WMGAX vs. OILGX
WMGAX (Delaware Ivy Mid Cap Growth Fund) and OILGX (Optimum Large Cap Growth Fund) are both mutual funds - WMGAX is a Mid Cap Growth Equities fund managed by Delaware Funds, while OILGX is a Large Cap Growth Equities fund managed by Delaware Funds. Over the past 10 years, WMGAX returned 10.91%/yr vs 16.29%/yr for OILGX. Their correlation of 0.89 means they have usually moved in the same direction. WMGAX charges 1.12%/yr vs 0.89%/yr for OILGX.
Performance
WMGAX vs. OILGX - Performance Comparison
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Returns By Period
In the year-to-date period, WMGAX achieves a 0.57% return, which is significantly lower than OILGX's 2.85% return. Over the past 10 years, WMGAX has underperformed OILGX with an annualized return of 10.91%, while OILGX has yielded a comparatively higher 16.29% annualized return.
WMGAX
- 1D
- 0.83%
- 1M
- -3.28%
- 6M
- -2.05%
- YTD
- 0.57%
- 1Y
- -2.92%
- 3Y*
- 3.72%
- 5Y*
- -1.28%
- 10Y*
- 10.91%
- ALL TIME*
- 8.17%
OILGX
- 1D
- 1.19%
- 1M
- -1.73%
- 6M
- 2.94%
- YTD
- 2.85%
- 1Y
- 13.70%
- 3Y*
- 23.84%
- 5Y*
- 11.44%
- 10Y*
- 16.29%
- ALL TIME*
- 11.76%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
WMGAX vs. OILGX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
WMGAX Delaware Ivy Mid Cap Growth Fund | 0.57% | 0.83% | 10.02% | 19.97% | -30.68% | 16.22% | 48.56% | 38.01% | -0.20% | 26.95% |
OILGX Optimum Large Cap Growth Fund | 2.85% | 15.97% | 49.90% | 41.16% | -34.69% | 17.88% | 33.81% | 31.34% | -0.80% | 32.46% |
Correlation
The correlation between WMGAX and OILGX is 0.69, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.69 |
Correlation (3Y) Balances recent behavior with more history. | 0.72 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.83 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.84 |
Correlation (All Time) Calculated using the full available price history since Jul 23, 2003 | 0.89 |
The correlation between WMGAX and OILGX shifts across timeframes, from 0.69 (1 year) to 0.89 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
WMGAX vs. OILGX — Risk / Return Rank
WMGAX
OILGX
WMGAX vs. OILGX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Delaware Ivy Mid Cap Growth Fund (WMGAX) and Optimum Large Cap Growth Fund (OILGX). 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.
| WMGAX | OILGX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.86 | ||
| Sortino ratioReturn per unit of downside risk | -1.19 | ||
| Omega ratioGain probability vs. loss probability | 0.98 | 1.12 | -0.14 |
| Calmar ratioReturn relative to maximum drawdown | -0.24 | 0.75 | -0.99 |
| Martin ratioReturn relative to average drawdown | -0.62 | 2.34 | -2.96 |
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Drawdowns
WMGAX vs. OILGX - Drawdown Comparison
The maximum WMGAX drawdown since its inception was -53.74%, roughly equal to the maximum OILGX drawdown of -54.28%. Use the drawdown chart below to compare losses from any high point for WMGAX and OILGX.
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Drawdown Indicators
| WMGAX | OILGX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -53.74% | -54.28% | +0.54% |
Max Drawdown (1Y)Largest decline over 1 year | -16.16% | -15.31% | -0.85% |
Max Drawdown (3Y)Largest decline over 3 years | -26.59% | -23.75% | -2.84% |
Max Drawdown (5Y)Largest decline over 5 years | -42.95% | -39.97% | -2.98% |
Max Drawdown (10Y)Largest decline over 10 years | -42.95% | -39.97% | -2.98% |
Current DrawdownCurrent decline from peak | -16.62% | -6.81% | -9.81% |
Average DrawdownAverage peak-to-trough decline | -13.63% | -8.45% | -5.18% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.23% | 4.87% | +1.36% |
Volatility
WMGAX vs. OILGX - Volatility Comparison
The current volatility for Delaware Ivy Mid Cap Growth Fund (WMGAX) is 3.23%, while Optimum Large Cap Growth Fund (OILGX) has a volatility of 5.87%. This indicates that WMGAX experiences smaller price fluctuations and is considered to be less risky than OILGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| WMGAX | OILGX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.23% | 5.87% | -2.64% |
Volatility (6M)Calculated over the trailing 6-month period | 13.76% | 13.95% | -0.19% |
Volatility (1Y)Calculated over the trailing 1-year period | 17.88% | 17.82% | +0.06% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 25.13% | 23.64% | +1.49% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.14% | 22.12% | +1.02% |
WMGAX vs. OILGX - Expense Ratio Comparison
WMGAX has a 1.12% expense ratio, which is higher than OILGX's 0.89% expense ratio.
Dividends
WMGAX vs. OILGX - Dividend Comparison
WMGAX's dividend yield for the trailing twelve months is around 11.03%, less than OILGX's 13.66% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
OILGX Optimum Large Cap Growth Fund | 13.66% | 14.05% | 20.62% | 11.50% | 4.95% | 14.42% | 7.72% | 2.98% | 14.76% | 18.13% | 3.68% | 10.49% |
WMGAX Delaware Ivy Mid Cap Growth Fund | 11.03% | 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
WMGAX and OILGX have a correlation of 0.69, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
OILGX has higher volatility (5.87%) compared to WMGAX (3.23%). In terms of maximum drawdown, WMGAX dropped -53.74% vs OILGX's -54.28%.
OILGX currently has the higher Sharpe Ratio (0.64 vs -0.22), 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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