SOPIX vs. RYWWX
SOPIX (ProFunds Short NASDAQ-100 Fund) and RYWWX (Rydex Inverse Emerging Markets 2x Strategy Fund) are both Inverse Equities funds. Over the past 10 years, SOPIX returned -20.40%/yr vs -26.62%/yr for RYWWX. A 0.69 correlation means they provide meaningful diversification when combined. SOPIX charges 1.78%/yr vs 1.87%/yr for RYWWX.
Performance
SOPIX vs. RYWWX - Performance Comparison
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Returns By Period
In the year-to-date period, SOPIX achieves a -15.00% return, which is significantly lower than RYWWX's -13.77% return. Over the past 10 years, SOPIX has outperformed RYWWX with an annualized return of -20.40%, while RYWWX has yielded a comparatively lower -26.62% 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%
RYWWX
- 1D
- -0.89%
- 1M
- -2.49%
- 6M
- -1.27%
- YTD
- -13.77%
- 1Y
- -37.77%
- 3Y*
- -32.24%
- 5Y*
- -20.01%
- 10Y*
- -26.62%
SOPIX vs. RYWWX - 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% |
RYWWX Rydex Inverse Emerging Markets 2x Strategy Fund | -13.77% | -51.31% | -17.03% | -28.06% | 2.55% | 17.09% | -57.70% | -39.99% | 23.02% | -47.98% |
Correlation
The correlation between SOPIX and RYWWX is 0.68, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.68 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.65 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.66 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.68 |
Correlation (All Time) Calculated using the full available price history since Jan 3, 2011 | 0.69 |
The correlation between SOPIX and RYWWX has been stable across timeframes, ranging from 0.65 to 0.69 - a consistent structural relationship.
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Return for Risk
SOPIX vs. RYWWX — Risk / Return Rank
SOPIX
RYWWX
SOPIX vs. RYWWX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProFunds Short NASDAQ-100 Fund (SOPIX) and Rydex Inverse Emerging Markets 2x Strategy Fund (RYWWX). 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 | RYWWX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.32 | ||
| Sortino ratioReturn per unit of downside risk | -0.55 | ||
| Omega ratioGain probability vs. loss probability | 0.81 | 0.87 | -0.05 |
| Calmar ratioReturn relative to maximum drawdown | -0.88 | -0.86 | -0.02 |
| Martin ratioReturn relative to average drawdown | -1.82 | -1.20 | -0.62 |
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Drawdowns
SOPIX vs. RYWWX - Drawdown Comparison
The maximum SOPIX drawdown since its inception was -99.07%, roughly equal to the maximum RYWWX drawdown of -98.12%. Use the drawdown chart below to compare losses from any high point for SOPIX and RYWWX.
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Drawdown Indicators
| SOPIX | RYWWX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.07% | -98.12% | -0.95% |
Max Drawdown (1Y)Largest decline over 1 year | -24.87% | -44.07% | +19.20% |
Max Drawdown (3Y)Largest decline over 3 years | -54.87% | -75.97% | +21.10% |
Max Drawdown (5Y)Largest decline over 5 years | -65.00% | -84.06% | +19.06% |
Max Drawdown (10Y)Largest decline over 10 years | -89.99% | -95.86% | +5.87% |
Current DrawdownCurrent decline from peak | -99.05% | -97.92% | -1.13% |
Average DrawdownAverage peak-to-trough decline | -76.22% | -68.78% | -7.44% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.91% | 31.37% | -19.46% |
Volatility
SOPIX vs. RYWWX - Volatility Comparison
The current volatility for ProFunds Short NASDAQ-100 Fund (SOPIX) is 8.45%, while Rydex Inverse Emerging Markets 2x Strategy Fund (RYWWX) has a volatility of 15.30%. This indicates that SOPIX experiences smaller price fluctuations and is considered to be less risky than RYWWX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SOPIX | RYWWX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.45% | 15.30% | -6.85% |
Volatility (6M)Calculated over the trailing 6-month period | 15.09% | 35.34% | -20.25% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.36% | 43.63% | -25.27% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.73% | 48.10% | -24.37% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.61% | 46.50% | -23.89% |
SOPIX vs. RYWWX - Expense Ratio Comparison
SOPIX has a 1.78% expense ratio, which is lower than RYWWX's 1.87% expense ratio.
Dividends
SOPIX vs. RYWWX - Dividend Comparison
SOPIX's dividend yield for the trailing twelve months is around 2.52%, less than RYWWX's 5.80% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 |
|---|---|---|---|---|---|---|---|---|
RYWWX Rydex Inverse Emerging Markets 2x Strategy Fund | 5.80% | 5.00% | 5.36% | 3.28% | 0.00% | 0.00% | 0.00% | 1.06% |
SOPIX ProFunds Short NASDAQ-100 Fund | 2.52% | 2.14% | 0.00% | 6.71% | 0.00% | 0.00% | 0.00% | 0.29% |
Frequently Asked Questions
SOPIX and RYWWX have a correlation of 0.68, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
RYWWX has higher volatility (15.30%) compared to SOPIX (8.45%). In terms of maximum drawdown, SOPIX dropped -99.07% vs RYWWX's -98.12%.
RYWWX currently has the higher Sharpe Ratio (-0.87 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.
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