SDD vs. YXI
SDD (ProShares UltraShort SmallCap600) and YXI (ProShares Short FTSE China 50) are both Inverse Equities funds from ProShares - SDD tracks the S&P Small Cap 600 (-200%) while YXI tracks the FTSE China 50 Net Tax USD (TR) (-100%). Both are passively managed. Over the past 10 years, SDD returned -26.75%/yr vs -7.79%/yr for YXI. At a 0.45 correlation, their price movements are largely independent. Both charge a 0.95% expense ratio.
Performance
SDD vs. YXI - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, SDD achieves a -23.94% return, which is significantly lower than YXI's 10.81% return. Over the past 10 years, SDD has underperformed YXI with an annualized return of -26.75%, while YXI has yielded a comparatively higher -7.79% annualized return.
SDD
- 1D
- 3.63%
- 1M
- 2.05%
- YTD
- -23.94%
- 6M
- -22.77%
- 1Y
- -41.53%
- 3Y*
- -23.30%
- 5Y*
- -14.95%
- 10Y*
- -26.75%
YXI
- 1D
- 2.98%
- 1M
- 7.71%
- YTD
- 10.81%
- 6M
- 14.41%
- 1Y
- 4.93%
- 3Y*
- -10.32%
- 5Y*
- -2.19%
- 10Y*
- -7.79%
SDD vs. YXI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SDD ProShares UltraShort SmallCap600 | -23.94% | -14.69% | -13.60% | -25.99% | 20.50% | -46.57% | -55.11% | -36.30% | 14.10% | -25.45% |
YXI ProShares Short FTSE China 50 | 10.81% | -22.87% | -25.36% | 12.40% | 4.78% | 13.94% | -17.95% | -14.35% | 9.63% | -28.43% |
Correlation
The correlation between SDD and YXI is 0.39, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.39 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.36 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.38 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.41 |
Correlation (All Time) Calculated using the full available price history since Mar 19, 2010 | 0.45 |
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
SDD vs. YXI — Risk / Return Rank
SDD
YXI
SDD vs. YXI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProShares UltraShort SmallCap600 (SDD) and ProShares Short FTSE China 50 (YXI). 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.
| SDD | YXI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.40 | ||
| Sortino ratioReturn per unit of downside risk | -2.18 | ||
| Omega ratioGain probability vs. loss probability | 0.81 | 1.06 | -0.25 |
| Calmar ratioReturn relative to maximum drawdown | -0.95 | 0.35 | -1.30 |
| Martin ratioReturn relative to average drawdown | -1.56 | 0.63 | -2.19 |
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 charts...
Sharpe Ratios by Period
| SDD | YXI | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -1.15 | 0.25 | -1.40 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.35 | -0.07 | -0.28 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.59 | -0.28 | -0.31 |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.59 | -0.30 | -0.29 |
Drawdowns
SDD vs. YXI - Drawdown Comparison
The maximum SDD drawdown since its inception was -99.93%, which is greater than YXI's maximum drawdown of -81.15%. Use the drawdown chart below to compare losses from any high point for SDD and YXI.
Loading charts...
Drawdown Indicators
| SDD | YXI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.93% | -81.15% | -18.78% |
Max Drawdown (1Y)Largest decline over 1 year | -43.74% | -14.21% | -29.53% |
Max Drawdown (3Y)Largest decline over 3 years | -65.26% | -53.12% | -12.14% |
Max Drawdown (5Y)Largest decline over 5 years | -67.68% | -57.65% | -10.03% |
Max Drawdown (10Y)Largest decline over 10 years | -96.21% | -64.92% | -31.29% |
Current DrawdownCurrent decline from peak | -99.93% | -77.37% | -22.56% |
Average DrawdownAverage peak-to-trough decline | -86.92% | -54.32% | -32.60% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 26.68% | 7.79% | +18.89% |
Volatility
SDD vs. YXI - Volatility Comparison
ProShares UltraShort SmallCap600 (SDD) has a higher volatility of 9.35% compared to ProShares Short FTSE China 50 (YXI) at 7.29%. This indicates that SDD's price experiences larger fluctuations and is considered to be riskier than YXI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| SDD | YXI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 9.35% | 7.29% | +2.06% |
Volatility (6M)Calculated over the trailing 6-month period | 24.32% | 15.13% | +9.19% |
Volatility (1Y)Calculated over the trailing 1-year period | 36.17% | 20.09% | +16.08% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 43.23% | 31.41% | +11.82% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 45.16% | 27.43% | +17.73% |
SDD vs. YXI - Expense Ratio Comparison
Both SDD and YXI have an expense ratio of 0.95%.
Dividends
SDD vs. YXI - Dividend Comparison
SDD's dividend yield for the trailing twelve months is around 6.11%, more than YXI's 2.77% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
SDD ProShares UltraShort SmallCap600 | 6.11% | 5.07% | 4.34% | 3.84% | 0.33% | 0.00% | 0.00% | 1.20% | 0.52% |
YXI ProShares Short FTSE China 50 | 2.77% | 3.60% | 4.35% | 2.66% | 0.27% | 0.00% | 0.08% | 1.01% | 0.25% |
Frequently Asked Questions
SDD and YXI have a correlation of 0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SDD has higher volatility (9.35%) compared to YXI (7.29%). In terms of maximum drawdown, SDD dropped -99.93% vs YXI's -81.15%.
On 10-year performance, YXI leads with -7.79% vs -26.75% for SDD. Both ETFs have the same 0.95% expense ratio. On volatility, YXI has been the lower-risk option at 7.29%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, YXI has performed better with a -7.79% return vs -26.75%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
SDD and YXI have the same expense ratio: 0.95% per year.
SDD has the higher dividend yield at 6.11%, compared with 2.77% for YXI.
SDD tracks S&P Small Cap 600 (-200%), while YXI tracks FTSE China 50 Net Tax USD (TR) (-100%).
YXI currently has the higher Sharpe Ratio (0.25 vs -1.15), 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.
Find the right allocation for SDD and YXI
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