IPMIX vs. VYMSX

Last updated Jun 25, 2026

IPMIX (Voya Index Plus MidCap Portfolio) and VYMSX (Voya Mid Cap Research Enhanced Index Fund) are both Mid Cap Blend Equities funds from Voya. Over the past 10 years, IPMIX returned 10.90%/yr vs 10.93%/yr for VYMSX. With a 0.98 correlation, they move nearly in lockstep. IPMIX charges 0.60%/yr vs 0.82%/yr for VYMSX.

Performance

IPMIX vs. VYMSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Voya Index Plus MidCap Portfolio (IPMIX) and Voya Mid Cap Research Enhanced Index Fund (VYMSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IPMIX achieves a 14.33% return, which is significantly lower than VYMSX's 16.77% return. Both investments have delivered pretty close results over the past 10 years, with IPMIX having a 10.90% annualized return and VYMSX not far ahead at 10.93%.

IPMIX

• 1D: -1.13%
• 1M: 2.79%
• YTD: 14.33%
• 6M: 12.16%
• 1Y: 23.98%
• 3Y*: 16.89%
• 5Y*: 9.06%
• 10Y*: 10.90%

VYMSX

• 1D: -1.58%
• 1M: 3.71%
• YTD: 16.77%
• 6M: 14.35%
• 1Y: 25.15%
• 3Y*: 17.08%
• 5Y*: 8.97%
• 10Y*: 10.93%

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

IPMIX vs. VYMSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IPMIX Voya Index Plus MidCap Portfolio	14.33%	8.27%	15.17%	17.49%	-14.10%	27.70%	8.18%	26.62%	-14.34%	13.66%
VYMSX Voya Mid Cap Research Enhanced Index Fund	16.77%	6.79%	14.92%	17.35%	-14.63%	27.47%	8.26%	28.18%	-14.55%	13.43%

Correlation

The correlation between IPMIX and VYMSX is 0.90, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.90
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (5Y) Calculated over the trailing 5-year period	0.96
Correlation (10Y) Calculated over the trailing 10-year period	0.98
Correlation (All Time) Calculated using the full available price history since Jan 4, 1999	0.98

The correlation between IPMIX and VYMSX has been stable across timeframes, ranging from 0.90 to 0.98 - a consistent structural relationship.

Return for Risk

IPMIX vs. VYMSX — Risk / Return Rank

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

IPMIX

IPMIX Risk / Return Rank: 35
IPMIX Sharpe Ratio Rank: 30
IPMIX Sortino Ratio Rank: 29
IPMIX Omega Ratio Rank: 39
IPMIX Calmar Ratio Rank: 42
IPMIX Martin Ratio Rank: 36

VYMSX

VYMSX Risk / Return Rank: 48
VYMSX Sharpe Ratio Rank: 40
VYMSX Sortino Ratio Rank: 41
VYMSX Omega Ratio Rank: 35
VYMSX Calmar Ratio Rank: 65
VYMSX Martin Ratio Rank: 62

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.

IPMIX vs. VYMSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Voya Index Plus MidCap Portfolio (IPMIX) and Voya Mid Cap Research Enhanced Index Fund (VYMSX). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	IPMIX	VYMSX	Difference
Sharpe ratio: Return per unit of total volatility	1.35	1.66	-0.31
Sortino ratio: Return per unit of downside risk	1.90	2.38	-0.48
Omega ratio: Gain probability vs. loss probability	1.29	1.28	+0.01
Calmar ratio: Return relative to maximum drawdown	2.21	2.84	-0.63
Martin ratio: Return relative to average drawdown	7.08	11.04	-3.95

IPMIX vs. VYMSX - Sharpe Ratio Comparison

The current IPMIX Sharpe Ratio is 1.35, which is comparable to the VYMSX Sharpe Ratio of 1.66. The chart below compares the historical Sharpe Ratios of IPMIX and VYMSX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

IPMIX vs. VYMSX - Drawdown Comparison

The maximum IPMIX drawdown since its inception was -54.71%, smaller than the maximum VYMSX drawdown of -57.85%. Use the drawdown chart below to compare losses from any high point for IPMIX and VYMSX.

Drawdown Indicators

	IPMIX	VYMSX	Difference
Max Drawdown Largest peak-to-trough decline	-54.71%	-57.85%	+3.14%
Max Drawdown (1Y) Largest decline over 1 year	-12.67%	-10.34%	-2.33%
Max Drawdown (3Y) Largest decline over 3 years	-23.97%	-24.02%	+0.05%
Max Drawdown (5Y) Largest decline over 5 years	-24.28%	-31.71%	+7.43%
Max Drawdown (10Y) Largest decline over 10 years	-43.76%	-43.69%	-0.07%
Current Drawdown Current decline from peak	-7.39%	-1.58%	-5.81%
Average Drawdown Average peak-to-trough decline	-10.15%	-9.15%	-1.00%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.81%	2.60%	+1.21%

Volatility

IPMIX vs. VYMSX - Volatility Comparison

The current volatility for Voya Index Plus MidCap Portfolio (IPMIX) is 4.89%, while Voya Mid Cap Research Enhanced Index Fund (VYMSX) has a volatility of 6.11%. This indicates that IPMIX experiences smaller price fluctuations and is considered to be less risky than VYMSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IPMIX	VYMSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.89%	6.11%	-1.22%
Volatility (6M) Calculated over the trailing 6-month period	17.67%	13.23%	+4.44%
Volatility (1Y) Calculated over the trailing 1-year period	20.84%	17.75%	+3.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.31%	23.41%	-2.10%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.06%	22.93%	-0.87%

IPMIX vs. VYMSX - Expense Ratio Comparison

IPMIX has a 0.60% expense ratio, which is lower than VYMSX's 0.82% expense ratio.

Dividends

IPMIX vs. VYMSX - Dividend Comparison

IPMIX's dividend yield for the trailing twelve months is around 6.60%, less than VYMSX's 25.49% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IPMIX Voya Index Plus MidCap Portfolio	6.60%	7.59%	4.15%	4.66%	29.03%	1.13%	1.20%	10.96%	16.62%	7.62%	10.43%	17.41%
VYMSX Voya Mid Cap Research Enhanced Index Fund	25.49%	29.77%	11.50%	0.96%	6.78%	14.81%	0.79%	2.00%	13.24%	7.58%	1.83%	6.83%

Frequently Asked Questions

Can I hold both IPMIX and VYMSX in my portfolio?

With a correlation of 0.90, IPMIX and VYMSX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, IPMIX or VYMSX?

VYMSX has higher volatility (6.11%) compared to IPMIX (4.89%). In terms of maximum drawdown, IPMIX dropped -54.71% vs VYMSX's -57.85%.

Which has better risk-adjusted returns?

VYMSX currently has the higher Sharpe Ratio (1.66 vs 1.35), 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.