UDR vs. REZ

Last updated Jun 3, 2026

UDR (UDR, Inc.) is a stock, while REZ (iShares Residential Real Estate ETF) is REIT fund tracking the FTSE NAREIT All Residential Capped Index. Over the past 10 years, UDR returned 4.50%/yr vs 6.31%/yr for REZ. Their correlation of 0.85 suggests significant overlap in exposure.

Performance

UDR vs. REZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in UDR, Inc. (UDR) and iShares Residential Real Estate ETF (REZ). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, UDR achieves a 2.90% return, which is significantly lower than REZ's 6.35% return. Over the past 10 years, UDR has underperformed REZ with an annualized return of 4.50%, while REZ has yielded a comparatively higher 6.31% annualized return.

UDR

• 1D: 0.66%
• 1M: 1.24%
• YTD: 2.90%
• 6M: 4.00%
• 1Y: -6.78%
• 3Y*: 0.69%
• 5Y*: -1.78%
• 10Y*: 4.50%

REZ

• 1D: -0.02%
• 1M: -2.49%
• YTD: 6.35%
• 6M: 2.61%
• 1Y: 7.40%
• 3Y*: 9.73%
• 5Y*: 3.85%
• 10Y*: 6.31%

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

UDR vs. REZ - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
UDR UDR, Inc.	2.90%	-11.75%	18.29%	3.12%	-33.44%	61.12%	-14.54%	21.48%	6.40%	9.11%
REZ iShares Residential Real Estate ETF	6.35%	4.80%	12.73%	10.97%	-28.31%	47.86%	-6.62%	24.49%	3.89%	3.87%

Correlation

The correlation between UDR and REZ is 0.73, 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	0.73
Correlation (3Y) Calculated over the trailing 3-year period	0.82
Correlation (5Y) Calculated over the trailing 5-year period	0.86
Correlation (10Y) Calculated over the trailing 10-year period	0.86
Correlation (All Time) Calculated using the full available price history since May 7, 2007	0.85

The correlation between UDR and REZ shifts across timeframes, from 0.73 (1 year) to 0.86 (10 years), reflecting how their relationship changes across market environments.

Return for Risk

UDR vs. REZ — Risk / Return Rank

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

UDR

UDR Risk / Return Rank: 25
UDR Sharpe Ratio Rank: 25
UDR Sortino Ratio Rank: 21
UDR Omega Ratio Rank: 22
UDR Calmar Ratio Rank: 28
UDR Martin Ratio Rank: 28

REZ

REZ Risk / Return Rank: 18
REZ Sharpe Ratio Rank: 17
REZ Sortino Ratio Rank: 16
REZ Omega Ratio Rank: 16
REZ Calmar Ratio Rank: 20
REZ Martin Ratio Rank: 21

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.

UDR vs. REZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for UDR, Inc. (UDR) and iShares Residential Real Estate ETF (REZ). 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.

	UDR	REZ	Difference
Sharpe ratio Return per unit of total volatility	-0.35	0.52	-0.87
Sortino ratio Return per unit of downside risk	-0.37	0.79	-1.16
Omega ratio Gain probability vs. loss probability	0.96	1.10	-0.14
Calmar ratio Return relative to maximum drawdown	-0.38	0.87	-1.25
Martin ratio Return relative to average drawdown	-0.68	2.67	-3.34
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

UDR vs. REZ - Sharpe Ratio Comparison

The current UDR Sharpe Ratio is -0.35, which is lower than the REZ Sharpe Ratio of 0.52. The chart below compares the historical Sharpe Ratios of UDR and REZ, 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

	UDR	REZ	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.35	0.52	-0.87
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.08	0.20	-0.28
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.18	0.29	-0.12
Sharpe Ratio (All Time) Calculated using the full available price history	0.35	0.24	+0.12

Drawdowns

UDR vs. REZ - Drawdown Comparison

The maximum UDR drawdown since its inception was -74.67%, which is greater than REZ's maximum drawdown of -66.87%. Use the drawdown chart below to compare losses from any high point for UDR and REZ.

Drawdown Indicators

	UDR	REZ	Difference
Max Drawdown Largest peak-to-trough decline	-74.67%	-66.87%	-7.80%
Max Drawdown (1Y) Largest decline over 1 year	-18.18%	-8.76%	-9.42%
Max Drawdown (3Y) Largest decline over 3 years	-26.80%	-18.39%	-8.41%
Max Drawdown (5Y) Largest decline over 5 years	-44.44%	-35.05%	-9.39%
Max Drawdown (10Y) Largest decline over 10 years	-44.44%	-44.15%	-0.29%
Current Drawdown Current decline from peak	-27.25%	-4.66%	-22.59%
Average Drawdown Average peak-to-trough decline	-11.90%	-12.69%	+0.79%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.09%	2.86%	+7.23%

Volatility

UDR vs. REZ - Volatility Comparison

UDR, Inc. (UDR) and iShares Residential Real Estate ETF (REZ) have volatilities of 4.50% and 4.37%, 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.

Volatility by Period

	UDR	REZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.50%	4.37%	+0.13%
Volatility (6M) Calculated over the trailing 6-month period	14.61%	10.71%	+3.90%
Volatility (1Y) Calculated over the trailing 1-year period	19.37%	14.32%	+5.05%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.94%	18.91%	+4.03%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.36%	21.53%	+3.83%

Dividends

UDR vs. REZ - Dividend Comparison

UDR's dividend yield for the trailing twelve months is around 4.68%, more than REZ's 2.16% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
REZ iShares Residential Real Estate ETF	2.16%	2.74%	2.26%	2.94%	3.37%	1.81%	3.17%	2.90%	3.63%	3.57%	5.55%	3.18%
UDR UDR, Inc.	4.68%	4.68%	3.90%	4.28%	3.88%	2.41%	3.70%	2.89%	3.22%	3.18%	3.19%	2.91%

Frequently Asked Questions

Can I hold both UDR and REZ in my portfolio?

UDR and REZ have a correlation of 0.73, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, UDR or REZ?

UDR has higher volatility (4.50%) compared to REZ (4.37%). In terms of maximum drawdown, UDR dropped -74.67% vs REZ's -66.87%.

Which has better risk-adjusted returns?

REZ currently has the higher Sharpe Ratio (0.52 vs -0.35), 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.