RYURX vs. USPIX
RYURX (Rydex Inverse S&P 500 Strategy Fund) and USPIX (ProFunds UltraShort NASDAQ-100 Fund) are both Inverse Equities funds. Over the past 10 years, RYURX returned -12.47%/yr vs -38.40%/yr for USPIX. Their correlation of 0.87 means they have usually moved in the same direction. RYURX charges 1.49%/yr vs 1.68%/yr for USPIX.
Performance
RYURX vs. USPIX - Performance Comparison
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Returns By Period
In the year-to-date period, RYURX achieves a -6.06% return, which is significantly higher than USPIX's -21.82% return. Over the past 10 years, RYURX has outperformed USPIX with an annualized return of -12.47%, while USPIX has yielded a comparatively lower -38.40% annualized return.
RYURX
- 1D
- -1.56%
- 1M
- 0.93%
- 6M
- -5.19%
- YTD
- -6.06%
- 1Y
- -12.58%
- 3Y*
- -10.49%
- 5Y*
- -7.99%
- 10Y*
- -12.47%
- ALL TIME*
- -10.18%
USPIX
- 1D
- -6.68%
- 1M
- 8.37%
- 6M
- -20.22%
- YTD
- -21.82%
- 1Y
- -35.87%
- 3Y*
- -34.61%
- 5Y*
- -29.64%
- 10Y*
- -38.40%
- ALL TIME*
- -35.20%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
RYURX vs. USPIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
RYURX Rydex Inverse S&P 500 Strategy Fund | -6.06% | -11.41% | -13.04% | -14.56% | 17.56% | -24.19% | -24.90% | -22.65% | 4.33% | -17.38% |
USPIX ProFunds UltraShort NASDAQ-100 Fund | -21.82% | -35.26% | -38.20% | -57.06% | 61.80% | -46.20% | -70.91% | -50.15% | -9.56% | -44.56% |
Correlation
The correlation between RYURX and USPIX is 0.93, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.93 |
Correlation (3Y) Balances recent behavior with more history. | 0.92 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.93 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.90 |
Correlation (All Time) Calculated using the full available price history since Jun 2, 1998 | 0.87 |
The correlation between RYURX and USPIX has been stable across timeframes, ranging from 0.87 to 0.93 - a consistent structural relationship.
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Return for Risk
RYURX vs. USPIX — Risk / Return Rank
RYURX
USPIX
RYURX vs. USPIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Rydex Inverse S&P 500 Strategy Fund (RYURX) and ProFunds UltraShort NASDAQ-100 Fund (USPIX). 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.
| RYURX | USPIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | 0.00 | ||
| Sortino ratioReturn per unit of downside risk | -0.01 | ||
| Omega ratioGain probability vs. loss probability | 0.87 | 0.87 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | -0.67 | -0.73 | +0.05 |
| Martin ratioReturn relative to average drawdown | -1.21 | -1.33 | +0.12 |
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Drawdowns
RYURX vs. USPIX - Drawdown Comparison
The maximum RYURX drawdown since its inception was -96.72%, roughly equal to the maximum USPIX drawdown of -100.00%. Use the drawdown chart below to compare losses from any high point for RYURX and USPIX.
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Drawdown Indicators
| RYURX | USPIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -96.72% | -100.00% | +3.28% |
Max Drawdown (1Y)Largest decline over 1 year | -16.08% | -45.06% | +28.98% |
Max Drawdown (3Y)Largest decline over 3 years | -38.48% | -80.96% | +42.48% |
Max Drawdown (5Y)Largest decline over 5 years | -44.10% | -89.53% | +45.43% |
Max Drawdown (10Y)Largest decline over 10 years | -75.17% | -99.34% | +24.17% |
Current DrawdownCurrent decline from peak | -96.63% | -100.00% | +3.37% |
Average DrawdownAverage peak-to-trough decline | -69.05% | -96.44% | +27.39% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 8.97% | 24.54% | -15.57% |
Volatility
RYURX vs. USPIX - Volatility Comparison
The current volatility for Rydex Inverse S&P 500 Strategy Fund (RYURX) is 3.38%, while ProFunds UltraShort NASDAQ-100 Fund (USPIX) has a volatility of 13.82%. This indicates that RYURX experiences smaller price fluctuations and is considered to be less risky than USPIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| RYURX | USPIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.38% | 13.82% | -10.44% |
Volatility (6M)Calculated over the trailing 6-month period | 10.05% | 31.92% | -21.87% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.78% | 38.65% | -25.87% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.11% | 46.17% | -29.06% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.11% | 44.75% | -26.64% |
RYURX vs. USPIX - Expense Ratio Comparison
RYURX has a 1.49% expense ratio, which is lower than USPIX's 1.68% expense ratio.
Dividends
RYURX vs. USPIX - Dividend Comparison
RYURX's dividend yield for the trailing twelve months is around 4.06%, more than USPIX's 3.46% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 |
|---|---|---|---|---|---|---|---|---|
RYURX Rydex Inverse S&P 500 Strategy Fund | 4.06% | 3.82% | 6.78% | 2.79% | 0.00% | 0.00% | 0.42% | 0.86% |
USPIX ProFunds UltraShort NASDAQ-100 Fund | 3.46% | 2.71% | 0.00% | 5.92% | 0.00% | 0.00% | 0.07% | 0.36% |
Frequently Asked Questions
With a correlation of 0.93, RYURX and USPIX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
USPIX has higher volatility (13.82%) compared to RYURX (3.38%). In terms of maximum drawdown, RYURX dropped -96.72% vs USPIX's -100.00%.
USPIX currently has the higher Sharpe Ratio (-0.85 vs -0.85), 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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