UDPIX vs. RYMDX

Last updated Jun 23, 2026

UDPIX (ProFunds Ultra Dow 30 ProFund) and RYMDX (Rydex Mid-Cap 1.5x Strategy Fund) are both Leveraged Equities funds. Over the past 10 years, UDPIX returned 21.14%/yr vs 12.11%/yr for RYMDX. Their correlation of 0.85 suggests significant overlap in exposure. UDPIX charges 1.54%/yr vs 1.65%/yr for RYMDX.

Performance

UDPIX vs. RYMDX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProFunds Ultra Dow 30 ProFund (UDPIX) and Rydex Mid-Cap 1.5x Strategy Fund (RYMDX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, UDPIX achieves a 12.59% return, which is significantly lower than RYMDX's 21.26% return. Over the past 10 years, UDPIX has outperformed RYMDX with an annualized return of 21.14%, while RYMDX has yielded a comparatively lower 12.11% annualized return.

UDPIX

• 1D: 0.25%
• 1M: 3.67%
• YTD: 12.59%
• 6M: 11.03%
• 1Y: 42.58%
• 3Y*: 23.42%
• 5Y*: 15.29%
• 10Y*: 21.14%

RYMDX

• 1D: 1.63%
• 1M: 4.75%
• YTD: 21.26%
• 6M: 17.28%
• 1Y: 36.49%
• 3Y*: 17.57%
• 5Y*: 8.66%
• 10Y*: 12.11%

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

UDPIX vs. RYMDX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
UDPIX ProFunds Ultra Dow 30 ProFund	12.59%	19.96%	18.13%	23.94%	-19.89%	52.21%	15.74%	47.47%	-13.82%	54.86%
RYMDX Rydex Mid-Cap 1.5x Strategy Fund	21.26%	5.29%	15.46%	19.11%	-23.31%	34.58%	9.87%	36.13%	-19.37%	22.67%

Correlation

The correlation between UDPIX and RYMDX is 0.79, 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	0.79
Correlation (3Y) Calculated over the trailing 3-year period	0.80
Correlation (5Y) Calculated over the trailing 5-year period	0.84
Correlation (10Y) Calculated over the trailing 10-year period	0.82
Correlation (All Time) Calculated using the full available price history since May 31, 2002	0.85

The correlation between UDPIX and RYMDX has been stable across timeframes, ranging from 0.79 to 0.85 - a consistent structural relationship.

Return for Risk

UDPIX vs. RYMDX — Risk / Return Rank

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

UDPIX

UDPIX Risk / Return Rank: 38
UDPIX Sharpe Ratio Rank: 40
UDPIX Sortino Ratio Rank: 39
UDPIX Omega Ratio Rank: 34
UDPIX Calmar Ratio Rank: 38
UDPIX Martin Ratio Rank: 39

RYMDX

RYMDX Risk / Return Rank: 40
RYMDX Sharpe Ratio Rank: 33
RYMDX Sortino Ratio Rank: 33
RYMDX Omega Ratio Rank: 30
RYMDX Calmar Ratio Rank: 55
RYMDX Martin Ratio Rank: 49

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.

UDPIX vs. RYMDX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProFunds Ultra Dow 30 ProFund (UDPIX) and Rydex Mid-Cap 1.5x Strategy Fund (RYMDX). 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.

	UDPIX	RYMDX	Difference
Sharpe ratio: Return per unit of total volatility	1.72	1.55	+0.17
Sortino ratio: Return per unit of downside risk	2.41	2.23	+0.18
Omega ratio: Gain probability vs. loss probability	1.29	1.27	+0.02
Calmar ratio: Return relative to maximum drawdown	2.22	2.72	-0.50
Martin ratio: Return relative to average drawdown	8.10	9.60	-1.50

UDPIX vs. RYMDX - Sharpe Ratio Comparison

The current UDPIX Sharpe Ratio is 1.72, which is comparable to the RYMDX Sharpe Ratio of 1.55. The chart below compares the historical Sharpe Ratios of UDPIX and RYMDX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

UDPIX vs. RYMDX - Drawdown Comparison

The maximum UDPIX drawdown since its inception was -81.97%, which is greater than RYMDX's maximum drawdown of -75.43%. Use the drawdown chart below to compare losses from any high point for UDPIX and RYMDX.

Drawdown Indicators

	UDPIX	RYMDX	Difference
Max Drawdown Largest peak-to-trough decline	-81.97%	-75.43%	-6.54%
Max Drawdown (1Y) Largest decline over 1 year	-19.37%	-13.50%	-5.87%
Max Drawdown (3Y) Largest decline over 3 years	-33.41%	-35.20%	+1.79%
Max Drawdown (5Y) Largest decline over 5 years	-40.44%	-42.77%	+2.33%
Max Drawdown (10Y) Largest decline over 10 years	-63.40%	-58.09%	-5.31%
Current Drawdown Current decline from peak	-1.72%	-0.70%	-1.02%
Average Drawdown Average peak-to-trough decline	-17.54%	-15.41%	-2.13%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.29%	3.82%	+1.47%

Volatility

UDPIX vs. RYMDX - Volatility Comparison

ProFunds Ultra Dow 30 ProFund (UDPIX) has a higher volatility of 8.79% compared to Rydex Mid-Cap 1.5x Strategy Fund (RYMDX) at 7.27%. This indicates that UDPIX's price experiences larger fluctuations and is considered to be riskier than RYMDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	UDPIX	RYMDX	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.79%	7.27%	+1.52%
Volatility (6M) Calculated over the trailing 6-month period	19.66%	17.60%	+2.06%
Volatility (1Y) Calculated over the trailing 1-year period	24.93%	23.71%	+1.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	30.15%	31.54%	-1.39%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	35.20%	32.64%	+2.56%

UDPIX vs. RYMDX - Expense Ratio Comparison

UDPIX has a 1.54% expense ratio, which is lower than RYMDX's 1.65% expense ratio.

Dividends

UDPIX vs. RYMDX - Dividend Comparison

UDPIX's dividend yield for the trailing twelve months is around 3.46%, more than RYMDX's 0.60% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RYMDX Rydex Mid-Cap 1.5x Strategy Fund	0.60%	0.73%	0.72%	0.35%	0.00%	17.47%	0.38%	0.18%	0.56%	0.53%	0.19%	0.67%
UDPIX ProFunds Ultra Dow 30 ProFund	3.46%	3.90%	0.00%	0.95%	0.00%	13.43%	14.53%	1.96%	0.93%	0.02%	0.00%	0.00%

Frequently Asked Questions

Can I hold both UDPIX and RYMDX in my portfolio?

UDPIX and RYMDX have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, UDPIX or RYMDX?

UDPIX has higher volatility (8.79%) compared to RYMDX (7.27%). In terms of maximum drawdown, UDPIX dropped -81.97% vs RYMDX's -75.43%.

Which has better risk-adjusted returns?

UDPIX currently has the higher Sharpe Ratio (1.72 vs 1.55), 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.