IEYYX vs. VGENX
IEYYX (Delaware Ivy Energy Fund) and VGENX (Vanguard Energy Opportunities Fund Investor Shares) are both Energy Equities funds. Over the past 10 years, IEYYX returned 1.48%/yr vs 9.08%/yr for VGENX. Their correlation of 0.92 suggests significant overlap in exposure. IEYYX charges 1.28%/yr vs 0.45%/yr for VGENX.
Performance
IEYYX vs. VGENX - Performance Comparison
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Returns By Period
The year-to-date returns for both stocks are quite close, with IEYYX having a 16.88% return and VGENX slightly lower at 16.60%. Over the past 10 years, IEYYX has underperformed VGENX with an annualized return of 1.48%, while VGENX has yielded a comparatively higher 9.08% annualized return.
IEYYX
- 1D
- 0.39%
- 1M
- -1.83%
- YTD
- 16.88%
- 6M
- 16.35%
- 1Y
- 40.01%
- 3Y*
- 12.00%
- 5Y*
- 14.06%
- 10Y*
- 1.48%
VGENX
- 1D
- 0.97%
- 1M
- -4.94%
- YTD
- 16.60%
- 6M
- 16.98%
- 1Y
- 25.71%
- 3Y*
- 26.91%
- 5Y*
- 21.66%
- 10Y*
- 9.08%
IEYYX vs. VGENX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IEYYX Delaware Ivy Energy Fund | 16.88% | 22.56% | -3.60% | -4.08% | 41.14% | 43.34% | -38.68% | 4.25% | -34.47% | -12.98% |
VGENX Vanguard Energy Opportunities Fund Investor Shares | 16.60% | 20.67% | 30.25% | 8.78% | 23.59% | 27.71% | -30.85% | 13.23% | -17.19% | 3.22% |
Correlation
The correlation between IEYYX and VGENX is 0.54, 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 | 0.54 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.66 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.77 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.86 |
Correlation (All Time) Calculated using the full available price history since Apr 5, 2006 | 0.92 |
Over the past year, the correlation between IEYYX and VGENX has dropped to 0.54 - well below their long-term average of 0.92, suggesting their price drivers have been diverging.
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Return for Risk
IEYYX vs. VGENX — Risk / Return Rank
IEYYX
VGENX
IEYYX vs. VGENX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Delaware Ivy Energy Fund (IEYYX) and Vanguard Energy Opportunities Fund Investor Shares (VGENX). 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.
| IEYYX | VGENX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.96 | ||
| Sortino ratioReturn per unit of downside risk | +1.21 | ||
| Omega ratioGain probability vs. loss probability | 1.53 | 1.36 | +0.17 |
| Calmar ratioReturn relative to maximum drawdown | 7.26 | 3.21 | +4.05 |
| Martin ratioReturn relative to average drawdown | 26.28 | 12.31 | +13.97 |
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Drawdowns
IEYYX vs. VGENX - Drawdown Comparison
The maximum IEYYX drawdown since its inception was -85.16%, which is greater than VGENX's maximum drawdown of -65.37%. Use the drawdown chart below to compare losses from any high point for IEYYX and VGENX.
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Drawdown Indicators
| IEYYX | VGENX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -85.16% | -65.37% | -19.79% |
Max Drawdown (1Y)Largest decline over 1 year | -5.56% | -7.88% | +2.32% |
Max Drawdown (3Y)Largest decline over 3 years | -22.71% | -12.30% | -10.41% |
Max Drawdown (5Y)Largest decline over 5 years | -30.43% | -19.72% | -10.71% |
Max Drawdown (10Y)Largest decline over 10 years | -81.45% | -61.19% | -20.26% |
Current DrawdownCurrent decline from peak | -24.47% | -6.99% | -17.48% |
Average DrawdownAverage peak-to-trough decline | -35.14% | -14.92% | -20.22% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.53% | 2.05% | -0.52% |
Volatility
IEYYX vs. VGENX - Volatility Comparison
Delaware Ivy Energy Fund (IEYYX) has a higher volatility of 4.63% compared to Vanguard Energy Opportunities Fund Investor Shares (VGENX) at 3.92%. This indicates that IEYYX's price experiences larger fluctuations and is considered to be riskier than VGENX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IEYYX | VGENX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.63% | 3.92% | +0.71% |
Volatility (6M)Calculated over the trailing 6-month period | 10.33% | 10.30% | +0.03% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.40% | 12.32% | +1.08% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.61% | 18.68% | +2.93% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 30.84% | 23.17% | +7.67% |
IEYYX vs. VGENX - Expense Ratio Comparison
IEYYX has a 1.28% expense ratio, which is higher than VGENX's 0.45% expense ratio.
Dividends
IEYYX vs. VGENX - Dividend Comparison
IEYYX's dividend yield for the trailing twelve months is around 0.74%, less than VGENX's 7.35% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IEYYX Delaware Ivy Energy Fund | 0.74% | 0.87% | 0.91% | 2.37% | 1.33% | 1.49% | 2.17% | 0.00% | 0.00% | 0.36% | 0.00% | 0.00% |
VGENX Vanguard Energy Opportunities Fund Investor Shares | 7.35% | 4.71% | 33.96% | 6.83% | 4.63% | 3.63% | 4.46% | 3.30% | 2.96% | 2.96% | 1.84% | 2.63% |
Frequently Asked Questions
IEYYX and VGENX have a correlation of 0.54, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IEYYX has higher volatility (4.63%) compared to VGENX (3.92%). In terms of maximum drawdown, IEYYX dropped -85.16% vs VGENX's -65.37%.
IEYYX currently has the higher Sharpe Ratio (3.02 vs 2.06), 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.
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