DLR vs. IRM
DLR (Digital Realty Trust, Inc.) and IRM (Iron Mountain Incorporated) are both stocks. Both operate in the REIT - Specialty industry within the Real Estate sector. Over the past 10 years, DLR returned 9.89%/yr vs 19.08%/yr for IRM. At a 0.43 correlation, their price movements are largely independent.
Performance
DLR vs. IRM - Performance Comparison
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Returns By Period
In the year-to-date period, DLR achieves a 19.87% return, which is significantly lower than IRM's 54.64% return. Over the past 10 years, DLR has underperformed IRM with an annualized return of 9.89%, while IRM has yielded a comparatively higher 19.08% annualized return.
DLR
- 1D
- 0.74%
- 1M
- -4.71%
- YTD
- 19.87%
- 6M
- 21.68%
- 1Y
- 7.39%
- 3Y*
- 24.63%
- 5Y*
- 6.15%
- 10Y*
- 9.89%
IRM
- 1D
- 1.65%
- 1M
- 0.89%
- YTD
- 54.64%
- 6M
- 55.51%
- 1Y
- 28.47%
- 3Y*
- 35.74%
- 5Y*
- 27.45%
- 10Y*
- 19.08%
DLR vs. IRM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
DLR Digital Realty Trust, Inc. | 19.87% | -10.07% | 35.90% | 39.95% | -41.00% | 30.66% | 20.37% | 16.52% | -3.00% | 19.80% |
IRM Iron Mountain Incorporated | 54.64% | -18.24% | 54.48% | 46.52% | -0.08% | 87.74% | 0.98% | 5.87% | -7.97% | 23.56% |
Correlation
The correlation between DLR and IRM is 0.68, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.68 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.61 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.61 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.53 |
Correlation (All Time) Calculated using the full available price history since Oct 29, 2004 | 0.43 |
Over the past year, DLR and IRM have become more correlated (0.68) than their long-term average of 0.43, meaning their price movements have been converging.
Fundamentals
DLR:
$4.53
IRM:
$0.91
DLR:
40.63
IRM:
139.08
DLR:
9.48
IRM:
5.23
DLR:
$5.09B
IRM:
$7.25B
DLR:
$1.67B
IRM:
$2.94B
DLR:
$3.18B
IRM:
$2.40B
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Return for Risk
DLR vs. IRM — Risk / Return Rank
DLR
IRM
DLR vs. IRM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Digital Realty Trust, Inc. (DLR) and Iron Mountain Incorporated (IRM). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| DLR | IRM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.57 | ||
| Sortino ratioReturn per unit of downside risk | -0.78 | ||
| Omega ratioGain probability vs. loss probability | 1.07 | 1.18 | -0.10 |
| Calmar ratioReturn relative to maximum drawdown | 0.44 | 1.14 | -0.70 |
| Martin ratioReturn relative to average drawdown | 1.09 | 2.73 | -1.64 |
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Drawdowns
DLR vs. IRM - Drawdown Comparison
The maximum DLR drawdown since its inception was -56.80%, roughly equal to the maximum IRM drawdown of -55.71%. Use the drawdown chart below to compare losses from any high point for DLR and IRM.
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Drawdown Indicators
| DLR | IRM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -56.80% | -55.71% | -1.09% |
Max Drawdown (1Y)Largest decline over 1 year | -16.83% | -25.15% | +8.32% |
Max Drawdown (3Y)Largest decline over 3 years | -29.40% | -39.03% | +9.63% |
Max Drawdown (5Y)Largest decline over 5 years | -48.52% | -39.03% | -9.49% |
Max Drawdown (10Y)Largest decline over 10 years | -48.52% | -39.03% | -9.49% |
Current DrawdownCurrent decline from peak | -9.67% | -3.65% | -6.02% |
Average DrawdownAverage peak-to-trough decline | -11.13% | -13.16% | +2.03% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.82% | 10.47% | -3.65% |
Volatility
DLR vs. IRM - Volatility Comparison
Digital Realty Trust, Inc. (DLR) and Iron Mountain Incorporated (IRM) have volatilities of 7.62% and 7.91%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| DLR | IRM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.62% | 7.91% | -0.29% |
Volatility (6M)Calculated over the trailing 6-month period | 16.30% | 24.13% | -7.83% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.76% | 32.04% | -9.28% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 28.58% | 29.68% | -1.10% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 28.19% | 29.64% | -1.45% |
Dividends
DLR vs. IRM - Dividend Comparison
DLR's dividend yield for the trailing twelve months is around 2.65%, more than IRM's 2.59% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
DLR Digital Realty Trust, Inc. | 2.65% | 3.15% | 2.75% | 3.63% | 4.87% | 2.62% | 3.21% | 3.61% | 3.79% | 3.27% | 3.58% | 4.50% |
IRM Iron Mountain Incorporated | 2.59% | 3.88% | 2.60% | 3.63% | 4.96% | 4.73% | 8.39% | 7.69% | 7.32% | 5.93% | 6.17% | 7.07% |
Financials
DLR vs. IRM - Financials Comparison
This section allows you to compare key financial metrics between Digital Realty Trust, Inc. and Iron Mountain Incorporated. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
DLR vs. IRM - Profitability Comparison
DLR - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Digital Realty Trust, Inc. reported a gross profit of 0.00 and revenue of 303.36M. Therefore, the gross margin over that period was 0.0%.
IRM - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Iron Mountain Incorporated reported a gross profit of 0.00 and revenue of 1.94B. Therefore, the gross margin over that period was 0.0%.
DLR - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Digital Realty Trust, Inc. reported an operating income of 195.64M and revenue of 303.36M, resulting in an operating margin of 64.5%.
IRM - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Iron Mountain Incorporated reported an operating income of 395.23M and revenue of 1.94B, resulting in an operating margin of 20.4%.
DLR - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Digital Realty Trust, Inc. reported a net income of -12.46M and revenue of 303.36M, resulting in a net margin of -4.1%.
IRM - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Iron Mountain Incorporated reported a net income of 143.67M and revenue of 1.94B, resulting in a net margin of 7.4%.
Frequently Asked Questions
DLR and IRM have a correlation of 0.68, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IRM has higher volatility (7.91%) compared to DLR (7.62%). In terms of maximum drawdown, DLR dropped -56.80% vs IRM's -55.71%.
IRM currently has the higher Sharpe Ratio (0.89 vs 0.33), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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