RYRRX vs. RYOIX

Last updated Jun 5, 2026

RYRRX (Rydex Russell 2000 Fund) and RYOIX (Rydex Biotechnology Fund) are both mutual funds - RYRRX is a Small Cap Blend Equities fund managed by Rydex Funds, while RYOIX is a Health & Biotech Equities fund managed by Rydex Funds. Over the past 10 years, RYRRX returned 9.21%/yr vs 8.65%/yr for RYOIX. A 0.71 correlation means they provide meaningful diversification when combined. RYRRX charges 1.60%/yr vs 1.36%/yr for RYOIX.

Performance

RYRRX vs. RYOIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Rydex Russell 2000 Fund (RYRRX) and Rydex Biotechnology Fund (RYOIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RYRRX achieves a 16.29% return, which is significantly higher than RYOIX's 5.14% return. Over the past 10 years, RYRRX has outperformed RYOIX with an annualized return of 9.21%, while RYOIX has yielded a comparatively lower 8.65% annualized return.

RYRRX

• 1D: -1.33%
• 1M: 1.83%
• YTD: 16.29%
• 6M: 13.99%
• 1Y: 37.21%
• 3Y*: 16.14%
• 5Y*: 4.59%
• 10Y*: 9.21%

RYOIX

• 1D: 2.01%
• 1M: 1.10%
• YTD: 5.14%
• 6M: 3.26%
• 1Y: 40.03%
• 3Y*: 13.42%
• 5Y*: 5.10%
• 10Y*: 8.65%

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

RYRRX vs. RYOIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RYRRX Rydex Russell 2000 Fund	16.29%	10.88%	9.72%	15.17%	-21.70%	13.23%	17.81%	23.57%	-12.58%	12.88%
RYOIX Rydex Biotechnology Fund	5.14%	30.62%	-0.95%	6.06%	-13.04%	2.05%	21.94%	30.69%	-8.94%	29.68%

Correlation

The correlation between RYRRX and RYOIX is 0.58, 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	0.58
Correlation (3Y) Calculated over the trailing 3-year period	0.67
Correlation (5Y) Calculated over the trailing 5-year period	0.71
Correlation (10Y) Calculated over the trailing 10-year period	0.68
Correlation (All Time) Calculated using the full available price history since Jan 4, 2007	0.71

The correlation between RYRRX and RYOIX shifts across timeframes, from 0.58 (1 year) to 0.71 (all time), reflecting how their relationship changes across market environments.

Return for Risk

RYRRX vs. RYOIX — Risk / Return Rank

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

RYRRX

RYRRX Risk / Return Rank: 51
RYRRX Sharpe Ratio Rank: 45
RYRRX Sortino Ratio Rank: 43
RYRRX Omega Ratio Rank: 37
RYRRX Calmar Ratio Rank: 73
RYRRX Martin Ratio Rank: 58

RYOIX

RYOIX Risk / Return Rank: 66
RYOIX Sharpe Ratio Rank: 52
RYOIX Sortino Ratio Rank: 53
RYOIX Omega Ratio Rank: 44
RYOIX Calmar Ratio Rank: 92
RYOIX Martin Ratio Rank: 89

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.

RYRRX vs. RYOIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Rydex Russell 2000 Fund (RYRRX) and Rydex Biotechnology Fund (RYOIX). 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.

	RYRRX	RYOIX	Difference
Sharpe ratio: Return per unit of total volatility	1.94	2.10	-0.16
Sortino ratio: Return per unit of downside risk	2.71	3.02	-0.31
Omega ratio: Gain probability vs. loss probability	1.32	1.35	-0.03
Calmar ratio: Return relative to maximum drawdown	3.24	4.81	-1.57
Martin ratio: Return relative to average drawdown	11.46	17.27	-5.81
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RYRRX vs. RYOIX - Sharpe Ratio Comparison

The current RYRRX Sharpe Ratio is 1.94, which is comparable to the RYOIX Sharpe Ratio of 2.10. The chart below compares the historical Sharpe Ratios of RYRRX and RYOIX, 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

	RYRRX	RYOIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.94	2.10	-0.16
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.20	0.24	-0.04
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.39	0.37	+0.02
Sharpe Ratio (All Time) Calculated using the full available price history	0.26	0.36	-0.10

Drawdowns

RYRRX vs. RYOIX - Drawdown Comparison

The maximum RYRRX drawdown since its inception was -60.36%, smaller than the maximum RYOIX drawdown of -74.43%. Use the drawdown chart below to compare losses from any high point for RYRRX and RYOIX.

Drawdown Indicators

	RYRRX	RYOIX	Difference
Max Drawdown Largest peak-to-trough decline	-60.36%	-74.43%	+14.07%
Max Drawdown (1Y) Largest decline over 1 year	-11.43%	-8.43%	-3.00%
Max Drawdown (3Y) Largest decline over 3 years	-28.03%	-23.47%	-4.56%
Max Drawdown (5Y) Largest decline over 5 years	-33.02%	-33.66%	+0.64%
Max Drawdown (10Y) Largest decline over 10 years	-42.84%	-33.66%	-9.18%
Current Drawdown Current decline from peak	-1.47%	-2.56%	+1.09%
Average Drawdown Average peak-to-trough decline	-12.23%	-27.64%	+15.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.23%	2.35%	+0.88%

Volatility

RYRRX vs. RYOIX - Volatility Comparison

The current volatility for Rydex Russell 2000 Fund (RYRRX) is 5.79%, while Rydex Biotechnology Fund (RYOIX) has a volatility of 6.61%. This indicates that RYRRX experiences smaller price fluctuations and is considered to be less risky than RYOIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RYRRX	RYOIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.79%	6.61%	-0.82%
Volatility (6M) Calculated over the trailing 6-month period	13.57%	14.81%	-1.24%
Volatility (1Y) Calculated over the trailing 1-year period	19.18%	19.39%	-0.21%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.57%	21.23%	+1.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.45%	23.23%	+0.22%

RYRRX vs. RYOIX - Expense Ratio Comparison

RYRRX has a 1.60% expense ratio, which is higher than RYOIX's 1.36% expense ratio.

Dividends

RYRRX vs. RYOIX - Dividend Comparison

RYRRX's dividend yield for the trailing twelve months is around 0.56%, less than RYOIX's 11.95% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RYOIX Rydex Biotechnology Fund	11.95%	12.57%	14.61%	0.00%	1.29%	19.39%	7.28%	8.58%	14.11%	5.38%	0.00%	1.45%
RYRRX Rydex Russell 2000 Fund	0.56%	0.65%	1.02%	0.19%	0.00%	12.84%	0.00%	1.46%	0.00%	4.82%	0.00%	2.66%

Frequently Asked Questions

Can I hold both RYRRX and RYOIX in my portfolio?

RYRRX and RYOIX have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RYRRX or RYOIX?

RYOIX has higher volatility (6.61%) compared to RYRRX (5.79%). In terms of maximum drawdown, RYRRX dropped -60.36% vs RYOIX's -74.43%.

Which has better risk-adjusted returns?

RYOIX currently has the higher Sharpe Ratio (2.10 vs 1.94), 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.