RYMMX vs. RYURX

Last updated Jun 4, 2026

RYMMX (Rydex S&P MidCap 400 Pure Value Fund) and RYURX (Rydex Inverse S&P 500 Strategy Fund) are both mutual funds - RYMMX is a Small Cap Value Equities fund managed by Rydex Funds, while RYURX is a Inverse Equities fund managed by Rydex Funds. Over the past 10 years, RYMMX returned 9.86%/yr vs -25.99%/yr for RYURX. At a correlation of -0.81, they often move in opposite directions. RYMMX charges 2.26%/yr vs 1.49%/yr for RYURX.

Performance

RYMMX vs. RYURX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Rydex S&P MidCap 400 Pure Value Fund (RYMMX) and Rydex Inverse S&P 500 Strategy Fund (RYURX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RYMMX achieves a 12.45% return, which is significantly higher than RYURX's -8.72% return. Over the past 10 years, RYMMX has outperformed RYURX with an annualized return of 9.86%, while RYURX has yielded a comparatively lower -25.99% annualized return.

RYMMX

• 1D: 1.70%
• 1M: 3.95%
• YTD: 12.45%
• 6M: 9.88%
• 1Y: 22.84%
• 3Y*: 14.27%
• 5Y*: 7.63%
• 10Y*: 9.86%

RYURX

• 1D: -0.12%
• 1M: -5.09%
• YTD: -8.72%
• 6M: -8.24%
• 1Y: -17.89%
• 3Y*: -49.15%
• 5Y*: -34.38%
• 10Y*: -25.99%

*Multi-year figures are annualized to reflect compound growth (CAGR)

RYMMX vs. RYURX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RYMMX Rydex S&P MidCap 400 Pure Value Fund	12.45%	5.11%	3.49%	26.78%	-6.06%	30.05%	5.74%	20.83%	-19.66%	12.28%
RYURX Rydex Inverse S&P 500 Strategy Fund	-8.72%	-82.28%	-13.04%	-14.56%	17.56%	-24.19%	-24.90%	-22.65%	4.33%	-17.38%

Correlation

The correlation between RYMMX and RYURX is -0.57, 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	-0.57
Correlation (3Y) Calculated over the trailing 3-year period	-0.66
Correlation (5Y) Calculated over the trailing 5-year period	-0.74
Correlation (10Y) Calculated over the trailing 10-year period	-0.73
Correlation (All Time) Calculated using the full available price history since Jan 4, 2005	-0.81

Over the past year, the inverse relationship between RYMMX and RYURX has weakened: their correlation has moved from -0.81 to -0.57, meaning they move in opposite directions less often than they have historically.

Return for Risk

RYMMX vs. RYURX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

RYMMX

RYMMX Risk / Return Rank: 24
RYMMX Sharpe Ratio Rank: 23
RYMMX Sortino Ratio Rank: 25
RYMMX Omega Ratio Rank: 22
RYMMX Calmar Ratio Rank: 29
RYMMX Martin Ratio Rank: 23

RYURX

RYURX Risk / Return Rank: 0
RYURX Sharpe Ratio Rank: 0
RYURX Sortino Ratio Rank: 0
RYURX Omega Ratio Rank: 0
RYURX Calmar Ratio Rank: 0
RYURX Martin Ratio Rank: 0

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

RYMMX vs. RYURX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Rydex S&P MidCap 400 Pure Value Fund (RYMMX) and Rydex Inverse S&P 500 Strategy Fund (RYURX). 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.

	RYMMX	RYURX	Difference
Sharpe ratio: Return per unit of total volatility	1.38	-1.56	+2.95
Sortino ratio: Return per unit of downside risk	2.11	-2.25	+4.36
Omega ratio: Gain probability vs. loss probability	1.25	0.76	+0.49
Calmar ratio: Return relative to maximum drawdown	1.99	-1.00	+3.00
Martin ratio: Return relative to average drawdown	5.73	-1.87	+7.60
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RYMMX vs. RYURX - Sharpe Ratio Comparison

The current RYMMX Sharpe Ratio is 1.38, which is higher than the RYURX Sharpe Ratio of -1.56. The chart below compares the historical Sharpe Ratios of RYMMX and RYURX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	RYMMX	RYURX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.38	-1.56	+2.95
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.35	-0.87	+1.22
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.40	-0.84	+1.23
Sharpe Ratio (All Time) Calculated using the full available price history	0.27	-0.62	+0.89

Drawdowns

RYMMX vs. RYURX - Drawdown Comparison

The maximum RYMMX drawdown since its inception was -73.49%, smaller than the maximum RYURX drawdown of -99.34%. Use the drawdown chart below to compare losses from any high point for RYMMX and RYURX.

Drawdown Indicators

	RYMMX	RYURX	Difference
Max Drawdown Largest peak-to-trough decline	-73.49%	-99.34%	+25.85%
Max Drawdown (1Y) Largest decline over 1 year	-12.54%	-18.35%	+5.81%
Max Drawdown (3Y) Largest decline over 3 years	-25.11%	-87.70%	+62.59%
Max Drawdown (5Y) Largest decline over 5 years	-25.11%	-88.82%	+63.71%
Max Drawdown (10Y) Largest decline over 10 years	-54.43%	-95.29%	+40.86%
Current Drawdown Current decline from peak	0.00%	-99.34%	+99.34%
Average Drawdown Average peak-to-trough decline	-11.98%	-69.04%	+57.06%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.35%	9.86%	-5.51%

Volatility

RYMMX vs. RYURX - Volatility Comparison

Rydex S&P MidCap 400 Pure Value Fund (RYMMX) has a higher volatility of 4.70% compared to Rydex Inverse S&P 500 Strategy Fund (RYURX) at 2.79%. This indicates that RYMMX's price experiences larger fluctuations and is considered to be riskier than RYURX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RYMMX	RYURX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.70%	2.79%	+1.91%
Volatility (6M) Calculated over the trailing 6-month period	11.82%	8.93%	+2.89%
Volatility (1Y) Calculated over the trailing 1-year period	18.08%	11.79%	+6.29%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.94%	39.62%	-17.68%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.03%	31.10%	-6.07%

RYMMX vs. RYURX - Expense Ratio Comparison

RYMMX has a 2.26% expense ratio, which is higher than RYURX's 1.49% expense ratio.

Dividends

RYMMX vs. RYURX - Dividend Comparison

RYMMX's dividend yield for the trailing twelve months is around 0.16%, less than RYURX's 4.18% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RYMMX Rydex S&P MidCap 400 Pure Value Fund	0.16%	0.18%	8.21%	0.48%	17.90%	6.82%	0.05%	0.00%	3.84%	1.94%	0.22%	0.30%
RYURX Rydex Inverse S&P 500 Strategy Fund	4.18%	3.82%	6.78%	2.79%	0.00%	0.00%	0.42%	0.86%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both RYMMX and RYURX in my portfolio?

RYMMX and RYURX have a correlation of -0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RYMMX or RYURX?

RYMMX has higher volatility (4.70%) compared to RYURX (2.79%). In terms of maximum drawdown, RYMMX dropped -73.49% vs RYURX's -99.34%.

Which has better risk-adjusted returns?

RYMMX currently has the higher Sharpe Ratio (1.38 vs -1.56), 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.