IIMOX vs. MGOYX

Last updated Jun 5, 2026

IIMOX (Voya MidCap Opportunities Portfolio) and MGOYX (Victory Munder Mid-Cap Core Growth Fund) are both Mid Cap Growth Equities funds. Over the past 10 years, IIMOX returned 11.59%/yr vs 11.09%/yr for MGOYX. Their correlation of 0.93 suggests significant overlap in exposure. IIMOX charges 0.66%/yr vs 0.98%/yr for MGOYX.

Performance

IIMOX vs. MGOYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Voya MidCap Opportunities Portfolio (IIMOX) and Victory Munder Mid-Cap Core Growth Fund (MGOYX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IIMOX achieves a 6.82% return, which is significantly lower than MGOYX's 19.75% return. Both investments have delivered pretty close results over the past 10 years, with IIMOX having a 11.59% annualized return and MGOYX not far behind at 11.09%.

IIMOX

• 1D: -1.00%
• 1M: 5.50%
• YTD: 6.82%
• 6M: 4.57%
• 1Y: 6.93%
• 3Y*: 12.80%
• 5Y*: 5.94%
• 10Y*: 11.59%

MGOYX

• 1D: 0.49%
• 1M: 1.70%
• YTD: 19.75%
• 6M: 19.27%
• 1Y: 29.84%
• 3Y*: 18.88%
• 5Y*: 8.30%
• 10Y*: 11.09%

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

IIMOX vs. MGOYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IIMOX Voya MidCap Opportunities Portfolio	6.82%	3.84%	15.91%	23.54%	-22.65%	12.05%	41.21%	29.45%	-7.44%	25.08%
MGOYX Victory Munder Mid-Cap Core Growth Fund	19.75%	12.03%	10.93%	14.82%	-21.31%	25.97%	20.61%	26.22%	-14.19%	24.55%

Correlation

The correlation between IIMOX and MGOYX is 0.77, 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	0.77
Correlation (3Y) Calculated over the trailing 3-year period	0.80
Correlation (5Y) Calculated over the trailing 5-year period	0.85
Correlation (10Y) Calculated over the trailing 10-year period	0.88
Correlation (All Time) Calculated using the full available price history since May 31, 2001	0.93

The correlation between IIMOX and MGOYX shifts across timeframes, from 0.77 (1 year) to 0.93 (all time), reflecting how their relationship changes across market environments.

Return for Risk

IIMOX vs. MGOYX — Risk / Return Rank

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

IIMOX

IIMOX Risk / Return Rank: 6
IIMOX Sharpe Ratio Rank: 6
IIMOX Sortino Ratio Rank: 6
IIMOX Omega Ratio Rank: 6
IIMOX Calmar Ratio Rank: 6
IIMOX Martin Ratio Rank: 6

MGOYX

MGOYX Risk / Return Rank: 64
MGOYX Sharpe Ratio Rank: 54
MGOYX Sortino Ratio Rank: 53
MGOYX Omega Ratio Rank: 51
MGOYX Calmar Ratio Rank: 84
MGOYX Martin Ratio Rank: 81

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.

IIMOX vs. MGOYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Voya MidCap Opportunities Portfolio (IIMOX) and Victory Munder Mid-Cap Core Growth Fund (MGOYX). 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.

	IIMOX	MGOYX	Difference
Sharpe ratio: Return per unit of total volatility	0.43	2.14	-1.70
Sortino ratio: Return per unit of downside risk	0.75	3.04	-2.29
Omega ratio: Gain probability vs. loss probability	1.09	1.38	-0.30
Calmar ratio: Return relative to maximum drawdown	0.46	3.82	-3.36
Martin ratio: Return relative to average drawdown	1.38	14.76	-13.37
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IIMOX vs. MGOYX - Sharpe Ratio Comparison

The current IIMOX Sharpe Ratio is 0.43, which is lower than the MGOYX Sharpe Ratio of 2.14. The chart below compares the historical Sharpe Ratios of IIMOX and MGOYX, 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

	IIMOX	MGOYX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.43	2.14	-1.70
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.26	0.33	-0.07
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.53	0.48	+0.05
Sharpe Ratio (All Time) Calculated using the full available price history	0.41	0.46	-0.06

Drawdowns

IIMOX vs. MGOYX - Drawdown Comparison

The maximum IIMOX drawdown since its inception was -49.62%, smaller than the maximum MGOYX drawdown of -57.23%. Use the drawdown chart below to compare losses from any high point for IIMOX and MGOYX.

Drawdown Indicators

	IIMOX	MGOYX	Difference
Max Drawdown Largest peak-to-trough decline	-49.62%	-57.23%	+7.61%
Max Drawdown (1Y) Largest decline over 1 year	-17.25%	-7.81%	-9.44%
Max Drawdown (3Y) Largest decline over 3 years	-26.24%	-26.05%	-0.19%
Max Drawdown (5Y) Largest decline over 5 years	-38.63%	-40.49%	+1.86%
Max Drawdown (10Y) Largest decline over 10 years	-38.63%	-40.49%	+1.86%
Current Drawdown Current decline from peak	-1.00%	0.00%	-1.00%
Average Drawdown Average peak-to-trough decline	-10.28%	-10.96%	+0.68%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.53%	2.02%	+3.51%

Volatility

IIMOX vs. MGOYX - Volatility Comparison

The current volatility for Voya MidCap Opportunities Portfolio (IIMOX) is 4.33%, while Victory Munder Mid-Cap Core Growth Fund (MGOYX) has a volatility of 4.63%. This indicates that IIMOX experiences smaller price fluctuations and is considered to be less risky than MGOYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IIMOX	MGOYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.33%	4.63%	-0.30%
Volatility (6M) Calculated over the trailing 6-month period	14.23%	11.03%	+3.20%
Volatility (1Y) Calculated over the trailing 1-year period	18.30%	13.98%	+4.32%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.22%	25.06%	-1.84%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.06%	23.26%	-1.20%

IIMOX vs. MGOYX - Expense Ratio Comparison

IIMOX has a 0.66% expense ratio, which is lower than MGOYX's 0.98% expense ratio.

Dividends

IIMOX vs. MGOYX - Dividend Comparison

IIMOX's dividend yield for the trailing twelve months is around 9.83%, less than MGOYX's 12.84% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IIMOX Voya MidCap Opportunities Portfolio	9.83%	10.50%	0.00%	0.00%	216.56%	14.45%	4.43%	12.33%	12.00%	5.41%	11.65%	17.54%
MGOYX Victory Munder Mid-Cap Core Growth Fund	12.84%	15.37%	15.72%	4.54%	12.23%	25.13%	18.63%	60.72%	49.01%	19.34%	12.76%	10.52%

Frequently Asked Questions

Can I hold both IIMOX and MGOYX in my portfolio?

IIMOX and MGOYX have a correlation of 0.77, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IIMOX or MGOYX?

MGOYX has higher volatility (4.63%) compared to IIMOX (4.33%). In terms of maximum drawdown, IIMOX dropped -49.62% vs MGOYX's -57.23%.

Which has better risk-adjusted returns?

MGOYX currently has the higher Sharpe Ratio (2.14 vs 0.43), 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.