (3Y) | -39.0% | -99.5% |
| Market cap | $36.5B | – |
| P/E (trailing) | 86.4 | – |
| Dividend yield | 2.78% | 0.00% |
| Sector / category | Real Estate | US Listed |
Year-by-year returns
| Year | IRM | RETO |
|---|---|---|
| 2022 | -0.1% | -75.9% |
| 2023 | +46.5% | -99.1% |
| 2024 | +54.5% | -74.9% |
| 2025 | -18.2% | -57.1% |
| 2026 | +50.1% | -81.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are IRM and RETO good diversifiers for each other?
Yes: at -0.19, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between IRM and RETO?
The IRM/RETO correlation stands at -0.19 on a 3-year window (1 year: -0.10, 5 years: -0.12), computed from weekly returns as of 2026-08-27.
Is RETO a good diversifier for IRM?
Yes: at -0.19, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.19 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/irm-vs-reto.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/irm-vs-reto/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: IRM correlations · RETO correlations
