OILGX vs. DMTFX
Compare and contrast key facts about Optimum Large Cap Growth Fund (OILGX) and Delaware Tax Free USA Fund (DMTFX).
OILGX is managed by Delaware Funds. It was launched on Aug 1, 2003. DMTFX is managed by Delaware Funds. It was launched on Jan 10, 1984.
Performance
OILGX vs. DMTFX - Performance Comparison
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OILGX vs. DMTFX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
OILGX Optimum Large Cap Growth Fund | -8.52% | 15.97% | 49.90% | 41.16% | -34.69% | 17.88% | 33.81% | 31.34% | -0.80% | 32.46% |
DMTFX Delaware Tax Free USA Fund | -0.80% | 2.13% | 3.17% | 10.72% | -16.20% | 5.19% | 8.85% | 8.97% | 0.29% | 7.19% |
Returns By Period
In the year-to-date period, OILGX achieves a -8.52% return, which is significantly lower than DMTFX's -0.80% return. Over the past 10 years, OILGX has outperformed DMTFX with an annualized return of 15.36%, while DMTFX has yielded a comparatively lower 2.49% annualized return.
OILGX
- 1D
- 3.93%
- 1M
- -5.44%
- YTD
- -8.52%
- 6M
- -7.46%
- 1Y
- 17.75%
- 3Y*
- 25.17%
- 5Y*
- 11.11%
- 10Y*
- 15.36%
DMTFX
- 1D
- 0.40%
- 1M
- -2.54%
- YTD
- -0.80%
- 6M
- -0.18%
- 1Y
- 1.04%
- 3Y*
- 3.83%
- 5Y*
- 0.32%
- 10Y*
- 2.49%
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OILGX vs. DMTFX - Expense Ratio Comparison
OILGX has a 0.89% expense ratio, which is higher than DMTFX's 0.80% expense ratio.
Return for Risk
OILGX vs. DMTFX — Risk / Return Rank
OILGX
DMTFX
OILGX vs. DMTFX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Optimum Large Cap Growth Fund (OILGX) and Delaware Tax Free USA Fund (DMTFX). 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.
| OILGX | DMTFX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.82 | 0.21 | +0.61 |
Sortino ratioReturn per unit of downside risk | 1.33 | 0.32 | +1.01 |
Omega ratioGain probability vs. loss probability | 1.18 | 1.06 | +0.12 |
Calmar ratioReturn relative to maximum drawdown | 1.22 | 0.39 | +0.83 |
Martin ratioReturn relative to average drawdown | 4.29 | 0.92 | +3.37 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| OILGX | DMTFX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.82 | 0.21 | +0.61 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.48 | 0.05 | +0.43 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.70 | 0.42 | +0.28 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.55 | 0.96 | -0.40 |
Correlation
The correlation between OILGX and DMTFX is -0.06. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.
Dividends
OILGX vs. DMTFX - Dividend Comparison
OILGX's dividend yield for the trailing twelve months is around 15.36%, more than DMTFX's 4.40% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
OILGX Optimum Large Cap Growth Fund | 15.36% | 14.05% | 20.62% | 11.50% | 4.95% | 14.42% | 7.72% | 2.98% | 14.76% | 18.13% | 3.68% | 10.49% |
DMTFX Delaware Tax Free USA Fund | 4.40% | 5.69% | 4.77% | 3.53% | 3.67% | 4.00% | 4.24% | 4.44% | 3.64% | 4.74% | 4.70% | 3.63% |
Drawdowns
OILGX vs. DMTFX - Drawdown Comparison
The maximum OILGX drawdown since its inception was -54.28%, which is greater than DMTFX's maximum drawdown of -21.92%. Use the drawdown chart below to compare losses from any high point for OILGX and DMTFX.
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Drawdown Indicators
| OILGX | DMTFX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.28% | -21.92% | -32.36% |
Max Drawdown (1Y)Largest decline over 1 year | -15.31% | -7.08% | -8.23% |
Max Drawdown (5Y)Largest decline over 5 years | -39.97% | -21.92% | -18.05% |
Max Drawdown (10Y)Largest decline over 10 years | -39.97% | -21.92% | -18.05% |
Current DrawdownCurrent decline from peak | -11.99% | -3.18% | -8.81% |
Average DrawdownAverage peak-to-trough decline | -8.52% | -2.56% | -5.96% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.37% | 2.99% | +1.38% |
Volatility
OILGX vs. DMTFX - Volatility Comparison
Optimum Large Cap Growth Fund (OILGX) has a higher volatility of 6.96% compared to Delaware Tax Free USA Fund (DMTFX) at 1.60%. This indicates that OILGX's price experiences larger fluctuations and is considered to be riskier than DMTFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| OILGX | DMTFX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.96% | 1.60% | +5.36% |
Volatility (6M)Calculated over the trailing 6-month period | 13.08% | 2.46% | +10.62% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.88% | 7.46% | +15.42% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.41% | 6.56% | +16.85% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.00% | 5.97% | +16.03% |