SEF vs. SSO
Compare and contrast key facts about ProShares Short Financials (SEF) and ProShares Ultra S&P500 (SSO).
SEF and SSO are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. SEF is a passively managed fund by ProShares that tracks the performance of the Dow Jones U.S. Financials Index (-100%). It was launched on Jun 12, 2008. SSO is a passively managed fund by ProShares that tracks the performance of the S&P 500. It was launched on Jun 19, 2006. Both SEF and SSO 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
SEF vs. SSO - Performance Comparison
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SEF vs. SSO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SEF ProShares Short Financials | 11.27% | -9.82% | -17.81% | -8.81% | 11.85% | -27.02% | -16.93% | -23.51% | 10.34% | -17.12% |
SSO ProShares Ultra S&P500 | -10.23% | 26.19% | 43.48% | 46.65% | -38.98% | 60.57% | 21.54% | 63.45% | -14.60% | 44.35% |
Returns By Period
In the year-to-date period, SEF achieves a 11.27% return, which is significantly higher than SSO's -10.23% return. Over the past 10 years, SEF has underperformed SSO with an annualized return of -11.67%, while SSO has yielded a comparatively higher 21.06% annualized return.
SEF
- 1D
- -2.13%
- 1M
- 3.96%
- YTD
- 11.27%
- 6M
- 10.38%
- 1Y
- 2.76%
- 3Y*
- -10.01%
- 5Y*
- -6.70%
- 10Y*
- -11.67%
SSO
- 1D
- 5.75%
- 1M
- -10.37%
- YTD
- -10.23%
- 6M
- -7.08%
- 1Y
- 26.35%
- 3Y*
- 28.27%
- 5Y*
- 15.34%
- 10Y*
- 21.06%
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SEF vs. SSO - Expense Ratio Comparison
SEF has a 0.95% expense ratio, which is higher than SSO's 0.87% expense ratio.
Return for Risk
SEF vs. SSO — Risk / Return Rank
SEF
SSO
SEF vs. SSO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProShares Short Financials (SEF) and ProShares Ultra S&P500 (SSO). 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.
| SEF | SSO | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.14 | 0.73 | -0.58 |
Sortino ratioReturn per unit of downside risk | 0.36 | 1.23 | -0.87 |
Omega ratioGain probability vs. loss probability | 1.05 | 1.19 | -0.14 |
Calmar ratioReturn relative to maximum drawdown | 0.08 | 1.20 | -1.13 |
Martin ratioReturn relative to average drawdown | 0.11 | 5.18 | -5.07 |
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
| SEF | SSO | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.14 | 0.73 | -0.58 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.37 | 0.46 | -0.83 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.57 | 0.59 | -1.16 |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.49 | 0.38 | -0.86 |
Correlation
The correlation between SEF and SSO is -0.83. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.
Dividends
SEF vs. SSO - Dividend Comparison
SEF's dividend yield for the trailing twelve months is around 3.27%, more than SSO's 0.82% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SEF ProShares Short Financials | 3.27% | 4.33% | 5.72% | 4.43% | 0.39% | 0.00% | 0.12% | 1.25% | 0.41% | 0.00% | 0.00% | 0.00% |
SSO ProShares Ultra S&P500 | 0.82% | 0.68% | 0.85% | 0.18% | 0.50% | 0.18% | 0.20% | 0.50% | 0.75% | 0.39% | 0.51% | 0.63% |
Drawdowns
SEF vs. SSO - Drawdown Comparison
The maximum SEF drawdown since its inception was -96.51%, which is greater than SSO's maximum drawdown of -84.67%. Use the drawdown chart below to compare losses from any high point for SEF and SSO.
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Drawdown Indicators
| SEF | SSO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -96.51% | -84.67% | -11.84% |
Max Drawdown (1Y)Largest decline over 1 year | -20.21% | -23.17% | +2.96% |
Max Drawdown (5Y)Largest decline over 5 years | -41.62% | -46.73% | +5.11% |
Max Drawdown (10Y)Largest decline over 10 years | -75.66% | -59.34% | -16.32% |
Current DrawdownCurrent decline from peak | -96.00% | -13.46% | -82.54% |
Average DrawdownAverage peak-to-trough decline | -82.58% | -19.72% | -62.86% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 14.44% | 5.38% | +9.06% |
Volatility
SEF vs. SSO - Volatility Comparison
The current volatility for ProShares Short Financials (SEF) is 4.86%, while ProShares Ultra S&P500 (SSO) has a volatility of 10.60%. This indicates that SEF experiences smaller price fluctuations and is considered to be less risky than SSO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SEF | SSO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.86% | 10.60% | -5.74% |
Volatility (6M)Calculated over the trailing 6-month period | 11.37% | 18.95% | -7.58% |
Volatility (1Y)Calculated over the trailing 1-year period | 19.28% | 36.45% | -17.17% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.99% | 33.66% | -15.67% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.55% | 35.86% | -15.31% |