DLHIX vs. RYOIX

Last updated Jun 24, 2026

DLHIX (Delaware Healthcare Fund) and RYOIX (Rydex Biotechnology Fund) are both Health & Biotech Equities funds. Over the past 10 years, DLHIX returned 11.39%/yr vs 10.54%/yr for RYOIX. Their correlation of 0.84 suggests significant overlap in exposure. DLHIX charges 0.98%/yr vs 1.36%/yr for RYOIX.

Performance

DLHIX vs. RYOIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Delaware Healthcare Fund (DLHIX) 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, DLHIX achieves a -0.04% return, which is significantly lower than RYOIX's 11.45% return. Over the past 10 years, DLHIX has outperformed RYOIX with an annualized return of 11.39%, while RYOIX has yielded a comparatively lower 10.54% annualized return.

DLHIX

• 1D: 1.58%
• 1M: 0.84%
• YTD: -0.04%
• 6M: -0.79%
• 1Y: 27.14%
• 3Y*: 12.48%
• 5Y*: 7.34%
• 10Y*: 11.39%

RYOIX

• 1D: 2.06%
• 1M: 5.30%
• YTD: 11.45%
• 6M: 9.38%
• 1Y: 49.16%
• 3Y*: 15.68%
• 5Y*: 5.29%
• 10Y*: 10.54%

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

DLHIX vs. RYOIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DLHIX Delaware Healthcare Fund	-0.04%	22.27%	8.76%	5.42%	-0.99%	5.48%	12.02%	31.82%	-0.59%	32.29%
RYOIX Rydex Biotechnology Fund	11.45%	30.62%	-0.95%	6.06%	-13.04%	2.05%	21.94%	30.69%	-8.94%	29.68%

Correlation

The correlation between DLHIX and RYOIX is 0.90, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.90
Correlation (3Y) Calculated over the trailing 3-year period	0.86
Correlation (5Y) Calculated over the trailing 5-year period	0.87
Correlation (10Y) Calculated over the trailing 10-year period	0.88
Correlation (All Time) Calculated using the full available price history since Sep 28, 2007	0.84

The correlation between DLHIX and RYOIX has been stable across timeframes, ranging from 0.84 to 0.90 - a consistent structural relationship.

Return for Risk

DLHIX vs. RYOIX — Risk / Return Rank

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

DLHIX

DLHIX Risk / Return Rank: 39
DLHIX Sharpe Ratio Rank: 37
DLHIX Sortino Ratio Rank: 38
DLHIX Omega Ratio Rank: 32
DLHIX Calmar Ratio Rank: 53
DLHIX Martin Ratio Rank: 37

RYOIX

RYOIX Risk / Return Rank: 84
RYOIX Sharpe Ratio Rank: 82
RYOIX Sortino Ratio Rank: 80
RYOIX Omega Ratio Rank: 64
RYOIX Calmar Ratio Rank: 96
RYOIX Martin Ratio Rank: 96

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.

DLHIX vs. RYOIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Delaware Healthcare Fund (DLHIX) 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.

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.

	DLHIX	RYOIX	Difference
Sharpe ratio: Return per unit of total volatility	1.64	2.47	-0.83
Sortino ratio: Return per unit of downside risk	2.40	3.49	-1.09
Omega ratio: Gain probability vs. loss probability	1.28	1.41	-0.13
Calmar ratio: Return relative to maximum drawdown	2.68	5.80	-3.13
Martin ratio: Return relative to average drawdown	7.74	21.13	-13.40

DLHIX vs. RYOIX - Sharpe Ratio Comparison

The current DLHIX Sharpe Ratio is 1.64, which is lower than the RYOIX Sharpe Ratio of 2.47. The chart below compares the historical Sharpe Ratios of DLHIX 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.

Drawdowns

DLHIX vs. RYOIX - Drawdown Comparison

The maximum DLHIX drawdown since its inception was -34.64%, smaller than the maximum RYOIX drawdown of -74.43%. Use the drawdown chart below to compare losses from any high point for DLHIX and RYOIX.

Drawdown Indicators

	DLHIX	RYOIX	Difference
Max Drawdown Largest peak-to-trough decline	-34.64%	-74.43%	+39.79%
Max Drawdown (1Y) Largest decline over 1 year	-10.30%	-8.43%	-1.87%
Max Drawdown (3Y) Largest decline over 3 years	-19.79%	-23.47%	+3.68%
Max Drawdown (5Y) Largest decline over 5 years	-19.79%	-33.66%	+13.87%
Max Drawdown (10Y) Largest decline over 10 years	-25.60%	-33.66%	+8.06%
Current Drawdown Current decline from peak	-3.69%	0.00%	-3.69%
Average Drawdown Average peak-to-trough decline	-5.55%	-27.59%	+22.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.55%	2.31%	+1.24%

Volatility

DLHIX vs. RYOIX - Volatility Comparison

The current volatility for Delaware Healthcare Fund (DLHIX) is 5.32%, while Rydex Biotechnology Fund (RYOIX) has a volatility of 6.63%. This indicates that DLHIX 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

	DLHIX	RYOIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.32%	6.63%	-1.31%
Volatility (6M) Calculated over the trailing 6-month period	12.27%	15.35%	-3.08%
Volatility (1Y) Calculated over the trailing 1-year period	16.84%	19.83%	-2.99%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.02%	21.25%	-5.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.95%	23.23%	-5.28%

DLHIX vs. RYOIX - Expense Ratio Comparison

DLHIX has a 0.98% expense ratio, which is lower than RYOIX's 1.36% expense ratio.

Dividends

DLHIX vs. RYOIX - Dividend Comparison

DLHIX's dividend yield for the trailing twelve months is around 11.16%, less than RYOIX's 11.28% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DLHIX Delaware Healthcare Fund	11.16%	11.16%	14.00%	6.97%	9.16%	5.41%	6.19%	7.63%	2.11%	3.23%	8.20%	7.90%
RYOIX Rydex Biotechnology Fund	11.28%	12.57%	14.61%	0.00%	1.29%	19.39%	7.28%	8.58%	14.11%	5.38%	0.00%	1.45%

Frequently Asked Questions

Can I hold both DLHIX and RYOIX in my portfolio?

With a correlation of 0.90, DLHIX and RYOIX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, DLHIX or RYOIX?

RYOIX has higher volatility (6.63%) compared to DLHIX (5.32%). In terms of maximum drawdown, DLHIX dropped -34.64% vs RYOIX's -74.43%.

Which has better risk-adjusted returns?

RYOIX currently has the higher Sharpe Ratio (2.47 vs 1.64), 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.