RYVIX vs. DLDRX

Last updated Jun 3, 2026

RYVIX (Rydex Energy Services Fund) and DLDRX (BNY Mellon Natural Resources Fund) are both Energy Equities funds. Over the past 10 years, RYVIX returned -2.12%/yr vs 14.07%/yr for DLDRX. Their correlation of 0.86 suggests significant overlap in exposure. RYVIX charges 1.36%/yr vs 0.91%/yr for DLDRX.

Performance

RYVIX vs. DLDRX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Rydex Energy Services Fund (RYVIX) and BNY Mellon Natural Resources Fund (DLDRX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RYVIX achieves a 46.69% return, which is significantly higher than DLDRX's 25.52% return. Over the past 10 years, RYVIX has underperformed DLDRX with an annualized return of -2.12%, while DLDRX has yielded a comparatively higher 14.07% annualized return.

RYVIX

• 1D: 0.52%
• 1M: -5.50%
• YTD: 46.69%
• 6M: 47.14%
• 1Y: 91.08%
• 3Y*: 17.29%
• 5Y*: 10.48%
• 10Y*: -2.12%

DLDRX

• 1D: 1.00%
• 1M: 1.07%
• YTD: 25.52%
• 6M: 30.23%
• 1Y: 53.26%
• 3Y*: 16.25%
• 5Y*: 15.77%
• 10Y*: 14.07%

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

RYVIX vs. DLDRX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RYVIX Rydex Energy Services Fund	46.69%	2.29%	-7.73%	4.45%	43.02%	17.12%	-36.94%	-0.41%	-45.58%	-18.85%
DLDRX BNY Mellon Natural Resources Fund	25.52%	15.04%	0.81%	1.58%	34.18%	38.30%	6.58%	16.64%	-17.57%	14.05%

Correlation

The correlation between RYVIX and DLDRX is 0.70, 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	0.70
Correlation (3Y) Calculated over the trailing 3-year period	0.79
Correlation (5Y) Calculated over the trailing 5-year period	0.84
Correlation (10Y) Calculated over the trailing 10-year period	0.81
Correlation (All Time) Calculated using the full available price history since Nov 3, 2003	0.86

The correlation between RYVIX and DLDRX shifts across timeframes, from 0.70 (1 year) to 0.86 (all time), reflecting how their relationship changes across market environments.

Return for Risk

RYVIX vs. DLDRX — Risk / Return Rank

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

RYVIX

RYVIX Risk / Return Rank: 89
RYVIX Sharpe Ratio Rank: 95
RYVIX Sortino Ratio Rank: 83
RYVIX Omega Ratio Rank: 74
RYVIX Calmar Ratio Rank: 98
RYVIX Martin Ratio Rank: 96

DLDRX

DLDRX Risk / Return Rank: 89
DLDRX Sharpe Ratio Rank: 91
DLDRX Sortino Ratio Rank: 82
DLDRX Omega Ratio Rank: 77
DLDRX Calmar Ratio Rank: 97
DLDRX Martin Ratio Rank: 95

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.

RYVIX vs. DLDRX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Rydex Energy Services Fund (RYVIX) and BNY Mellon Natural Resources Fund (DLDRX). 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.

	RYVIX	DLDRX	Difference
Sharpe ratio Return per unit of total volatility	3.28	3.05	+0.23
Sortino ratio Return per unit of downside risk	3.92	3.89	+0.03
Omega ratio Gain probability vs. loss probability	1.49	1.50	-0.01
Calmar ratio Return relative to maximum drawdown	9.56	7.18	+2.38
Martin ratio Return relative to average drawdown	24.47	22.68	+1.79
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RYVIX vs. DLDRX - Sharpe Ratio Comparison

The current RYVIX Sharpe Ratio is 3.28, which is comparable to the DLDRX Sharpe Ratio of 3.05. The chart below compares the historical Sharpe Ratios of RYVIX and DLDRX, 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

	RYVIX	DLDRX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.28	3.05	+0.23
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.30	0.62	-0.32
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.05	0.55	-0.61
Sharpe Ratio (All Time) Calculated using the full available price history	0.05	0.40	-0.36

Drawdowns

RYVIX vs. DLDRX - Drawdown Comparison

The maximum RYVIX drawdown since its inception was -94.06%, which is greater than DLDRX's maximum drawdown of -69.13%. Use the drawdown chart below to compare losses from any high point for RYVIX and DLDRX.

Drawdown Indicators

	RYVIX	DLDRX	Difference
Max Drawdown Largest peak-to-trough decline	-94.06%	-69.13%	-24.93%
Max Drawdown (1Y) Largest decline over 1 year	-9.43%	-7.49%	-1.94%
Max Drawdown (3Y) Largest decline over 3 years	-43.86%	-32.44%	-11.42%
Max Drawdown (5Y) Largest decline over 5 years	-43.86%	-32.44%	-11.42%
Max Drawdown (10Y) Largest decline over 10 years	-88.04%	-54.24%	-33.80%
Current Drawdown Current decline from peak	-68.38%	-1.19%	-67.19%
Average Drawdown Average peak-to-trough decline	-46.17%	-20.77%	-25.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.68%	2.37%	+1.31%

Volatility

RYVIX vs. DLDRX - Volatility Comparison

Rydex Energy Services Fund (RYVIX) has a higher volatility of 7.59% compared to BNY Mellon Natural Resources Fund (DLDRX) at 4.36%. This indicates that RYVIX's price experiences larger fluctuations and is considered to be riskier than DLDRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RYVIX	DLDRX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.59%	4.36%	+3.23%
Volatility (6M) Calculated over the trailing 6-month period	19.71%	13.42%	+6.29%
Volatility (1Y) Calculated over the trailing 1-year period	28.87%	18.11%	+10.76%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	35.20%	25.64%	+9.56%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	40.32%	25.49%	+14.83%

RYVIX vs. DLDRX - Expense Ratio Comparison

RYVIX has a 1.36% expense ratio, which is higher than DLDRX's 0.91% expense ratio.

Dividends

RYVIX vs. DLDRX - Dividend Comparison

RYVIX's dividend yield for the trailing twelve months is around 0.37%, less than DLDRX's 1.86% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DLDRX BNY Mellon Natural Resources Fund	1.86%	2.33%	7.45%	12.42%	9.66%	5.07%	1.11%	2.16%	1.87%	0.63%	1.44%	1.25%
RYVIX Rydex Energy Services Fund	0.37%	0.54%	0.00%	0.00%	0.00%	0.30%	1.30%	0.11%	1.48%	0.88%	0.71%	1.19%

Frequently Asked Questions

Can I hold both RYVIX and DLDRX in my portfolio?

RYVIX and DLDRX have a correlation of 0.70, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RYVIX or DLDRX?

RYVIX has higher volatility (7.59%) compared to DLDRX (4.36%). In terms of maximum drawdown, RYVIX dropped -94.06% vs DLDRX's -69.13%.

Which has better risk-adjusted returns?

RYVIX currently has the higher Sharpe Ratio (3.28 vs 3.05), 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.