OILGX vs. IVIAX

Last updated Jun 5, 2026

OILGX (Optimum Large Cap Growth Fund) and IVIAX (Delaware Ivy International Core Equity Fund) are both mutual funds - OILGX is a Large Cap Growth Equities fund managed by Delaware Funds, while IVIAX is a Foreign Large Cap Equities fund managed by Delaware Funds. Over the past 10 years, OILGX returned 17.22%/yr vs 7.39%/yr for IVIAX. A 0.67 correlation means they provide meaningful diversification when combined. OILGX charges 0.89%/yr vs 1.04%/yr for IVIAX.

Performance

OILGX vs. IVIAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Optimum Large Cap Growth Fund (OILGX) and Delaware Ivy International Core Equity Fund (IVIAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, OILGX achieves a 8.48% return, which is significantly higher than IVIAX's 6.16% return. Over the past 10 years, OILGX has outperformed IVIAX with an annualized return of 17.22%, while IVIAX has yielded a comparatively lower 7.39% annualized return.

OILGX

• 1D: -1.42%
• 1M: 5.02%
• YTD: 8.48%
• 6M: 7.29%
• 1Y: 25.50%
• 3Y*: 28.93%
• 5Y*: 14.12%
• 10Y*: 17.22%

IVIAX

• 1D: -0.71%
• 1M: 3.23%
• YTD: 6.16%
• 6M: 6.91%
• 1Y: 11.39%
• 3Y*: 13.52%
• 5Y*: 5.60%
• 10Y*: 7.39%

*Multi-year figures are annualized to reflect compound growth (CAGR)

OILGX vs. IVIAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
OILGX Optimum Large Cap Growth Fund	8.48%	15.97%	49.90%	41.16%	-34.69%	17.88%	33.81%	31.34%	-0.80%	32.46%
IVIAX Delaware Ivy International Core Equity Fund	6.16%	23.95%	3.66%	16.71%	-15.37%	13.99%	7.08%	18.48%	-17.87%	22.74%

Correlation

The correlation between OILGX and IVIAX is 0.69, 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	0.69
Correlation (3Y) Calculated over the trailing 3-year period	0.64
Correlation (5Y) Calculated over the trailing 5-year period	0.66
Correlation (10Y) Calculated over the trailing 10-year period	0.66
Correlation (All Time) Calculated using the full available price history since Jul 24, 2003	0.67

The correlation between OILGX and IVIAX has been stable across timeframes, ranging from 0.64 to 0.69 - a consistent structural relationship.

Return for Risk

OILGX vs. IVIAX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

OILGX

OILGX Risk / Return Rank: 28
OILGX Sharpe Ratio Rank: 32
OILGX Sortino Ratio Rank: 29
OILGX Omega Ratio Rank: 30
OILGX Calmar Ratio Rank: 22
OILGX Martin Ratio Rank: 25

IVIAX

IVIAX Risk / Return Rank: 11
IVIAX Sharpe Ratio Rank: 10
IVIAX Sortino Ratio Rank: 11
IVIAX Omega Ratio Rank: 11
IVIAX Calmar Ratio Rank: 10
IVIAX Martin Ratio Rank: 12

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

OILGX vs. IVIAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Optimum Large Cap Growth Fund (OILGX) and Delaware Ivy International Core Equity Fund (IVIAX). 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	IVIAX	Difference
Sharpe ratio: Return per unit of total volatility	1.63	0.76	+0.87
Sortino ratio: Return per unit of downside risk	2.24	1.20	+1.05
Omega ratio: Gain probability vs. loss probability	1.28	1.16	+0.13
Calmar ratio: Return relative to maximum drawdown	1.71	0.88	+0.84
Martin ratio: Return relative to average drawdown	6.04	3.19	+2.85
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

OILGX vs. IVIAX - Sharpe Ratio Comparison

The current OILGX Sharpe Ratio is 1.63, which is higher than the IVIAX Sharpe Ratio of 0.76. The chart below compares the historical Sharpe Ratios of OILGX and IVIAX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	OILGX	IVIAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.63	0.76	+0.87
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.61	0.33	+0.28
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.78	0.43	+0.36
Sharpe Ratio (All Time) Calculated using the full available price history	0.59	0.31	+0.28

Drawdowns

OILGX vs. IVIAX - Drawdown Comparison

The maximum OILGX drawdown since its inception was -54.28%, roughly equal to the maximum IVIAX drawdown of -56.37%. Use the drawdown chart below to compare losses from any high point for OILGX and IVIAX.

Drawdown Indicators

	OILGX	IVIAX	Difference
Max Drawdown Largest peak-to-trough decline	-54.28%	-56.37%	+2.09%
Max Drawdown (1Y) Largest decline over 1 year	-15.31%	-14.58%	-0.73%
Max Drawdown (3Y) Largest decline over 3 years	-23.75%	-15.50%	-8.25%
Max Drawdown (5Y) Largest decline over 5 years	-39.97%	-30.46%	-9.51%
Max Drawdown (10Y) Largest decline over 10 years	-39.97%	-40.87%	+0.90%
Current Drawdown Current decline from peak	-1.71%	-0.71%	-1.00%
Average Drawdown Average peak-to-trough decline	-8.48%	-12.30%	+3.82%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.33%	4.00%	+0.33%

Volatility

OILGX vs. IVIAX - Volatility Comparison

The current volatility for Optimum Large Cap Growth Fund (OILGX) is 4.02%, while Delaware Ivy International Core Equity Fund (IVIAX) has a volatility of 5.59%. This indicates that OILGX experiences smaller price fluctuations and is considered to be less risky than IVIAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OILGX	IVIAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.02%	5.59%	-1.57%
Volatility (6M) Calculated over the trailing 6-month period	12.11%	14.47%	-2.36%
Volatility (1Y) Calculated over the trailing 1-year period	16.10%	16.85%	-0.75%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.41%	17.28%	+6.13%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.04%	17.43%	+4.61%

OILGX vs. IVIAX - Expense Ratio Comparison

OILGX has a 0.89% expense ratio, which is lower than IVIAX's 1.04% expense ratio.

Dividends

OILGX vs. IVIAX - Dividend Comparison

OILGX's dividend yield for the trailing twelve months is around 12.95%, more than IVIAX's 11.35% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IVIAX Delaware Ivy International Core Equity Fund	11.35%	12.05%	0.69%	2.55%	0.82%	2.43%	0.98%	2.39%	9.63%	1.01%	1.59%	0.82%
OILGX Optimum Large Cap Growth Fund	12.95%	14.05%	20.62%	11.50%	4.95%	14.42%	7.72%	2.98%	14.76%	18.13%	3.68%	10.49%

Frequently Asked Questions

Can I hold both OILGX and IVIAX in my portfolio?

OILGX and IVIAX 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.

Which is riskier, OILGX or IVIAX?

IVIAX has higher volatility (5.59%) compared to OILGX (4.02%). In terms of maximum drawdown, OILGX dropped -54.28% vs IVIAX's -56.37%.

Which has better risk-adjusted returns?

OILGX currently has the higher Sharpe Ratio (1.63 vs 0.76), 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.