REK vs. XLRI
REK (ProShares Short Real Estate) and XLRI (State Street Real Estate Select Sector SPDR Premium Income ETF) are both exchange-traded funds - REK is a REIT fund tracking the DJ Global United States (All) / Real Estate -SS (-100%), while XLRI is a Derivative Income fund actively managed by State Street. REK is passively managed, while XLRI is actively managed. At a correlation of -0.96, they often move in opposite directions. REK charges 0.95%/yr vs 0.35%/yr for XLRI.
Performance
REK vs. XLRI - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, REK achieves a -9.73% return, which is significantly lower than XLRI's 6.39% return.
REK
- 1D
- -0.55%
- 1M
- -1.21%
- YTD
- -9.73%
- 6M
- -9.36%
- 1Y
- -4.46%
- 3Y*
- -5.42%
- 5Y*
- -0.55%
- 10Y*
- -6.46%
XLRI
- 1D
- -0.30%
- 1M
- 0.93%
- YTD
- 6.39%
- 6M
- 6.48%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
REK vs. XLRI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
REK ProShares Short Real Estate | -9.73% | 6.59% |
XLRI State Street Real Estate Select Sector SPDR Premium Income ETF | 6.39% | -0.57% |
Correlation
The correlation between REK and XLRI is -0.96, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Jul 30, 2025 | -0.96 |
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
REK vs. XLRI — Risk / Return Rank
REK
XLRI
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
REK vs. XLRI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProShares Short Real Estate (REK) and State Street Real Estate Select Sector SPDR Premium Income ETF (XLRI). 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.
| REK | XLRI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | 0.96 | — | — |
| Calmar ratioReturn relative to maximum drawdown | -0.41 | — | — |
| Martin ratioReturn relative to average drawdown | -0.90 | — | — |
Loading charts...
Drawdowns
REK vs. XLRI - Drawdown Comparison
The maximum REK drawdown since its inception was -84.57%, which is greater than XLRI's maximum drawdown of -7.12%. Use the drawdown chart below to compare losses from any high point for REK and XLRI.
Loading charts...
Drawdown Indicators
| REK | XLRI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -84.57% | -7.12% | -77.45% |
Max Drawdown (1Y)Largest decline over 1 year | -11.05% | — | — |
Max Drawdown (3Y)Largest decline over 3 years | -26.93% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -26.93% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -58.67% | — | — |
Current DrawdownCurrent decline from peak | -82.56% | -0.84% | -81.72% |
Average DrawdownAverage peak-to-trough decline | -64.12% | -1.64% | -62.48% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.98% | — | — |
Volatility
REK vs. XLRI - Volatility Comparison
Loading charts...
Volatility by Period
| REK | XLRI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.24% | — | — |
Volatility (6M)Calculated over the trailing 6-month period | 10.60% | — | — |
Volatility (1Y)Calculated over the trailing 1-year period | 14.06% | 10.97% | +3.09% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.92% | 10.97% | +7.95% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.35% | 10.97% | +9.38% |
REK vs. XLRI - Expense Ratio Comparison
REK has a 0.95% expense ratio, which is higher than XLRI's 0.35% expense ratio.
Dividends
REK vs. XLRI - Dividend Comparison
REK's dividend yield for the trailing twelve months is around 3.38%, less than XLRI's 12.27% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
REK ProShares Short Real Estate | 3.38% | 3.43% | 6.22% | 4.50% | 0.48% | 0.00% | 0.07% | 1.28% | 0.43% |
XLRI State Street Real Estate Select Sector SPDR Premium Income ETF | 12.27% | 6.85% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
REK and XLRI have a correlation of -0.96, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, XLRI is cheaper at 0.35% per year. The better choice depends on whether you care most about return, fees, risk, or income.
XLRI is cheaper with a 0.35% expense ratio, compared with 0.95% for REK.
XLRI has the higher dividend yield at 12.27%, compared with 3.38% for REK.
REK is categorized as REIT, while XLRI is Derivative Income. They also come from different issuers: ProShares and State Street. Their fees differ too: 0.95% for REK and 0.35% for XLRI.
Find the right allocation for REK and XLRI
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer