SRS vs. SPY
SRS (ProShares UltraShort Real Estate) and SPY (State Street SPDR S&P 500 ETF) are both exchange-traded funds - SRS is a REIT fund tracking the Dow Jones U.S. Real Estate Index (-200%), while SPY is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, SRS returned -15.92%/yr vs 15.08%/yr for SPY. At a correlation of -0.66, they often move in opposite directions. SRS charges 0.95%/yr vs 0.09%/yr for SPY.
Performance
SRS vs. SPY - Performance Comparison
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Returns By Period
In the year-to-date period, SRS achieves a -19.62% return, which is significantly lower than SPY's 10.45% return. Over the past 10 years, SRS has underperformed SPY with an annualized return of -15.92%, while SPY has yielded a comparatively higher 15.08% annualized return.
SRS
- 1D
- -0.99%
- 1M
- 1.32%
- 6M
- -18.70%
- YTD
- -19.62%
- 1Y
- -15.15%
- 3Y*
- -11.35%
- 5Y*
- -5.79%
- 10Y*
- -15.92%
SPY
- 1D
- -0.77%
- 1M
- 1.26%
- 6M
- 8.34%
- YTD
- 10.45%
- 1Y
- 21.46%
- 3Y*
- 20.07%
- 5Y*
- 12.94%
- 10Y*
- 15.08%
SRS vs. SPY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SRS ProShares UltraShort Real Estate | -19.62% | -1.45% | -3.55% | -18.78% | 54.68% | -52.22% | -33.05% | -38.97% | 6.01% | -18.03% |
SPY State Street SPDR S&P 500 ETF | 10.45% | 17.72% | 24.89% | 26.18% | -18.18% | 28.73% | 18.33% | 31.22% | -4.57% | 21.71% |
Correlation
The correlation between SRS and SPY is -0.19, 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 (1Y) Calculated over the trailing 1-year period | -0.19 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.41 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.56 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.56 |
Correlation (All Time) Calculated using the full available price history since Feb 1, 2007 | -0.66 |
Over the past year, the inverse relationship between SRS and SPY has weakened: their correlation has moved from -0.66 to -0.19, meaning they move in opposite directions less often than they have historically.
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Return for Risk
SRS vs. SPY — Risk / Return Rank
SRS
SPY
SRS vs. SPY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProShares UltraShort Real Estate (SRS) and State Street SPDR S&P 500 ETF (SPY). 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.
| SRS | SPY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.24 | ||
| Sortino ratioReturn per unit of downside risk | -2.99 | ||
| Omega ratioGain probability vs. loss probability | 0.93 | 1.31 | -0.38 |
| Calmar ratioReturn relative to maximum drawdown | -0.65 | 2.43 | -3.08 |
| Martin ratioReturn relative to average drawdown | -1.36 | 10.57 | -11.94 |
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Drawdowns
SRS vs. SPY - Drawdown Comparison
The maximum SRS drawdown since its inception was -99.96%, which is greater than SPY's maximum drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for SRS and SPY.
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Drawdown Indicators
| SRS | SPY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.96% | -55.19% | -44.77% |
Max Drawdown (1Y)Largest decline over 1 year | -23.22% | -8.88% | -14.34% |
Max Drawdown (3Y)Largest decline over 3 years | -53.19% | -18.76% | -34.43% |
Max Drawdown (5Y)Largest decline over 5 years | -53.19% | -24.50% | -28.69% |
Max Drawdown (10Y)Largest decline over 10 years | -86.30% | -33.72% | -52.58% |
Current DrawdownCurrent decline from peak | -99.96% | -1.12% | -98.84% |
Average DrawdownAverage peak-to-trough decline | -91.26% | -9.02% | -82.24% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.14% | 2.03% | +9.11% |
Volatility
SRS vs. SPY - Volatility Comparison
ProShares UltraShort Real Estate (SRS) has a higher volatility of 10.29% compared to State Street SPDR S&P 500 ETF (SPY) at 4.26%. This indicates that SRS's price experiences larger fluctuations and is considered to be riskier than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SRS | SPY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.29% | 4.26% | +6.03% |
Volatility (6M)Calculated over the trailing 6-month period | 22.18% | 10.01% | +12.17% |
Volatility (1Y)Calculated over the trailing 1-year period | 28.77% | 12.60% | +16.17% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 37.81% | 17.17% | +20.64% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 40.79% | 17.93% | +22.86% |
SRS vs. SPY - Expense Ratio Comparison
SRS has a 0.95% expense ratio, which is higher than SPY's 0.09% expense ratio.
Dividends
SRS vs. SPY - Dividend Comparison
SRS's dividend yield for the trailing twelve months is around 3.59%, more than SPY's 1.00% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SPY State Street SPDR S&P 500 ETF | 1.00% | 1.07% | 1.21% | 1.40% | 1.65% | 1.20% | 1.52% | 1.75% | 2.04% | 1.80% | 2.03% | 2.06% |
SRS ProShares UltraShort Real Estate | 3.59% | 3.61% | 6.06% | 4.49% | 0.30% | 0.00% | 0.19% | 1.80% | 0.47% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
SRS and SPY have a correlation of -0.19, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SRS has higher volatility (10.29%) compared to SPY (4.26%). In terms of maximum drawdown, SRS dropped -99.96% vs SPY's -55.19%.
On 10-year performance, SPY leads with 15.08% vs -15.92% for SRS. On fees, SPY is cheaper at 0.09% per year. On volatility, SPY has been the lower-risk option at 4.26%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, SPY has performed better with a 15.08% return vs -15.92%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
SPY is cheaper with a 0.09% expense ratio, compared with 0.95% for SRS.
SRS has the higher dividend yield at 3.59%, compared with 1.00% for SPY.
SRS is categorized as REIT, while SPY is S&P 500. SRS tracks Dow Jones U.S. Real Estate Index (-200%), while SPY tracks S&P 500 Index. They also come from different issuers: ProShares and State Street. Their fees differ too: 0.95% for SRS and 0.09% for SPY.
SPY currently has the higher Sharpe Ratio (1.71 vs -0.53), 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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