DNLAX vs. DIISX

Last updated Jul 15, 2026

DNLAX (BNY Mellon Natural Resources Fund Class A) and DIISX (BNY Mellon International Stock Index Fund) are both mutual funds - DNLAX is a Energy Equities fund managed by BNY Mellon, while DIISX is a Foreign Large Cap Equities fund managed by BNY Mellon. Over the past 10 years, DNLAX returned 12.24%/yr vs 8.22%/yr for DIISX. A 0.62 correlation means they provide meaningful diversification when combined. DNLAX charges 1.14%/yr vs 0.60%/yr for DIISX.

Performance

DNLAX vs. DIISX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BNY Mellon Natural Resources Fund Class A (DNLAX) and BNY Mellon International Stock Index Fund (DIISX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DNLAX achieves a 16.93% return, which is significantly higher than DIISX's 8.97% return. Over the past 10 years, DNLAX has outperformed DIISX with an annualized return of 12.24%, while DIISX has yielded a comparatively lower 8.22% annualized return.

DNLAX

• 1D: 0.79%
• 1M: -5.04%
• 6M: 8.68%
• YTD: 16.93%
• 1Y: 31.64%
• 3Y*: 10.92%
• 5Y*: 16.33%
• 10Y*: 12.24%

DIISX

• 1D: -0.69%
• 1M: 0.04%
• 6M: 5.91%
• YTD: 8.97%
• 1Y: 19.72%
• 3Y*: 12.58%
• 5Y*: 6.91%
• 10Y*: 8.22%

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

DNLAX vs. DIISX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DNLAX BNY Mellon Natural Resources Fund Class A	16.93%	14.75%	0.86%	1.33%	33.83%	38.00%	6.30%	16.33%	-17.78%	13.69%
DIISX BNY Mellon International Stock Index Fund	8.97%	30.36%	0.36%	13.93%	-14.57%	10.85%	7.52%	21.48%	-13.92%	24.46%

Correlation

The correlation between DNLAX and DIISX is 0.49, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.49
Correlation (3Y) Calculated over the trailing 3-year period	0.51
Correlation (5Y) Calculated over the trailing 5-year period	0.54
Correlation (10Y) Calculated over the trailing 10-year period	0.61
Correlation (All Time) Calculated using the full available price history since Oct 31, 2003	0.62

The correlation between DNLAX and DIISX shifts across timeframes, from 0.49 (1 year) to 0.62 (all time), reflecting how their relationship changes across market environments.

Return for Risk

DNLAX vs. DIISX — Risk / Return Rank

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

DNLAX

DNLAX Risk / Return Rank: 55
DNLAX Sharpe Ratio Rank: 53
DNLAX Sortino Ratio Rank: 47
DNLAX Omega Ratio Rank: 46
DNLAX Calmar Ratio Rank: 75
DNLAX Martin Ratio Rank: 55

DIISX

DIISX Risk / Return Rank: 35
DIISX Sharpe Ratio Rank: 34
DIISX Sortino Ratio Rank: 36
DIISX Omega Ratio Rank: 34
DIISX Calmar Ratio Rank: 33
DIISX Martin Ratio Rank: 35

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.

DNLAX vs. DIISX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BNY Mellon Natural Resources Fund Class A (DNLAX) and BNY Mellon International Stock Index Fund (DIISX). 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.

	DNLAX	DIISX	Difference
Sharpe ratio: Return per unit of total volatility	1.62	1.27	+0.35
Sortino ratio: Return per unit of downside risk	2.18	1.90	+0.28
Omega ratio: Gain probability vs. loss probability	1.28	1.23	+0.05
Calmar ratio: Return relative to maximum drawdown	2.70	1.70	+1.00
Martin ratio: Return relative to average drawdown	8.75	6.11	+2.63

DNLAX vs. DIISX - Sharpe Ratio Comparison

The current DNLAX Sharpe Ratio is 1.62, which is comparable to the DIISX Sharpe Ratio of 1.27. The chart below compares the historical Sharpe Ratios of DNLAX and DIISX, 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

DNLAX vs. DIISX - Drawdown Comparison

The maximum DNLAX drawdown since its inception was -69.14%, which is greater than DIISX's maximum drawdown of -60.03%. Use the drawdown chart below to compare losses from any high point for DNLAX and DIISX.

Drawdown Indicators

	DNLAX	DIISX	Difference
Max Drawdown Largest peak-to-trough decline	-69.14%	-60.03%	-9.11%
Max Drawdown (1Y) Largest decline over 1 year	-11.28%	-11.40%	+0.12%
Max Drawdown (3Y) Largest decline over 3 years	-32.37%	-16.26%	-16.11%
Max Drawdown (5Y) Largest decline over 5 years	-32.37%	-29.46%	-2.91%
Max Drawdown (10Y) Largest decline over 10 years	-54.45%	-34.08%	-20.37%
Current Drawdown Current decline from peak	-8.41%	-2.11%	-6.30%
Average Drawdown Average peak-to-trough decline	-21.48%	-14.77%	-6.71%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.49%	3.17%	+0.32%

Volatility

DNLAX vs. DIISX - Volatility Comparison

BNY Mellon Natural Resources Fund Class A (DNLAX) and BNY Mellon International Stock Index Fund (DIISX) have volatilities of 4.98% and 5.16%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DNLAX	DIISX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.98%	5.16%	-0.18%
Volatility (6M) Calculated over the trailing 6-month period	14.16%	13.00%	+1.16%
Volatility (1Y) Calculated over the trailing 1-year period	18.85%	15.35%	+3.50%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.60%	16.14%	+9.46%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.48%	16.32%	+9.16%

DNLAX vs. DIISX - Expense Ratio Comparison

DNLAX has a 1.14% expense ratio, which is higher than DIISX's 0.60% expense ratio.

Dividends

DNLAX vs. DIISX - Dividend Comparison

DNLAX's dividend yield for the trailing twelve months is around 1.88%, less than DIISX's 4.21% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DIISX BNY Mellon International Stock Index Fund	4.21%	4.58%	0.27%	0.29%	2.23%	3.42%	1.62%	2.80%	2.66%	2.17%	2.89%	2.12%
DNLAX BNY Mellon Natural Resources Fund Class A	1.88%	2.19%	7.75%	12.54%	9.80%	5.04%	0.91%	1.95%	1.53%	0.40%	1.26%	0.98%

Frequently Asked Questions

Can I hold both DNLAX and DIISX in my portfolio?

DNLAX and DIISX have a correlation of 0.49, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DNLAX or DIISX?

DIISX has higher volatility (5.16%) compared to DNLAX (4.98%). In terms of maximum drawdown, DNLAX dropped -69.14% vs DIISX's -60.03%.

Which has better risk-adjusted returns?

DNLAX currently has the higher Sharpe Ratio (1.62 vs 1.27), 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.