IRM vs. BSV

Last updated Jun 4, 2026

IRM (Iron Mountain Incorporated) is a stock, while BSV (Vanguard Short-Term Bond Index Fund ETF Shares) is Short-Term Bond fund tracking the Bloomberg U.S. 1–5 Year Government/Credit Float Adjusted Index. Over the past 10 years, IRM returned 19.57%/yr vs 1.95%/yr for BSV. At a 0.02 correlation, their price movements are largely independent.

Performance

IRM vs. BSV - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Iron Mountain Incorporated (IRM) and Vanguard Short-Term Bond Index Fund ETF Shares (BSV). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IRM achieves a 55.51% return, which is significantly higher than BSV's 0.29% return. Over the past 10 years, IRM has outperformed BSV with an annualized return of 19.57%, while BSV has yielded a comparatively lower 1.95% annualized return.

IRM

• 1D: -0.40%
• 1M: -0.21%
• YTD: 55.51%
• 6M: 54.66%
• 1Y: 32.49%
• 3Y*: 36.93%
• 5Y*: 27.93%
• 10Y*: 19.57%

BSV

• 1D: -0.08%
• 1M: 0.06%
• YTD: 0.29%
• 6M: 0.52%
• 1Y: 3.68%
• 3Y*: 4.41%
• 5Y*: 1.62%
• 10Y*: 1.95%

*Multi-year figures are annualized to reflect compound growth (CAGR)

IRM vs. BSV - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IRM Iron Mountain Incorporated	55.51%	-18.24%	54.48%	46.52%	-0.08%	87.74%	0.98%	5.87%	-7.97%	23.56%
BSV Vanguard Short-Term Bond Index Fund ETF Shares	0.29%	6.00%	3.78%	4.90%	-5.49%	-1.09%	4.70%	4.98%	1.34%	1.20%

Correlation

The correlation between IRM and BSV is 0.26, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.26
Correlation (3Y) Calculated over the trailing 3-year period	0.22
Correlation (5Y) Calculated over the trailing 5-year period	0.21
Correlation (10Y) Calculated over the trailing 10-year period	0.16
Correlation (All Time) Calculated using the full available price history since Apr 11, 2007	0.02

Over the past year, IRM and BSV have become more correlated (0.26) than their long-term average of 0.02, meaning their price movements have been converging.

Return for Risk

IRM vs. BSV — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

IRM

IRM Risk / Return Rank: 67
IRM Sharpe Ratio Rank: 72
IRM Sortino Ratio Rank: 66
IRM Omega Ratio Rank: 65
IRM Calmar Ratio Rank: 66
IRM Martin Ratio Rank: 66

BSV

BSV Risk / Return Rank: 61
BSV Sharpe Ratio Rank: 59
BSV Sortino Ratio Rank: 71
BSV Omega Ratio Rank: 63
BSV Calmar Ratio Rank: 57
BSV Martin Ratio Rank: 57

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

IRM vs. BSV - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Iron Mountain Incorporated (IRM) and Vanguard Short-Term Bond Index Fund ETF Shares (BSV). 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.

	IRM	BSV	Difference
Sharpe ratio: Return per unit of total volatility	1.04	2.05	-1.01
Sortino ratio: Return per unit of downside risk	1.59	3.29	-1.70
Omega ratio: Gain probability vs. loss probability	1.20	1.39	-0.19
Calmar ratio: Return relative to maximum drawdown	1.30	2.87	-1.57
Martin ratio: Return relative to average drawdown	3.12	10.07	-6.95
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IRM vs. BSV - Sharpe Ratio Comparison

The current IRM Sharpe Ratio is 1.04, which is lower than the BSV Sharpe Ratio of 2.05. The chart below compares the historical Sharpe Ratios of IRM and BSV, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	IRM	BSV	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.04	2.05	-1.01
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.95	0.60	+0.35
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.66	0.83	-0.16
Sharpe Ratio (All Time) Calculated using the full available price history	0.50	0.85	-0.35

Drawdowns

IRM vs. BSV - Drawdown Comparison

The maximum IRM drawdown since its inception was -55.71%, which is greater than BSV's maximum drawdown of -8.54%. Use the drawdown chart below to compare losses from any high point for IRM and BSV.

Drawdown Indicators

	IRM	BSV	Difference
Max Drawdown Largest peak-to-trough decline	-55.71%	-8.54%	-47.17%
Max Drawdown (1Y) Largest decline over 1 year	-25.15%	-1.29%	-23.86%
Max Drawdown (3Y) Largest decline over 3 years	-39.03%	-1.53%	-37.50%
Max Drawdown (5Y) Largest decline over 5 years	-39.03%	-8.54%	-30.49%
Max Drawdown (10Y) Largest decline over 10 years	-39.03%	-8.54%	-30.49%
Current Drawdown Current decline from peak	-3.11%	-0.63%	-2.48%
Average Drawdown Average peak-to-trough decline	-13.17%	-0.97%	-12.20%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.43%	0.37%	+10.06%

Volatility

IRM vs. BSV - Volatility Comparison

Iron Mountain Incorporated (IRM) has a higher volatility of 7.78% compared to Vanguard Short-Term Bond Index Fund ETF Shares (BSV) at 0.52%. This indicates that IRM's price experiences larger fluctuations and is considered to be riskier than BSV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IRM	BSV	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.78%	0.52%	+7.26%
Volatility (6M) Calculated over the trailing 6-month period	23.40%	1.26%	+22.14%
Volatility (1Y) Calculated over the trailing 1-year period	31.50%	1.81%	+29.69%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	29.59%	2.72%	+26.87%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.59%	2.37%	+27.22%

Dividends

IRM vs. BSV - Dividend Comparison

IRM's dividend yield for the trailing twelve months is around 2.58%, less than BSV's 4.00% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BSV Vanguard Short-Term Bond Index Fund ETF Shares	4.00%	3.83%	3.38%	2.46%	1.50%	1.45%	1.79%	2.29%	1.99%	1.65%	1.48%	1.40%
IRM Iron Mountain Incorporated	2.58%	3.88%	2.60%	3.63%	4.96%	4.73%	8.39%	7.69%	7.32%	5.93%	6.17%	7.07%

Frequently Asked Questions

Can I hold both IRM and BSV in my portfolio?

IRM and BSV have a correlation of 0.26, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IRM or BSV?

IRM has higher volatility (7.78%) compared to BSV (0.52%). In terms of maximum drawdown, IRM dropped -55.71% vs BSV's -8.54%.

Which has better risk-adjusted returns?

BSV currently has the higher Sharpe Ratio (2.05 vs 1.04), 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.