OIIEX vs. DMTFX
Compare and contrast key facts about Optimum International Fund (OIIEX) and Delaware Tax Free USA Fund (DMTFX).
OIIEX 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
OIIEX vs. DMTFX - Performance Comparison
Loading graphics...
OIIEX vs. DMTFX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
OIIEX Optimum International Fund | -3.43% | 25.99% | 8.41% | 17.37% | -23.04% | 8.52% | 12.57% | 19.60% | -13.98% | 30.46% |
DMTFX Delaware Tax Free USA Fund | -1.20% | 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, OIIEX achieves a -3.43% return, which is significantly lower than DMTFX's -1.20% return. Over the past 10 years, OIIEX has outperformed DMTFX with an annualized return of 7.51%, while DMTFX has yielded a comparatively lower 2.45% annualized return.
OIIEX
- 1D
- 0.46%
- 1M
- -11.52%
- YTD
- -3.43%
- 6M
- -0.27%
- 1Y
- 16.97%
- 3Y*
- 12.39%
- 5Y*
- 4.08%
- 10Y*
- 7.51%
DMTFX
- 1D
- 0.30%
- 1M
- -3.30%
- YTD
- -1.20%
- 6M
- -0.58%
- 1Y
- 1.13%
- 3Y*
- 3.69%
- 5Y*
- 0.26%
- 10Y*
- 2.45%
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
OIIEX vs. DMTFX - Expense Ratio Comparison
OIIEX has a 1.04% expense ratio, which is higher than DMTFX's 0.80% expense ratio.
Return for Risk
OIIEX vs. DMTFX — Risk / Return Rank
OIIEX
DMTFX
OIIEX vs. DMTFX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Optimum International Fund (OIIEX) 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.
| OIIEX | DMTFX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.91 | 0.28 | +0.63 |
Sortino ratioReturn per unit of downside risk | 1.29 | 0.41 | +0.87 |
Omega ratioGain probability vs. loss probability | 1.19 | 1.08 | +0.11 |
Calmar ratioReturn relative to maximum drawdown | 1.13 | 0.26 | +0.87 |
Martin ratioReturn relative to average drawdown | 4.35 | 0.62 | +3.73 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading graphics...
Sharpe Ratios by Period
| OIIEX | DMTFX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.91 | 0.28 | +0.63 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.25 | 0.04 | +0.21 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.44 | 0.41 | +0.03 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.34 | 0.95 | -0.61 |
Correlation
The correlation between OIIEX 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
OIIEX vs. DMTFX - Dividend Comparison
OIIEX's dividend yield for the trailing twelve months is around 1.45%, less than DMTFX's 4.42% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
OIIEX Optimum International Fund | 1.45% | 1.40% | 1.62% | 1.37% | 3.08% | 15.53% | 3.16% | 2.10% | 8.98% | 2.06% | 1.16% | 0.80% |
DMTFX Delaware Tax Free USA Fund | 4.42% | 5.69% | 4.77% | 3.53% | 3.67% | 4.00% | 4.24% | 4.44% | 3.64% | 4.74% | 4.70% | 3.63% |
Drawdowns
OIIEX vs. DMTFX - Drawdown Comparison
The maximum OIIEX drawdown since its inception was -58.10%, which is greater than DMTFX's maximum drawdown of -21.92%. Use the drawdown chart below to compare losses from any high point for OIIEX and DMTFX.
Loading graphics...
Drawdown Indicators
| OIIEX | DMTFX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.10% | -21.92% | -36.18% |
Max Drawdown (1Y)Largest decline over 1 year | -11.93% | -7.08% | -4.85% |
Max Drawdown (5Y)Largest decline over 5 years | -37.09% | -21.92% | -15.17% |
Max Drawdown (10Y)Largest decline over 10 years | -37.43% | -21.92% | -15.51% |
Current DrawdownCurrent decline from peak | -11.52% | -3.57% | -7.95% |
Average DrawdownAverage peak-to-trough decline | -12.52% | -2.56% | -9.96% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.09% | 2.99% | +0.10% |
Volatility
OIIEX vs. DMTFX - Volatility Comparison
Optimum International Fund (OIIEX) has a higher volatility of 7.29% compared to Delaware Tax Free USA Fund (DMTFX) at 1.52%. This indicates that OIIEX'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.
Loading graphics...
Volatility by Period
| OIIEX | DMTFX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.29% | 1.52% | +5.77% |
Volatility (6M)Calculated over the trailing 6-month period | 11.26% | 2.43% | +8.83% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.65% | 7.46% | +9.19% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.54% | 6.56% | +9.98% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.02% | 5.97% | +11.05% |