UDPIX vs. RYJSX

Last updated Jun 4, 2026

UDPIX (ProFunds Ultra Dow 30 ProFund) and RYJSX (Rydex Japan 2x Strategy Fund) are both Leveraged Equities funds. Over the past 10 years, UDPIX returned 21.05%/yr vs 15.51%/yr for RYJSX. A 0.65 correlation means they provide meaningful diversification when combined. UDPIX charges 1.54%/yr vs 1.49%/yr for RYJSX.

Performance

UDPIX vs. RYJSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProFunds Ultra Dow 30 ProFund (UDPIX) and Rydex Japan 2x Strategy Fund (RYJSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, UDPIX achieves a 11.76% return, which is significantly lower than RYJSX's 61.13% return. Over the past 10 years, UDPIX has outperformed RYJSX with an annualized return of 21.05%, while RYJSX has yielded a comparatively lower 15.51% annualized return.

UDPIX

• 1D: 0.94%
• 1M: 9.78%
• YTD: 11.76%
• 6M: 12.23%
• 1Y: 39.20%
• 3Y*: 24.35%
• 5Y*: 13.39%
• 10Y*: 21.05%

RYJSX

• 1D: 0.41%
• 1M: 23.21%
• YTD: 61.13%
• 6M: 60.11%
• 1Y: 129.24%
• 3Y*: 35.83%
• 5Y*: 11.23%
• 10Y*: 15.51%

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

UDPIX vs. RYJSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
UDPIX ProFunds Ultra Dow 30 ProFund	11.76%	19.96%	18.13%	23.94%	-19.89%	52.21%	15.74%	47.47%	-13.82%	54.86%
RYJSX Rydex Japan 2x Strategy Fund	61.13%	50.73%	1.56%	34.36%	-42.66%	-14.17%	40.76%	38.61%	-21.92%	50.94%

Correlation

The correlation between UDPIX and RYJSX is 0.59, 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	0.59
Correlation (3Y) Calculated over the trailing 3-year period	0.54
Correlation (5Y) Calculated over the trailing 5-year period	0.60
Correlation (10Y) Calculated over the trailing 10-year period	0.63
Correlation (All Time) Calculated using the full available price history since Jan 5, 2009	0.65

The correlation between UDPIX and RYJSX shifts across timeframes, from 0.54 (3 years) to 0.65 (all time), reflecting how their relationship changes across market environments.

Return for Risk

UDPIX vs. RYJSX — Risk / Return Rank

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

UDPIX

UDPIX Risk / Return Rank: 33
UDPIX Sharpe Ratio Rank: 35
UDPIX Sortino Ratio Rank: 33
UDPIX Omega Ratio Rank: 30
UDPIX Calmar Ratio Rank: 31
UDPIX Martin Ratio Rank: 34

RYJSX

RYJSX Risk / Return Rank: 64
RYJSX Sharpe Ratio Rank: 72
RYJSX Sortino Ratio Rank: 51
RYJSX Omega Ratio Rank: 45
RYJSX Calmar Ratio Rank: 85
RYJSX Martin Ratio Rank: 65

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. RYJSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProFunds Ultra Dow 30 ProFund (UDPIX) and Rydex Japan 2x Strategy Fund (RYJSX). 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.

	UDPIX	RYJSX	Difference
Sharpe ratio: Return per unit of total volatility	1.69	2.49	-0.79
Sortino ratio: Return per unit of downside risk	2.38	3.04	-0.66
Omega ratio: Gain probability vs. loss probability	1.29	1.37	-0.08
Calmar ratio: Return relative to maximum drawdown	2.11	4.04	-1.94
Martin ratio: Return relative to average drawdown	7.71	12.66	-4.95
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

UDPIX vs. RYJSX - Sharpe Ratio Comparison

The current UDPIX Sharpe Ratio is 1.69, which is lower than the RYJSX Sharpe Ratio of 2.49. The chart below compares the historical Sharpe Ratios of UDPIX and RYJSX, 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

	UDPIX	RYJSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.69	2.49	-0.79
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.45	0.28	+0.17
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.60	0.41	+0.19
Sharpe Ratio (All Time) Calculated using the full available price history	0.34	0.29	+0.04

Drawdowns

UDPIX vs. RYJSX - Drawdown Comparison

The maximum UDPIX drawdown since its inception was -81.97%, which is greater than RYJSX's maximum drawdown of -63.60%. Use the drawdown chart below to compare losses from any high point for UDPIX and RYJSX.

Drawdown Indicators

	UDPIX	RYJSX	Difference
Max Drawdown Largest peak-to-trough decline	-81.97%	-63.60%	-18.37%
Max Drawdown (1Y) Largest decline over 1 year	-19.37%	-30.86%	+11.49%
Max Drawdown (3Y) Largest decline over 3 years	-33.41%	-40.80%	+7.39%
Max Drawdown (5Y) Largest decline over 5 years	-40.44%	-61.07%	+20.63%
Max Drawdown (10Y) Largest decline over 10 years	-63.40%	-63.60%	+0.20%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-17.57%	-20.88%	+3.31%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.28%	9.84%	-4.56%

Volatility

UDPIX vs. RYJSX - Volatility Comparison

The current volatility for ProFunds Ultra Dow 30 ProFund (UDPIX) is 6.00%, while Rydex Japan 2x Strategy Fund (RYJSX) has a volatility of 14.19%. This indicates that UDPIX experiences smaller price fluctuations and is considered to be less risky than RYJSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	UDPIX	RYJSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.00%	14.19%	-8.19%
Volatility (6M) Calculated over the trailing 6-month period	18.54%	39.70%	-21.16%
Volatility (1Y) Calculated over the trailing 1-year period	24.11%	50.21%	-26.10%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	29.99%	40.59%	-10.60%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	35.13%	37.71%	-2.58%

UDPIX vs. RYJSX - Expense Ratio Comparison

UDPIX has a 1.54% expense ratio, which is higher than RYJSX's 1.49% expense ratio.

Dividends

UDPIX vs. RYJSX - Dividend Comparison

UDPIX's dividend yield for the trailing twelve months is around 3.49%, more than RYJSX's 0.69% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
RYJSX Rydex Japan 2x Strategy Fund	0.69%	1.11%	4.50%	5.86%	0.00%	0.00%	0.52%	0.85%	0.48%	3.24%
UDPIX ProFunds Ultra Dow 30 ProFund	3.49%	3.90%	0.00%	0.95%	0.00%	13.43%	14.53%	1.96%	0.93%	0.02%

Frequently Asked Questions

Can I hold both UDPIX and RYJSX in my portfolio?

UDPIX and RYJSX have a correlation of 0.59, 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 RYJSX?

RYJSX has higher volatility (14.19%) compared to UDPIX (6.00%). In terms of maximum drawdown, UDPIX dropped -81.97% vs RYJSX's -63.60%.

Which has better risk-adjusted returns?

RYJSX currently has the higher Sharpe Ratio (2.49 vs 1.69), 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.