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Performance
Performance Chart
The chart shows the growth of an initial investment of $10,000 in Rydex Biotechnology Fund, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.
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Returns By Period
Rydex Biotechnology Fund (RYOIX) has returned -2.83% so far this year and 28.65% over the past 12 months. Over the last ten years, RYOIX has returned 8.46% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.
Rydex Biotechnology Fund
- 1D
- 1.00%
- 1M
- -6.92%
- YTD
- -2.83%
- 6M
- 11.88%
- 1Y
- 28.65%
- 3Y*
- 10.88%
- 5Y*
- 3.74%
- 10Y*
- 8.46%
Benchmark (S&P 500 Index)
- 1D
- 2.91%
- 1M
- -5.09%
- YTD
- -4.63%
- 6M
- -2.39%
- 1Y
- 16.33%
- 3Y*
- 16.69%
- 5Y*
- 10.18%
- 10Y*
- 12.16%
Monthly Returns
Based on dividend-adjusted daily data since Jan 4, 1999, RYOIX's average daily return is +0.06%, while the average monthly return is +1.10%. At this rate, your investment would double in approximately 5.3 years.
Historically, 56% of months were positive and 44% were negative. The best month was Feb 2000 with a return of +45.3%, while the worst month was Mar 2000 at -26.7%. The longest winning streak lasted 7 consecutive months, and the longest losing streak was 4 months.
On a daily basis, RYOIX closed higher 51% of trading days. The best single day was Oct 13, 2008 with a return of +11.7%, while the worst single day was Mar 14, 2000 at -13.1%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2.11% | 2.24% | -6.92% | -2.83% | |||||||||
| 2025 | 5.41% | -0.25% | -6.18% | 0.33% | -3.60% | 3.27% | 4.09% | 4.90% | 5.45% | 8.84% | 8.10% | -2.14% | 30.62% |
| 2024 | -1.30% | 2.19% | -0.07% | -7.29% | 5.25% | 4.63% | 6.05% | 1.74% | -2.77% | -1.44% | 1.12% | -7.94% | -0.95% |
| 2023 | 2.26% | -4.48% | 0.13% | 1.79% | -2.56% | 0.93% | 0.94% | -0.46% | -4.30% | -6.10% | 6.19% | 12.98% | 6.06% |
| 2022 | -10.49% | -3.08% | 3.88% | -9.95% | -0.33% | 0.00% | 5.24% | -3.63% | -3.52% | 7.83% | 6.41% | -4.26% | -13.04% |
| 2021 | 5.28% | -2.16% | -4.42% | 4.33% | -3.40% | 9.21% | -1.55% | 3.76% | -5.22% | 0.25% | -4.43% | 1.52% | 2.05% |
Benchmark Metrics
Rydex Biotechnology Fund has an annualized alpha of 6.27%, beta of 1.01, and R² of 0.44 versus S&P 500 Index. Calculated based on daily prices since January 05, 1999.
- This fund captured 112.25% of S&P 500 Index gains but only 93.73% of its losses — a favorable profile for investors.
- R² of 0.44 means the benchmark explains less than half of this fund's behavior — treat beta with caution or consider switching to a more representative benchmark.
- Alpha
- 6.27%
- Beta
- 1.01
- R²
- 0.44
- Upside Capture
- 112.25%
- Downside Capture
- 93.73%
Expense Ratio
RYOIX has a high expense ratio of 1.36%, indicating above-average management fees.
Return for Risk
Risk / Return Rank
RYOIX ranks 63 for risk / return — better than 63% of mutual funds on our site. You're getting solid returns for the risk taken. A good sign, especially for investors who want growth without excessive volatility.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for Rydex Biotechnology Fund (RYOIX) and compare them to a chosen benchmark (S&P 500 Index).
| RYOIX | Benchmark | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.14 | 0.90 | +0.24 |
Sortino ratioReturn per unit of downside risk | 1.64 | 1.39 | +0.26 |
Omega ratioGain probability vs. loss probability | 1.21 | 1.21 | 0.00 |
Calmar ratioReturn relative to maximum drawdown | 1.71 | 1.40 | +0.31 |
Martin ratioReturn relative to average drawdown | 6.79 | 6.61 | +0.19 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Explore RYOIX risk-adjusted metrics in detail
Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.
Dividends
Dividend History
Rydex Biotechnology Fund provided a 12.93% dividend yield over the last twelve months, with an annual payout of $9.41 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $9.41 | $9.41 | $9.42 | $0.00 | $0.90 | $15.77 | $6.95 | $7.20 | $9.89 | $4.70 | $0.00 | $1.28 |
Dividend yield | 12.93% | 12.57% | 14.61% | 0.00% | 1.29% | 19.39% | 7.28% | 8.58% | 14.11% | 5.38% | 0.00% | 1.45% |
Monthly Dividends
The table displays the monthly dividend distributions for Rydex Biotechnology Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.00 | $0.00 | $0.00 | |||||||||
| 2025 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $9.41 | $9.41 |
| 2024 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $9.42 | $9.42 |
| 2023 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 |
| 2022 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.90 | $0.90 |
| 2021 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $15.77 | $15.77 |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the Rydex Biotechnology Fund. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the Rydex Biotechnology Fund was 74.43%, occurring on Jul 10, 2002. Recovery took 2567 trading sessions.
The current Rydex Biotechnology Fund drawdown is 7.52%.
Depth | Start | To Bottom | Bottom | To Recover | End | Total |
|---|---|---|---|---|---|---|
| -74.43% | Mar 7, 2000 | 587 | Jul 10, 2002 | 2567 | Sep 17, 2012 | 3154 |
| -40.76% | Jul 20, 2015 | 144 | Feb 11, 2016 | 964 | Dec 10, 2019 | 1108 |
| -33.66% | Sep 3, 2021 | 195 | Jun 13, 2022 | 841 | Oct 20, 2025 | 1036 |
| -25.73% | Dec 26, 2019 | 55 | Mar 16, 2020 | 37 | May 7, 2020 | 92 |
| -23.25% | Feb 26, 2014 | 34 | Apr 14, 2014 | 134 | Oct 23, 2014 | 168 |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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