RYOIX vs. RYTNX

Last updated Apr 1, 2026

Compare and contrast key facts about Rydex Biotechnology Fund (RYOIX) and Rydex S&P 500 2x Strategy Fund (RYTNX).

RYOIX is managed by Rydex Funds. It was launched on Mar 31, 1998. RYTNX is managed by Rydex Funds. It was launched on May 18, 2000.

Performance

RYOIX vs. RYTNX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Rydex Biotechnology Fund (RYOIX) and Rydex S&P 500 2x Strategy Fund (RYTNX). The values are adjusted to include any dividend payments, if applicable.

RYOIX vs. RYTNX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RYOIX Rydex Biotechnology Fund	-2.83%	30.62%	-0.95%	6.06%	-13.04%	2.05%	21.94%	30.69%	-8.94%	29.68%
RYTNX Rydex S&P 500 2x Strategy Fund	-15.39%	24.88%	41.95%	45.20%	-39.32%	55.55%	20.31%	62.29%	-15.06%	42.95%

Returns By Period

In the year-to-date period, RYOIX achieves a -2.83% return, which is significantly higher than RYTNX's -15.39% return. Over the past 10 years, RYOIX has underperformed RYTNX with an annualized return of 8.46%, while RYTNX has yielded a comparatively higher 19.00% annualized return.

RYOIX

• 1D: 1.00%
• 1M: -6.92%
• YTD: -2.83%
• 6M: 11.88%
• 1Y: 28.65%
• 3Y*: 10.88%
• 5Y*: 3.74%
• 10Y*: 8.46%

RYTNX

• 1D: -0.78%
• 1M: -15.42%
• YTD: -15.39%
• 6M: -12.80%
• 1Y: 18.10%
• 3Y*: 24.54%
• 5Y*: 13.04%
• 10Y*: 19.00%

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

RYOIX vs. RYTNX - Expense Ratio Comparison

RYOIX has a 1.36% expense ratio, which is lower than RYTNX's 1.82% expense ratio.

RYTNX

Rydex S&P 500 2x Strategy Fund

RYOIX

Rydex Biotechnology Fund

Return for Risk

RYOIX vs. RYTNX — Risk / Return Rank

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

RYOIX

RYOIX Risk / Return Rank: 64
RYOIX Sharpe Ratio Rank: 63
RYOIX Sortino Ratio Rank: 64
RYOIX Omega Ratio Rank: 50
RYOIX Calmar Ratio Rank: 73
RYOIX Martin Ratio Rank: 71

RYTNX

RYTNX Risk / Return Rank: 25
RYTNX Sharpe Ratio Rank: 21
RYTNX Sortino Ratio Rank: 27
RYTNX Omega Ratio Rank: 29
RYTNX Calmar Ratio Rank: 21
RYTNX Martin Ratio Rank: 25

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.

RYOIX vs. RYTNX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Rydex Biotechnology Fund (RYOIX) and Rydex S&P 500 2x Strategy Fund (RYTNX). 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.

	RYOIX	RYTNX	Difference
Sharpe ratio Return per unit of total volatility	1.14	0.54	+0.60
Sortino ratio Return per unit of downside risk	1.64	0.99	+0.65
Omega ratio Gain probability vs. loss probability	1.21	1.15	+0.06
Calmar ratio Return relative to maximum drawdown	1.71	0.63	+1.08
Martin ratio Return relative to average drawdown	6.79	2.73	+4.07
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RYOIX vs. RYTNX - Sharpe Ratio Comparison

The current RYOIX Sharpe Ratio is 1.14, which is higher than the RYTNX Sharpe Ratio of 0.54. The chart below compares the historical Sharpe Ratios of RYOIX and RYTNX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	RYOIX	RYTNX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.14	0.54	+0.60
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.18	0.39	-0.21
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.36	0.53	-0.16
Sharpe Ratio (All Time) Calculated using the full available price history	0.35	0.22	+0.14

Correlation

The correlation between RYOIX and RYTNX is 0.67, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

RYOIX vs. RYTNX - Dividend Comparison

RYOIX's dividend yield for the trailing twelve months is around 12.93%, more than RYTNX's 5.66% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RYOIX Rydex Biotechnology Fund	12.93%	12.57%	14.61%	0.00%	1.29%	19.39%	7.28%	8.58%	14.11%	5.38%	0.00%	1.45%
RYTNX Rydex S&P 500 2x Strategy Fund	5.66%	4.79%	5.45%	0.14%	0.00%	0.14%	0.69%	1.84%	0.00%	5.84%	0.16%	1.52%

Drawdowns

RYOIX vs. RYTNX - Drawdown Comparison

The maximum RYOIX drawdown since its inception was -74.43%, smaller than the maximum RYTNX drawdown of -86.64%. Use the drawdown chart below to compare losses from any high point for RYOIX and RYTNX.

Drawdown Indicators

	RYOIX	RYTNX	Difference
Max Drawdown Largest peak-to-trough decline	-74.43%	-86.64%	+12.21%
Max Drawdown (1Y) Largest decline over 1 year	-12.10%	-23.40%	+11.30%
Max Drawdown (5Y) Largest decline over 5 years	-33.66%	-47.01%	+13.35%
Max Drawdown (10Y) Largest decline over 10 years	-33.66%	-59.23%	+25.57%
Current Drawdown Current decline from peak	-7.52%	-18.43%	+10.91%
Average Drawdown Average peak-to-trough decline	-27.81%	-28.72%	+0.91%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.65%	5.37%	-1.72%

Volatility

RYOIX vs. RYTNX - Volatility Comparison

The current volatility for Rydex Biotechnology Fund (RYOIX) is 6.76%, while Rydex S&P 500 2x Strategy Fund (RYTNX) has a volatility of 8.52%. This indicates that RYOIX experiences smaller price fluctuations and is considered to be less risky than RYTNX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RYOIX	RYTNX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.76%	8.52%	-1.76%
Volatility (6M) Calculated over the trailing 6-month period	13.23%	18.16%	-4.93%
Volatility (1Y) Calculated over the trailing 1-year period	22.95%	36.23%	-13.28%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.08%	33.67%	-12.59%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.33%	36.08%	-12.75%