SOPIX vs. UOPIX
SOPIX (ProFunds Short NASDAQ-100 Fund) and UOPIX (ProFunds UltraNASDAQ-100 Fund) are both mutual funds - SOPIX is a Inverse Equities fund managed by ProFunds, while UOPIX is a Leveraged Equities fund managed by ProFunds. Over the past 10 years, SOPIX returned -20.40%/yr vs 33.36%/yr for UOPIX. At a correlation of -0.99, they often move in opposite directions. SOPIX charges 1.78%/yr vs 1.47%/yr for UOPIX.
Performance
SOPIX vs. UOPIX - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, SOPIX achieves a -15.00% return, which is significantly lower than UOPIX's 32.77% return. Over the past 10 years, SOPIX has underperformed UOPIX with an annualized return of -20.40%, while UOPIX has yielded a comparatively higher 33.36% annualized return.
SOPIX
- 1D
- -0.31%
- 1M
- -0.75%
- 6M
- -13.33%
- YTD
- -15.00%
- 1Y
- -21.88%
- 3Y*
- -20.54%
- 5Y*
- -15.02%
- 10Y*
- -20.40%
UOPIX
- 1D
- 0.64%
- 1M
- 0.34%
- 6M
- 27.58%
- YTD
- 32.77%
- 1Y
- 58.24%
- 3Y*
- 42.82%
- 5Y*
- 19.14%
- 10Y*
- 33.36%
SOPIX vs. UOPIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SOPIX ProFunds Short NASDAQ-100 Fund | -15.00% | -15.80% | -23.82% | -31.85% | 34.73% | -25.69% | -42.92% | -28.29% | -3.07% | -25.24% |
UOPIX ProFunds UltraNASDAQ-100 Fund | 32.77% | 30.26% | 41.75% | 115.97% | -60.70% | 48.28% | 86.57% | 80.53% | -9.41% | 68.58% |
Correlation
The correlation between SOPIX and UOPIX is -1.00, 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 | -1.00 |
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 | -0.99 |
Correlation (All Time) Calculated using the full available price history since Jan 2, 2003 | -0.99 |
The correlation between SOPIX and UOPIX has been stable across timeframes, ranging from -1.00 to -0.99 - a consistent structural relationship.
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
SOPIX vs. UOPIX — Risk / Return Rank
SOPIX
UOPIX
SOPIX vs. UOPIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProFunds Short NASDAQ-100 Fund (SOPIX) and ProFunds UltraNASDAQ-100 Fund (UOPIX). 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.
| SOPIX | UOPIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.75 | ||
| Sortino ratioReturn per unit of downside risk | -3.79 | ||
| Omega ratioGain probability vs. loss probability | 0.81 | 1.27 | -0.45 |
| Calmar ratioReturn relative to maximum drawdown | -0.88 | 2.32 | -3.19 |
| Martin ratioReturn relative to average drawdown | -1.82 | 7.68 | -9.50 |
Loading charts...
Drawdowns
SOPIX vs. UOPIX - Drawdown Comparison
The maximum SOPIX drawdown since its inception was -99.07%, roughly equal to the maximum UOPIX drawdown of -99.00%. Use the drawdown chart below to compare losses from any high point for SOPIX and UOPIX.
Loading charts...
Drawdown Indicators
| SOPIX | UOPIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.07% | -99.00% | -0.07% |
Max Drawdown (1Y)Largest decline over 1 year | -24.87% | -24.97% | +0.10% |
Max Drawdown (3Y)Largest decline over 3 years | -54.87% | -42.52% | -12.35% |
Max Drawdown (5Y)Largest decline over 5 years | -65.00% | -65.01% | +0.01% |
Max Drawdown (10Y)Largest decline over 10 years | -89.99% | -65.01% | -24.98% |
Current DrawdownCurrent decline from peak | -99.05% | -6.77% | -92.28% |
Average DrawdownAverage peak-to-trough decline | -76.22% | -67.48% | -8.74% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.91% | 7.52% | +4.39% |
Volatility
SOPIX vs. UOPIX - Volatility Comparison
The current volatility for ProFunds Short NASDAQ-100 Fund (SOPIX) is 8.45%, while ProFunds UltraNASDAQ-100 Fund (UOPIX) has a volatility of 16.90%. This indicates that SOPIX experiences smaller price fluctuations and is considered to be less risky than UOPIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| SOPIX | UOPIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.45% | 16.90% | -8.45% |
Volatility (6M)Calculated over the trailing 6-month period | 15.09% | 30.37% | -15.28% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.36% | 36.86% | -18.50% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.73% | 45.83% | -22.10% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.61% | 44.41% | -21.80% |
SOPIX vs. UOPIX - Expense Ratio Comparison
SOPIX has a 1.78% expense ratio, which is higher than UOPIX's 1.47% expense ratio.
Dividends
SOPIX vs. UOPIX - Dividend Comparison
SOPIX's dividend yield for the trailing twelve months is around 2.52%, less than UOPIX's 13.76% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
SOPIX ProFunds Short NASDAQ-100 Fund | 2.52% | 2.14% | 0.00% | 6.71% | 0.00% | 0.00% | 0.00% | 0.29% | 0.00% |
UOPIX ProFunds UltraNASDAQ-100 Fund | 13.76% | 18.27% | 0.41% | 0.00% | 5.64% | 11.03% | 9.78% | 5.78% | 6.73% |
Frequently Asked Questions
SOPIX and UOPIX have a correlation of -1.00, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
UOPIX has higher volatility (16.90%) compared to SOPIX (8.45%). In terms of maximum drawdown, SOPIX dropped -99.07% vs UOPIX's -99.00%.
UOPIX currently has the higher Sharpe Ratio (1.57 vs -1.19), 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 SOPIX and UOPIX
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