WMGAX vs. IGNAX

Last updated Jun 5, 2026

WMGAX (Delaware Ivy Mid Cap Growth Fund) and IGNAX (Delaware Ivy Natural Resources Fund) are both mutual funds - WMGAX is a Mid Cap Growth Equities fund managed by Delaware Funds, while IGNAX is a Energy Equities fund managed by Delaware Funds. Over the past 10 years, WMGAX returned 11.41%/yr vs 7.81%/yr for IGNAX. A 0.61 correlation means they provide meaningful diversification when combined. WMGAX charges 1.12%/yr vs 1.82%/yr for IGNAX.

Performance

WMGAX vs. IGNAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Delaware Ivy Mid Cap Growth Fund (WMGAX) and Delaware Ivy Natural Resources Fund (IGNAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, WMGAX achieves a 2.93% return, which is significantly lower than IGNAX's 20.34% return. Over the past 10 years, WMGAX has outperformed IGNAX with an annualized return of 11.41%, while IGNAX has yielded a comparatively lower 7.81% annualized return.

WMGAX

• 1D: -0.51%
• 1M: 4.26%
• YTD: 2.93%
• 6M: -0.00%
• 1Y: 4.92%
• 3Y*: 7.07%
• 5Y*: 0.81%
• 10Y*: 11.41%

IGNAX

• 1D: -0.36%
• 1M: 0.98%
• YTD: 20.34%
• 6M: 22.67%
• 1Y: 55.44%
• 3Y*: 20.65%
• 5Y*: 15.01%
• 10Y*: 7.81%

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

WMGAX vs. IGNAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
WMGAX Delaware Ivy Mid Cap Growth Fund	2.93%	0.83%	10.02%	19.97%	-30.68%	16.22%	48.56%	38.01%	-0.20%	26.95%
IGNAX Delaware Ivy Natural Resources Fund	20.34%	38.01%	-0.56%	1.26%	17.52%	26.06%	-12.38%	9.24%	-23.79%	2.89%

Correlation

The correlation between WMGAX and IGNAX is 0.41, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.41
Correlation (3Y) Calculated over the trailing 3-year period	0.54
Correlation (5Y) Calculated over the trailing 5-year period	0.54
Correlation (10Y) Calculated over the trailing 10-year period	0.56
Correlation (All Time) Calculated using the full available price history since Jul 3, 2000	0.61

Over the past year, the correlation between WMGAX and IGNAX has dropped to 0.41 - well below their long-term average of 0.61, suggesting their price drivers have been diverging.

Return for Risk

WMGAX vs. IGNAX — Risk / Return Rank

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

WMGAX

WMGAX Risk / Return Rank: 5
WMGAX Sharpe Ratio Rank: 5
WMGAX Sortino Ratio Rank: 5
WMGAX Omega Ratio Rank: 4
WMGAX Calmar Ratio Rank: 5
WMGAX Martin Ratio Rank: 5

IGNAX

IGNAX Risk / Return Rank: 91
IGNAX Sharpe Ratio Rank: 94
IGNAX Sortino Ratio Rank: 84
IGNAX Omega Ratio Rank: 83
IGNAX Calmar Ratio Rank: 98
IGNAX Martin Ratio Rank: 98

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.

WMGAX vs. IGNAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Delaware Ivy Mid Cap Growth Fund (WMGAX) and Delaware Ivy Natural Resources Fund (IGNAX). 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.

	WMGAX	IGNAX	Difference
Sharpe ratio: Return per unit of total volatility	0.30	3.24	-2.94
Sortino ratio: Return per unit of downside risk	0.57	3.98	-3.42
Omega ratio: Gain probability vs. loss probability	1.06	1.55	-0.49
Calmar ratio: Return relative to maximum drawdown	0.32	9.48	-9.16
Martin ratio: Return relative to average drawdown	0.89	30.28	-29.38
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

WMGAX vs. IGNAX - Sharpe Ratio Comparison

The current WMGAX Sharpe Ratio is 0.30, which is lower than the IGNAX Sharpe Ratio of 3.24. The chart below compares the historical Sharpe Ratios of WMGAX and IGNAX, 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

	WMGAX	IGNAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.30	3.24	-2.94
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.03	0.69	-0.66
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.49	0.35	+0.15
Sharpe Ratio (All Time) Calculated using the full available price history	0.39	0.22	+0.17

Drawdowns

WMGAX vs. IGNAX - Drawdown Comparison

The maximum WMGAX drawdown since its inception was -53.74%, smaller than the maximum IGNAX drawdown of -77.49%. Use the drawdown chart below to compare losses from any high point for WMGAX and IGNAX.

Drawdown Indicators

	WMGAX	IGNAX	Difference
Max Drawdown Largest peak-to-trough decline	-53.74%	-77.49%	+23.75%
Max Drawdown (1Y) Largest decline over 1 year	-16.16%	-5.89%	-10.27%
Max Drawdown (3Y) Largest decline over 3 years	-26.59%	-22.86%	-3.73%
Max Drawdown (5Y) Largest decline over 5 years	-42.95%	-24.79%	-18.16%
Max Drawdown (10Y) Largest decline over 10 years	-42.95%	-57.95%	+15.00%
Current Drawdown Current decline from peak	-14.66%	-8.01%	-6.65%
Average Drawdown Average peak-to-trough decline	-13.62%	-35.68%	+22.06%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.85%	1.84%	+4.01%

Volatility

WMGAX vs. IGNAX - Volatility Comparison

Delaware Ivy Mid Cap Growth Fund (WMGAX) and Delaware Ivy Natural Resources Fund (IGNAX) have volatilities of 4.43% and 4.31%, 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

	WMGAX	IGNAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.43%	4.31%	+0.12%
Volatility (6M) Calculated over the trailing 6-month period	13.18%	13.21%	-0.03%
Volatility (1Y) Calculated over the trailing 1-year period	17.36%	17.25%	+0.11%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.06%	21.91%	+3.15%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.18%	22.48%	+0.70%

WMGAX vs. IGNAX - Expense Ratio Comparison

WMGAX has a 1.12% expense ratio, which is lower than IGNAX's 1.82% expense ratio.

Dividends

WMGAX vs. IGNAX - Dividend Comparison

WMGAX's dividend yield for the trailing twelve months is around 10.78%, while IGNAX has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IGNAX Delaware Ivy Natural Resources Fund	0.00%	0.00%	5.68%	1.94%	2.02%	2.30%	0.29%	1.75%	0.00%	0.00%	0.06%	0.00%
WMGAX Delaware Ivy Mid Cap Growth Fund	10.78%	11.10%	15.30%	6.66%	11.94%	13.08%	9.97%	5.23%	10.28%	7.92%	3.98%	10.88%

Frequently Asked Questions

Can I hold both WMGAX and IGNAX in my portfolio?

WMGAX and IGNAX have a correlation of 0.41, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, WMGAX or IGNAX?

WMGAX has higher volatility (4.43%) compared to IGNAX (4.31%). In terms of maximum drawdown, WMGAX dropped -53.74% vs IGNAX's -77.49%.

Which has better risk-adjusted returns?

IGNAX currently has the higher Sharpe Ratio (3.24 vs 0.30), 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.