SEF vs. MYY
Compare and contrast key facts about ProShares Short Financials (SEF) and ProShares Short S&P Mid Cap400 (MYY).
SEF and MYY 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. MYY is a passively managed fund by ProShares that tracks the performance of the S&P Mid Cap 400 (-100%). It was launched on Jun 19, 2006. Both SEF and MYY 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. MYY - Performance Comparison
Loading graphics...
SEF vs. MYY - 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% |
MYY ProShares Short S&P Mid Cap400 | -1.60% | -4.05% | -7.08% | -9.46% | 10.23% | -23.04% | -25.94% | -19.98% | 12.79% | -14.63% |
Returns By Period
In the year-to-date period, SEF achieves a 11.27% return, which is significantly higher than MYY's -1.60% return. Over the past 10 years, SEF has underperformed MYY with an annualized return of -11.67%, while MYY has yielded a comparatively higher -10.56% 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%
MYY
- 1D
- -2.74%
- 1M
- 5.76%
- YTD
- -1.60%
- 6M
- -2.06%
- 1Y
- -12.33%
- 3Y*
- -6.45%
- 5Y*
- -4.73%
- 10Y*
- -10.56%
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
SEF vs. MYY - Expense Ratio Comparison
Both SEF and MYY have an expense ratio of 0.95%.
Return for Risk
SEF vs. MYY — Risk / Return Rank
SEF
MYY
SEF vs. MYY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProShares Short Financials (SEF) and ProShares Short S&P Mid Cap400 (MYY). 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 | MYY | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.14 | -0.59 | +0.73 |
Sortino ratioReturn per unit of downside risk | 0.36 | -0.71 | +1.07 |
Omega ratioGain probability vs. loss probability | 1.05 | 0.91 | +0.14 |
Calmar ratioReturn relative to maximum drawdown | 0.08 | -0.45 | +0.53 |
Martin ratioReturn relative to average drawdown | 0.11 | -0.62 | +0.72 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading graphics...
Sharpe Ratios by Period
| SEF | MYY | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.14 | -0.59 | +0.73 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.37 | -0.24 | -0.13 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.57 | -0.50 | -0.07 |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.49 | -0.51 | +0.02 |
Correlation
The correlation between SEF and MYY is 0.83, 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
SEF vs. MYY - Dividend Comparison
SEF's dividend yield for the trailing twelve months is around 3.27%, less than MYY's 4.02% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
SEF ProShares Short Financials | 3.27% | 4.33% | 5.72% | 4.43% | 0.39% | 0.00% | 0.12% | 1.25% | 0.41% |
MYY ProShares Short S&P Mid Cap400 | 4.02% | 4.20% | 4.92% | 5.08% | 0.40% | 0.00% | 0.05% | 1.52% | 0.34% |
Drawdowns
SEF vs. MYY - Drawdown Comparison
The maximum SEF drawdown since its inception was -96.51%, roughly equal to the maximum MYY drawdown of -94.89%. Use the drawdown chart below to compare losses from any high point for SEF and MYY.
Loading graphics...
Drawdown Indicators
| SEF | MYY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -96.51% | -94.89% | -1.62% |
Max Drawdown (1Y)Largest decline over 1 year | -20.21% | -27.61% | +7.40% |
Max Drawdown (5Y)Largest decline over 5 years | -41.62% | -33.82% | -7.80% |
Max Drawdown (10Y)Largest decline over 10 years | -75.66% | -70.14% | -5.52% |
Current DrawdownCurrent decline from peak | -96.00% | -94.55% | -1.45% |
Average DrawdownAverage peak-to-trough decline | -82.58% | -71.95% | -10.63% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 14.44% | 20.28% | -5.84% |
Volatility
SEF vs. MYY - Volatility Comparison
The current volatility for ProShares Short Financials (SEF) is 4.86%, while ProShares Short S&P Mid Cap400 (MYY) has a volatility of 6.47%. This indicates that SEF experiences smaller price fluctuations and is considered to be less risky than MYY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading graphics...
Volatility by Period
| SEF | MYY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.86% | 6.47% | -1.61% |
Volatility (6M)Calculated over the trailing 6-month period | 11.37% | 11.92% | -0.55% |
Volatility (1Y)Calculated over the trailing 1-year period | 19.28% | 21.04% | -1.76% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.99% | 19.62% | -1.63% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.55% | 21.23% | -0.68% |