OILGX vs. AMRGX
Compare and contrast key facts about Optimum Large Cap Growth Fund (OILGX) and American Growth Fund Series One (AMRGX).
OILGX is managed by Delaware Funds. It was launched on Aug 1, 2003. AMRGX is managed by American Growth. It was launched on Jul 31, 1958.
Performance
OILGX vs. AMRGX - Performance Comparison
Loading graphics...
OILGX vs. AMRGX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
OILGX Optimum Large Cap Growth Fund | -11.98% | 15.97% | 49.90% | 41.16% | -34.69% | 17.88% | 33.81% | 31.34% | -0.80% | 32.46% |
AMRGX American Growth Fund Series One | -1.31% | 11.18% | 16.61% | 24.38% | -19.93% | 15.64% | 18.65% | 36.73% | -9.07% | 13.37% |
Returns By Period
In the year-to-date period, OILGX achieves a -11.98% return, which is significantly lower than AMRGX's -1.31% return. Over the past 10 years, OILGX has outperformed AMRGX with an annualized return of 14.92%, while AMRGX has yielded a comparatively lower 10.41% annualized return.
OILGX
- 1D
- -0.73%
- 1M
- -8.75%
- YTD
- -11.98%
- 6M
- -10.54%
- 1Y
- 14.24%
- 3Y*
- 23.57%
- 5Y*
- 10.65%
- 10Y*
- 14.92%
AMRGX
- 1D
- -1.60%
- 1M
- -10.92%
- YTD
- -1.31%
- 6M
- 7.51%
- 1Y
- 16.26%
- 3Y*
- 14.01%
- 5Y*
- 7.34%
- 10Y*
- 10.41%
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
OILGX vs. AMRGX - Expense Ratio Comparison
OILGX has a 0.89% expense ratio, which is lower than AMRGX's 4.07% expense ratio.
Return for Risk
OILGX vs. AMRGX — Risk / Return Rank
OILGX
AMRGX
OILGX vs. AMRGX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Optimum Large Cap Growth Fund (OILGX) and American Growth Fund Series One (AMRGX). 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 | AMRGX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.63 | 0.62 | +0.02 |
Sortino ratioReturn per unit of downside risk | 1.07 | 1.12 | -0.06 |
Omega ratioGain probability vs. loss probability | 1.15 | 1.19 | -0.04 |
Calmar ratioReturn relative to maximum drawdown | 0.73 | 0.99 | -0.26 |
Martin ratioReturn relative to average drawdown | 2.60 | 2.37 | +0.23 |
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
| OILGX | AMRGX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.63 | 0.62 | +0.02 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.46 | 0.34 | +0.12 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.68 | 0.49 | +0.19 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.54 | 0.10 | +0.45 |
Correlation
The correlation between OILGX and AMRGX is 0.84, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
OILGX vs. AMRGX - Dividend Comparison
OILGX's dividend yield for the trailing twelve months is around 15.96%, less than AMRGX's 18.06% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
OILGX Optimum Large Cap Growth Fund | 15.96% | 14.05% | 20.62% | 11.50% | 4.95% | 14.42% | 7.72% | 2.98% | 14.76% | 18.13% | 3.68% | 10.49% |
AMRGX American Growth Fund Series One | 18.06% | 17.82% | 12.39% | 8.17% | 7.77% | 12.21% | 2.36% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Drawdowns
OILGX vs. AMRGX - Drawdown Comparison
The maximum OILGX drawdown since its inception was -54.28%, smaller than the maximum AMRGX drawdown of -80.32%. Use the drawdown chart below to compare losses from any high point for OILGX and AMRGX.
Loading graphics...
Drawdown Indicators
| OILGX | AMRGX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.28% | -80.32% | +26.04% |
Max Drawdown (1Y)Largest decline over 1 year | -15.31% | -13.98% | -1.33% |
Max Drawdown (5Y)Largest decline over 5 years | -39.97% | -35.42% | -4.55% |
Max Drawdown (10Y)Largest decline over 10 years | -39.97% | -35.42% | -4.55% |
Current DrawdownCurrent decline from peak | -15.31% | -13.98% | -1.33% |
Average DrawdownAverage peak-to-trough decline | -8.52% | -40.45% | +31.93% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.30% | 5.82% | -1.52% |
Volatility
OILGX vs. AMRGX - Volatility Comparison
The current volatility for Optimum Large Cap Growth Fund (OILGX) is 5.51%, while American Growth Fund Series One (AMRGX) has a volatility of 6.18%. This indicates that OILGX experiences smaller price fluctuations and is considered to be less risky than AMRGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading graphics...
Volatility by Period
| OILGX | AMRGX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.51% | 6.18% | -0.67% |
Volatility (6M)Calculated over the trailing 6-month period | 12.48% | 23.49% | -11.01% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.60% | 28.26% | -5.66% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.35% | 21.84% | +1.51% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.96% | 21.30% | +0.66% |