RYAIX vs. SOPIX
Compare and contrast key facts about Rydex Inverse NASDAQ-100 Strategy Fund (RYAIX) and ProFunds Short NASDAQ-100 Fund (SOPIX).
RYAIX is managed by Rydex Funds. It was launched on Sep 2, 1998. SOPIX is managed by ProFunds. It was launched on Apr 30, 2002.
Performance
RYAIX vs. SOPIX - Performance Comparison
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RYAIX vs. SOPIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
RYAIX Rydex Inverse NASDAQ-100 Strategy Fund | 10.70% | -15.63% | -15.64% | -31.71% | 35.92% | -24.88% | -40.98% | -27.65% | -2.63% | -24.47% |
SOPIX ProFunds Short NASDAQ-100 Fund | 10.52% | -15.80% | -23.82% | -31.85% | 34.73% | -25.69% | -42.92% | -28.29% | -3.07% | -25.24% |
Returns By Period
The year-to-date returns for both stocks are quite close, with RYAIX having a 10.70% return and SOPIX slightly lower at 10.52%. Over the past 10 years, RYAIX has outperformed SOPIX with an annualized return of -16.89%, while SOPIX has yielded a comparatively lower -18.48% annualized return.
RYAIX
- 1D
- 0.78%
- 1M
- 8.79%
- YTD
- 10.70%
- 6M
- 9.08%
- 1Y
- -14.68%
- 3Y*
- -13.58%
- 5Y*
- -10.67%
- 10Y*
- -16.89%
SOPIX
- 1D
- 0.80%
- 1M
- 8.80%
- YTD
- 10.52%
- 6M
- 8.77%
- 1Y
- -14.65%
- 3Y*
- -16.68%
- 5Y*
- -12.90%
- 10Y*
- -18.48%
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RYAIX vs. SOPIX - Expense Ratio Comparison
RYAIX has a 1.55% expense ratio, which is lower than SOPIX's 1.78% expense ratio.
Return for Risk
RYAIX vs. SOPIX — Risk / Return Rank
RYAIX
SOPIX
RYAIX vs. SOPIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Rydex Inverse NASDAQ-100 Strategy Fund (RYAIX) and ProFunds Short NASDAQ-100 Fund (SOPIX). 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.
| RYAIX | SOPIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | -0.65 | -0.59 | -0.06 |
Sortino ratioReturn per unit of downside risk | -0.79 | -0.69 | -0.10 |
Omega ratioGain probability vs. loss probability | 0.89 | 0.90 | -0.01 |
Calmar ratioReturn relative to maximum drawdown | -0.36 | -0.36 | 0.00 |
Martin ratioReturn relative to average drawdown | -0.45 | -0.45 | 0.00 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| RYAIX | SOPIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.65 | -0.59 | -0.06 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.47 | -0.55 | +0.08 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.75 | -0.83 | +0.08 |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.16 | -0.77 | +0.61 |
Correlation
The correlation between RYAIX and SOPIX is 0.99, 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
RYAIX vs. SOPIX - Dividend Comparison
RYAIX's dividend yield for the trailing twelve months is around 2.01%, more than SOPIX's 1.94% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
RYAIX Rydex Inverse NASDAQ-100 Strategy Fund | 2.01% | 2.23% | 5.67% | 4.81% | 0.00% | 0.00% | 0.09% | 0.72% |
SOPIX ProFunds Short NASDAQ-100 Fund | 1.94% | 2.14% | 0.00% | 6.71% | 0.00% | 0.00% | 0.00% | 0.29% |
Drawdowns
RYAIX vs. SOPIX - Drawdown Comparison
The maximum RYAIX drawdown since its inception was -98.75%, roughly equal to the maximum SOPIX drawdown of -98.92%. Use the drawdown chart below to compare losses from any high point for RYAIX and SOPIX.
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Drawdown Indicators
| RYAIX | SOPIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -98.75% | -98.92% | +0.17% |
Max Drawdown (1Y)Largest decline over 1 year | -33.93% | -33.92% | -0.01% |
Max Drawdown (5Y)Largest decline over 5 years | -54.73% | -59.43% | +4.70% |
Max Drawdown (10Y)Largest decline over 10 years | -87.23% | -89.41% | +2.18% |
Current DrawdownCurrent decline from peak | -98.56% | -98.76% | +0.20% |
Average DrawdownAverage peak-to-trough decline | -73.13% | -75.96% | +2.83% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 27.19% | 27.20% | -0.01% |
Volatility
RYAIX vs. SOPIX - Volatility Comparison
Rydex Inverse NASDAQ-100 Strategy Fund (RYAIX) and ProFunds Short NASDAQ-100 Fund (SOPIX) have volatilities of 5.34% and 5.28%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| RYAIX | SOPIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.34% | 5.28% | +0.06% |
Volatility (6M)Calculated over the trailing 6-month period | 12.33% | 12.29% | +0.04% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.52% | 24.87% | -2.35% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.82% | 23.36% | -0.54% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.58% | 22.42% | +0.16% |