USCI vs. REZ
USCI (United States Commodity Index Fund) and REZ (iShares Residential Real Estate ETF) are both exchange-traded funds - USCI is a Commodities fund tracking the SummerHaven Dynamic Commodity (TR), while REZ is a REIT fund tracking the FTSE NAREIT All Residential Capped Index. Both are passively managed. Over the past 10 years, USCI returned 8.19%/yr vs 7.05%/yr for REZ. At a 0.13 correlation, their price movements are largely independent. USCI charges 1.03%/yr vs 0.48%/yr for REZ.
Performance
USCI vs. REZ - Performance Comparison
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Returns By Period
In the year-to-date period, USCI achieves a 22.58% return, which is significantly higher than REZ's 12.29% return. Over the past 10 years, USCI has outperformed REZ with an annualized return of 8.19%, while REZ has yielded a comparatively lower 7.05% annualized return.
USCI
- 1D
- -0.94%
- 1M
- -6.82%
- YTD
- 22.58%
- 6M
- 20.76%
- 1Y
- 29.04%
- 3Y*
- 21.04%
- 5Y*
- 18.23%
- 10Y*
- 8.19%
REZ
- 1D
- 0.89%
- 1M
- 0.88%
- YTD
- 12.29%
- 6M
- 12.93%
- 1Y
- 13.92%
- 3Y*
- 10.92%
- 5Y*
- 4.39%
- 10Y*
- 7.05%
USCI vs. REZ - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
USCI United States Commodity Index Fund | 22.58% | 17.63% | 17.24% | -0.00% | 29.47% | 33.07% | -11.47% | -1.68% | -11.76% | 6.32% |
REZ iShares Residential Real Estate ETF | 12.29% | 4.80% | 12.73% | 10.97% | -28.31% | 47.86% | -6.62% | 24.49% | 3.89% | 3.87% |
Correlation
The correlation between USCI and REZ is -0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.09 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.02 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.08 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.09 |
Correlation (All Time) Calculated using the full available price history since Aug 10, 2010 | 0.13 |
The correlation between USCI and REZ shifts across timeframes, from -0.09 (1 year) to 0.13 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
USCI vs. REZ — Risk / Return Rank
USCI
REZ
USCI vs. REZ - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for United States Commodity Index Fund (USCI) 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.
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.
| USCI | REZ | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.79 | ||
| Sortino ratioReturn per unit of downside risk | +0.96 | ||
| Omega ratioGain probability vs. loss probability | 1.30 | 1.17 | +0.13 |
| Calmar ratioReturn relative to maximum drawdown | 3.34 | 1.60 | +1.75 |
| Martin ratioReturn relative to average drawdown | 10.82 | 4.86 | +5.96 |
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Drawdowns
USCI vs. REZ - Drawdown Comparison
The maximum USCI drawdown since its inception was -66.41%, roughly equal to the maximum REZ drawdown of -66.87%. Use the drawdown chart below to compare losses from any high point for USCI and REZ.
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Drawdown Indicators
| USCI | REZ | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -66.41% | -66.87% | +0.46% |
Max Drawdown (1Y)Largest decline over 1 year | -8.73% | -8.76% | +0.03% |
Max Drawdown (3Y)Largest decline over 3 years | -12.01% | -18.39% | +6.38% |
Max Drawdown (5Y)Largest decline over 5 years | -18.84% | -35.05% | +16.21% |
Max Drawdown (10Y)Largest decline over 10 years | -45.82% | -44.15% | -1.67% |
Current DrawdownCurrent decline from peak | -7.36% | 0.00% | -7.36% |
Average DrawdownAverage peak-to-trough decline | -29.46% | -12.67% | -16.79% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.69% | 2.87% | -0.18% |
Volatility
USCI vs. REZ - Volatility Comparison
The current volatility for United States Commodity Index Fund (USCI) is 3.42%, while iShares Residential Real Estate ETF (REZ) has a volatility of 5.69%. This indicates that USCI experiences smaller price fluctuations and is considered to be less risky than REZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| USCI | REZ | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.42% | 5.69% | -2.27% |
Volatility (6M)Calculated over the trailing 6-month period | 14.11% | 11.14% | +2.97% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.78% | 14.73% | +2.05% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.45% | 18.97% | -0.52% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 15.85% | 21.55% | -5.70% |
USCI vs. REZ - Expense Ratio Comparison
USCI has a 1.03% expense ratio, which is higher than REZ's 0.48% expense ratio.
Dividends
USCI vs. REZ - Dividend Comparison
USCI has not paid dividends to shareholders, while REZ's dividend yield for the trailing twelve months is around 2.05%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
REZ iShares Residential Real Estate ETF | 2.05% | 2.74% | 2.26% | 2.94% | 3.37% | 1.81% | 3.17% | 2.90% | 3.63% | 3.57% | 5.55% | 3.18% |
USCI United States Commodity Index Fund | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
USCI and REZ have a correlation of -0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
REZ has higher volatility (5.69%) compared to USCI (3.42%). In terms of maximum drawdown, USCI dropped -66.41% vs REZ's -66.87%.
On 10-year performance, USCI leads with 8.19% vs 7.05% for REZ. On fees, REZ is cheaper at 0.48% per year. On volatility, USCI has been the lower-risk option at 3.42%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, USCI has performed better with a 8.19% return vs 7.05%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
REZ is cheaper with a 0.48% expense ratio, compared with 1.03% for USCI.
REZ has the higher dividend yield at 2.05%, compared with 0.00% for USCI.
USCI is categorized as Commodities, while REZ is REIT. USCI tracks SummerHaven Dynamic Commodity (TR), while REZ tracks FTSE NAREIT All Residential Capped Index. They also come from different issuers: Concierge Technologies and iShares. Their fees differ too: 1.03% for USCI and 0.48% for REZ.
USCI currently has the higher Sharpe Ratio (1.74 vs 0.95), 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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