REK vs. SRS
Compare and contrast key facts about ProShares Short Real Estate (REK) and ProShares UltraShort Real Estate (SRS).
REK and SRS are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. REK is a passively managed fund by ProShares that tracks the performance of the DJ Global United States (All) / Real Estate -SS (-100%). It was launched on Mar 18, 2010. SRS is a passively managed fund by ProShares that tracks the performance of the Dow Jones U.S. Real Estate Index (-200%). It was launched on Jan 30, 2007. Both REK and SRS are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.
Performance
REK vs. SRS - Performance Comparison
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REK vs. SRS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
REK ProShares Short Real Estate | -1.17% | 2.35% | 1.42% | -6.61% | 29.17% | -30.58% | -11.33% | -20.96% | 4.61% | -9.34% |
SRS ProShares UltraShort Real Estate | -3.53% | -1.45% | -3.55% | -18.78% | 54.68% | -52.22% | -33.05% | -38.97% | 6.01% | -18.03% |
Returns By Period
In the year-to-date period, REK achieves a -1.17% return, which is significantly higher than SRS's -3.53% return. Over the past 10 years, REK has outperformed SRS with an annualized return of -5.85%, while SRS has yielded a comparatively lower -15.88% annualized return.
REK
- 1D
- -0.35%
- 1M
- 6.75%
- YTD
- -1.17%
- 6M
- 3.55%
- 1Y
- 3.30%
- 3Y*
- -1.07%
- 5Y*
- -1.03%
- 10Y*
- -5.85%
SRS
- 1D
- -0.71%
- 1M
- 13.57%
- YTD
- -3.53%
- 6M
- 4.63%
- 1Y
- 1.08%
- 3Y*
- -8.06%
- 5Y*
- -7.46%
- 10Y*
- -15.88%
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REK vs. SRS - Expense Ratio Comparison
Both REK and SRS have an expense ratio of 0.95%.
Return for Risk
REK vs. SRS — Risk / Return Rank
REK
SRS
REK vs. SRS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProShares Short Real Estate (REK) and ProShares UltraShort Real Estate (SRS). 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.
| REK | SRS | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.20 | 0.03 | +0.17 |
Sortino ratioReturn per unit of downside risk | 0.42 | 0.29 | +0.13 |
Omega ratioGain probability vs. loss probability | 1.05 | 1.04 | +0.02 |
Calmar ratioReturn relative to maximum drawdown | 0.23 | 0.03 | +0.20 |
Martin ratioReturn relative to average drawdown | 0.33 | 0.05 | +0.28 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| REK | SRS | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.20 | 0.03 | +0.17 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.05 | -0.20 | +0.14 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.29 | -0.39 | +0.10 |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.48 | -0.49 | +0.01 |
Correlation
The correlation between REK and SRS is 0.96, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
REK vs. SRS - Dividend Comparison
REK's dividend yield for the trailing twelve months is around 3.09%, less than SRS's 3.27% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
REK ProShares Short Real Estate | 3.09% | 3.43% | 6.22% | 4.50% | 0.48% | 0.00% | 0.07% | 1.28% | 0.43% |
SRS ProShares UltraShort Real Estate | 3.27% | 3.61% | 6.06% | 4.49% | 0.30% | 0.00% | 0.19% | 1.80% | 0.47% |
Drawdowns
REK vs. SRS - Drawdown Comparison
The maximum REK drawdown since its inception was -84.57%, smaller than the maximum SRS drawdown of -99.96%. Use the drawdown chart below to compare losses from any high point for REK and SRS.
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Drawdown Indicators
| REK | SRS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -84.57% | -99.96% | +15.39% |
Max Drawdown (1Y)Largest decline over 1 year | -14.26% | -29.66% | +15.40% |
Max Drawdown (5Y)Largest decline over 5 years | -26.93% | -50.15% | +23.22% |
Max Drawdown (10Y)Largest decline over 10 years | -58.67% | -85.42% | +26.75% |
Current DrawdownCurrent decline from peak | -80.90% | -99.95% | +19.05% |
Average DrawdownAverage peak-to-trough decline | -63.88% | -91.15% | +27.27% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 9.94% | 20.95% | -11.01% |
Volatility
REK vs. SRS - Volatility Comparison
The current volatility for ProShares Short Real Estate (REK) is 4.57%, while ProShares UltraShort Real Estate (SRS) has a volatility of 9.03%. This indicates that REK experiences smaller price fluctuations and is considered to be less risky than SRS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| REK | SRS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.57% | 9.03% | -4.46% |
Volatility (6M)Calculated over the trailing 6-month period | 9.46% | 19.02% | -9.56% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.40% | 32.73% | -16.33% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.82% | 37.52% | -18.70% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.28% | 40.63% | -20.35% |