SDD vs. IJR
SDD (ProShares UltraShort SmallCap600) and IJR (iShares Core S&P Small-Cap ETF) are both exchange-traded funds - SDD is a Inverse Equities fund tracking the S&P Small Cap 600 (-200%), while IJR is a Small Cap Blend Equities fund tracking the S&P SmallCap 600 Index. Both are passively managed. Over the past 10 years, SDD returned -26.98%/yr vs 10.76%/yr for IJR. At a correlation of -0.93, they often move in opposite directions. SDD charges 0.95%/yr vs 0.06%/yr for IJR.
Performance
SDD vs. IJR - Performance Comparison
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Returns By Period
In the year-to-date period, SDD achieves a -32.06% return, which is significantly lower than IJR's 21.68% return. Over the past 10 years, SDD has underperformed IJR with an annualized return of -26.98%, while IJR has yielded a comparatively higher 10.76% annualized return.
SDD
- 1D
- 0.02%
- 1M
- -2.88%
- 6M
- -25.07%
- YTD
- -32.06%
- 1Y
- -40.76%
- 3Y*
- -24.65%
- 5Y*
- -17.22%
- 10Y*
- -26.98%
IJR
- 1D
- 0.06%
- 1M
- 1.62%
- 6M
- 15.67%
- YTD
- 21.68%
- 1Y
- 30.71%
- 3Y*
- 14.91%
- 5Y*
- 7.15%
- 10Y*
- 10.76%
SDD vs. IJR - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SDD ProShares UltraShort SmallCap600 | -32.06% | -14.69% | -13.60% | -25.99% | 20.50% | -46.57% | -55.11% | -36.30% | 14.10% | -25.45% |
IJR iShares Core S&P Small-Cap ETF | 21.68% | 5.89% | 8.63% | 16.06% | -16.20% | 26.58% | 11.28% | 22.82% | -8.51% | 13.15% |
Correlation
The correlation between SDD and IJR is -0.99, 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 | -0.99 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.99 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.99 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.94 |
Correlation (All Time) Calculated using the full available price history since Jan 25, 2007 | -0.93 |
The correlation between SDD and IJR has been stable across timeframes, ranging from -0.99 to -0.93 - a consistent structural relationship.
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Return for Risk
SDD vs. IJR — Risk / Return Rank
SDD
IJR
SDD vs. IJR - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProShares UltraShort SmallCap600 (SDD) and iShares Core S&P Small-Cap ETF (IJR). 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.
| SDD | IJR | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.78 | ||
| Sortino ratioReturn per unit of downside risk | -4.06 | ||
| Omega ratioGain probability vs. loss probability | 0.82 | 1.29 | -0.47 |
| Calmar ratioReturn relative to maximum drawdown | -0.83 | 3.39 | -4.22 |
| Martin ratioReturn relative to average drawdown | -1.45 | 11.36 | -12.81 |
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Drawdowns
SDD vs. IJR - Drawdown Comparison
The maximum SDD drawdown since its inception was -99.94%, which is greater than IJR's maximum drawdown of -58.15%. Use the drawdown chart below to compare losses from any high point for SDD and IJR.
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Drawdown Indicators
| SDD | IJR | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.94% | -58.15% | -41.79% |
Max Drawdown (1Y)Largest decline over 1 year | -47.71% | -8.68% | -39.03% |
Max Drawdown (3Y)Largest decline over 3 years | -69.10% | -28.02% | -41.08% |
Max Drawdown (5Y)Largest decline over 5 years | -71.26% | -28.02% | -43.24% |
Max Drawdown (10Y)Largest decline over 10 years | -96.11% | -44.36% | -51.75% |
Current DrawdownCurrent decline from peak | -99.94% | -1.85% | -98.09% |
Average DrawdownAverage peak-to-trough decline | -86.96% | -9.25% | -77.71% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 27.29% | 2.60% | +24.69% |
Volatility
SDD vs. IJR - Volatility Comparison
ProShares UltraShort SmallCap600 (SDD) has a higher volatility of 8.95% compared to iShares Core S&P Small-Cap ETF (IJR) at 4.64%. This indicates that SDD's price experiences larger fluctuations and is considered to be riskier than IJR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SDD | IJR | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.95% | 4.64% | +4.31% |
Volatility (6M)Calculated over the trailing 6-month period | 24.79% | 12.06% | +12.73% |
Volatility (1Y)Calculated over the trailing 1-year period | 35.96% | 17.58% | +18.38% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 43.10% | 21.36% | +21.74% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 45.02% | 22.84% | +22.18% |
SDD vs. IJR - Expense Ratio Comparison
SDD has a 0.95% expense ratio, which is higher than IJR's 0.06% expense ratio.
Dividends
SDD vs. IJR - Dividend Comparison
SDD's dividend yield for the trailing twelve months is around 6.33%, more than IJR's 1.13% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IJR iShares Core S&P Small-Cap ETF | 1.13% | 1.44% | 2.05% | 1.31% | 1.41% | 1.53% | 1.11% | 1.44% | 1.58% | 1.20% | 1.22% | 1.48% |
SDD ProShares UltraShort SmallCap600 | 6.33% | 5.07% | 4.34% | 3.84% | 0.33% | 0.00% | 0.00% | 1.20% | 0.52% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
SDD and IJR have a correlation of -0.99, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SDD has higher volatility (8.95%) compared to IJR (4.64%). In terms of maximum drawdown, SDD dropped -99.94% vs IJR's -58.15%.
On 10-year performance, IJR leads with 10.76% vs -26.98% for SDD. On fees, IJR is cheaper at 0.06% per year. On volatility, IJR has been the lower-risk option at 4.64%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, IJR has performed better with a 10.76% return vs -26.98%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IJR is cheaper with a 0.06% expense ratio, compared with 0.95% for SDD.
SDD has the higher dividend yield at 6.33%, compared with 1.13% for IJR.
SDD is categorized as Inverse Equities, while IJR is Small Cap Blend Equities. SDD tracks S&P Small Cap 600 (-200%), while IJR tracks S&P SmallCap 600 Index. They also come from different issuers: ProShares and iShares. Their fees differ too: 0.95% for SDD and 0.06% for IJR.
IJR currently has the higher Sharpe Ratio (1.67 vs -1.10), 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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