SMPIX vs. RYJSX

Last updated Jun 23, 2026

SMPIX (ProFunds Semiconductor UltraSector Fund Investor Class) and RYJSX (Rydex Japan 2x Strategy Fund) are both Leveraged Equities funds. Over the past 10 years, SMPIX returned 20.05%/yr vs 16.65%/yr for RYJSX. A 0.57 correlation means they provide meaningful diversification when combined. SMPIX charges 1.52%/yr vs 1.49%/yr for RYJSX.

Performance

SMPIX vs. RYJSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProFunds Semiconductor UltraSector Fund Investor Class (SMPIX) and Rydex Japan 2x Strategy Fund (RYJSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with SMPIX having a 78.25% return and RYJSX slightly lower at 77.19%. Over the past 10 years, SMPIX has outperformed RYJSX with an annualized return of 20.05%, while RYJSX has yielded a comparatively lower 16.65% annualized return.

SMPIX

• 1D: 7.49%
• 1M: 11.82%
• YTD: 78.25%
• 6M: 80.13%
• 1Y: 170.24%
• 3Y*: -8.37%
• 5Y*: 2.23%
• 10Y*: 20.05%

RYJSX

• 1D: 5.22%
• 1M: 23.48%
• YTD: 77.19%
• 6M: 78.43%
• 1Y: 153.49%
• 3Y*: 36.86%
• 5Y*: 14.07%
• 10Y*: 16.65%

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

SMPIX vs. RYJSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SMPIX ProFunds Semiconductor UltraSector Fund Investor Class	78.25%	56.35%	-77.32%	155.37%	-54.31%	80.17%	60.77%	77.97%	-17.56%	42.78%
RYJSX Rydex Japan 2x Strategy Fund	77.19%	50.73%	1.56%	34.36%	-42.66%	-14.17%	40.76%	38.61%	-21.92%	50.94%

Correlation

The correlation between SMPIX and RYJSX is 0.61, 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	0.61
Correlation (3Y) Calculated over the trailing 3-year period	0.56
Correlation (5Y) Calculated over the trailing 5-year period	0.60
Correlation (10Y) Calculated over the trailing 10-year period	0.59
Correlation (All Time) Calculated using the full available price history since Jan 2, 2009	0.57

The correlation between SMPIX and RYJSX has been stable across timeframes, ranging from 0.56 to 0.61 - a consistent structural relationship.

Return for Risk

SMPIX vs. RYJSX — Risk / Return Rank

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

SMPIX

SMPIX Risk / Return Rank: 88
SMPIX Sharpe Ratio Rank: 97
SMPIX Sortino Ratio Rank: 75
SMPIX Omega Ratio Rank: 75
SMPIX Calmar Ratio Rank: 98
SMPIX Martin Ratio Rank: 96

RYJSX

RYJSX Risk / Return Rank: 79
RYJSX Sharpe Ratio Rank: 90
RYJSX Sortino Ratio Rank: 69
RYJSX Omega Ratio Rank: 58
RYJSX Calmar Ratio Rank: 93
RYJSX Martin Ratio Rank: 84

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.

SMPIX vs. RYJSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProFunds Semiconductor UltraSector Fund Investor Class (SMPIX) 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.

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.

	SMPIX	RYJSX	Difference
Sharpe ratio: Return per unit of total volatility	3.30	2.73	+0.57
Sortino ratio: Return per unit of downside risk	3.30	3.15	+0.15
Omega ratio: Gain probability vs. loss probability	1.45	1.39	+0.06
Calmar ratio: Return relative to maximum drawdown	7.39	4.73	+2.66
Martin ratio: Return relative to average drawdown	21.33	14.62	+6.70

SMPIX vs. RYJSX - Sharpe Ratio Comparison

The current SMPIX Sharpe Ratio is 3.30, which is comparable to the RYJSX Sharpe Ratio of 2.73. The chart below compares the historical Sharpe Ratios of SMPIX 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.

Drawdowns

SMPIX vs. RYJSX - Drawdown Comparison

The maximum SMPIX drawdown since its inception was -94.52%, which is greater than RYJSX's maximum drawdown of -63.60%. Use the drawdown chart below to compare losses from any high point for SMPIX and RYJSX.

Drawdown Indicators

	SMPIX	RYJSX	Difference
Max Drawdown Largest peak-to-trough decline	-94.52%	-63.60%	-30.92%
Max Drawdown (1Y) Largest decline over 1 year	-22.72%	-30.86%	+8.14%
Max Drawdown (3Y) Largest decline over 3 years	-94.52%	-40.80%	-53.72%
Max Drawdown (5Y) Largest decline over 5 years	-94.52%	-61.07%	-33.45%
Max Drawdown (10Y) Largest decline over 10 years	-94.52%	-63.60%	-30.92%
Current Drawdown Current decline from peak	-73.09%	0.00%	-73.09%
Average Drawdown Average peak-to-trough decline	-57.64%	-20.83%	-36.81%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.86%	9.96%	-2.10%

Volatility

SMPIX vs. RYJSX - Volatility Comparison

ProFunds Semiconductor UltraSector Fund Investor Class (SMPIX) has a higher volatility of 23.93% compared to Rydex Japan 2x Strategy Fund (RYJSX) at 20.99%. This indicates that SMPIX's price experiences larger fluctuations and is considered to be riskier than RYJSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SMPIX	RYJSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	23.93%	20.99%	+2.94%
Volatility (6M) Calculated over the trailing 6-month period	40.58%	43.61%	-3.03%
Volatility (1Y) Calculated over the trailing 1-year period	50.92%	53.47%	-2.55%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	71.44%	41.42%	+30.02%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	59.62%	38.13%	+21.49%

SMPIX vs. RYJSX - Expense Ratio Comparison

SMPIX has a 1.52% expense ratio, which is higher than RYJSX's 1.49% expense ratio.

Dividends

SMPIX vs. RYJSX - Dividend Comparison

SMPIX's dividend yield for the trailing twelve months is around 7.30%, more than RYJSX's 0.63% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RYJSX Rydex Japan 2x Strategy Fund	0.63%	1.11%	4.50%	5.86%	0.00%	0.00%	0.52%	0.85%	0.48%	3.24%	0.00%	0.00%
SMPIX ProFunds Semiconductor UltraSector Fund Investor Class	7.30%	13.02%	0.16%	0.00%	0.00%	6.57%	0.00%	2.26%	40.03%	0.11%	0.45%	0.68%

Frequently Asked Questions

Can I hold both SMPIX and RYJSX in my portfolio?

SMPIX and RYJSX have a correlation of 0.61, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SMPIX or RYJSX?

SMPIX has higher volatility (23.93%) compared to RYJSX (20.99%). In terms of maximum drawdown, SMPIX dropped -94.52% vs RYJSX's -63.60%.

Which has better risk-adjusted returns?

SMPIX currently has the higher Sharpe Ratio (3.30 vs 2.73), 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.