INGIX vs. VYMSX

Last updated Jun 4, 2026

INGIX (Voya U.S. Stock Index Portfolio) and VYMSX (Voya Mid Cap Research Enhanced Index Fund) are both mutual funds - INGIX is a Large Cap Blend Equities fund managed by Voya, while VYMSX is a Mid Cap Blend Equities fund managed by Voya. Over the past 10 years, INGIX returned 15.21%/yr vs 10.42%/yr for VYMSX. Their correlation of 0.83 suggests significant overlap in exposure. INGIX charges 0.27%/yr vs 0.82%/yr for VYMSX.

Performance

INGIX vs. VYMSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Voya U.S. Stock Index Portfolio (INGIX) 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, INGIX achieves a 11.59% return, which is significantly lower than VYMSX's 15.34% return. Over the past 10 years, INGIX has outperformed VYMSX with an annualized return of 15.21%, while VYMSX has yielded a comparatively lower 10.42% annualized return.

INGIX

• 1D: 0.13%
• 1M: 5.76%
• YTD: 11.59%
• 6M: 10.07%
• 1Y: 26.86%
• 3Y*: 21.89%
• 5Y*: 13.66%
• 10Y*: 15.21%

VYMSX

• 1D: 1.37%
• 1M: 5.11%
• YTD: 15.34%
• 6M: 14.36%
• 1Y: 25.10%
• 3Y*: 16.95%
• 5Y*: 8.45%
• 10Y*: 10.42%

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

INGIX vs. VYMSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
INGIX Voya U.S. Stock Index Portfolio	11.59%	15.88%	24.71%	26.04%	-18.40%	28.33%	18.07%	31.15%	-4.62%	21.49%
VYMSX Voya Mid Cap Research Enhanced Index Fund	15.34%	6.79%	14.92%	17.35%	-14.63%	27.47%	8.26%	28.18%	-14.55%	13.43%

Correlation

The correlation between INGIX and VYMSX is 0.79, 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	0.79
Correlation (3Y) Calculated over the trailing 3-year period	0.78
Correlation (5Y) Calculated over the trailing 5-year period	0.83
Correlation (10Y) Calculated over the trailing 10-year period	0.84
Correlation (All Time) Calculated using the full available price history since Jan 4, 2002	0.83

The correlation between INGIX and VYMSX has been stable across timeframes, ranging from 0.78 to 0.84 - a consistent structural relationship.

Return for Risk

INGIX vs. VYMSX — Risk / Return Rank

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

INGIX

INGIX Risk / Return Rank: 55
INGIX Sharpe Ratio Rank: 40
INGIX Sortino Ratio Rank: 38
INGIX Omega Ratio Rank: 57
INGIX Calmar Ratio Rank: 72
INGIX Martin Ratio Rank: 71

VYMSX

VYMSX Risk / Return Rank: 43
VYMSX Sharpe Ratio Rank: 37
VYMSX Sortino Ratio Rank: 36
VYMSX Omega Ratio Rank: 31
VYMSX Calmar Ratio Rank: 57
VYMSX Martin Ratio Rank: 56

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.

INGIX vs. VYMSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Voya U.S. Stock Index Portfolio (INGIX) 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.

	INGIX	VYMSX	Difference
Sharpe ratio: Return per unit of total volatility	1.83	1.75	+0.09
Sortino ratio: Return per unit of downside risk	2.58	2.50	+0.08
Omega ratio: Gain probability vs. loss probability	1.42	1.29	+0.13
Calmar ratio: Return relative to maximum drawdown	3.27	2.88	+0.39
Martin ratio: Return relative to average drawdown	13.66	11.25	+2.42
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

INGIX vs. VYMSX - Sharpe Ratio Comparison

The current INGIX Sharpe Ratio is 1.83, which is comparable to the VYMSX Sharpe Ratio of 1.75. The chart below compares the historical Sharpe Ratios of INGIX 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.

Sharpe Ratios by Period

	INGIX	VYMSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.83	1.75	+0.09
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.78	0.37	+0.41
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.83	0.46	+0.37
Sharpe Ratio (All Time) Calculated using the full available price history	0.47	0.40	+0.07

Drawdowns

INGIX vs. VYMSX - Drawdown Comparison

The maximum INGIX drawdown since its inception was -55.38%, roughly equal to the maximum VYMSX drawdown of -57.85%. Use the drawdown chart below to compare losses from any high point for INGIX and VYMSX.

Drawdown Indicators

	INGIX	VYMSX	Difference
Max Drawdown Largest peak-to-trough decline	-55.38%	-57.85%	+2.47%
Max Drawdown (1Y) Largest decline over 1 year	-9.53%	-10.34%	+0.81%
Max Drawdown (3Y) Largest decline over 3 years	-19.08%	-24.02%	+4.94%
Max Drawdown (5Y) Largest decline over 5 years	-24.69%	-31.71%	+7.02%
Max Drawdown (10Y) Largest decline over 10 years	-33.84%	-43.69%	+9.85%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-8.18%	-9.16%	+0.98%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.17%	2.57%	-0.40%

Volatility

INGIX vs. VYMSX - Volatility Comparison

Voya U.S. Stock Index Portfolio (INGIX) has a higher volatility of 11.84% compared to Voya Mid Cap Research Enhanced Index Fund (VYMSX) at 4.81%. This indicates that INGIX's price experiences larger fluctuations and is considered to be riskier than VYMSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	INGIX	VYMSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.84%	4.81%	+7.03%
Volatility (6M) Calculated over the trailing 6-month period	14.54%	12.33%	+2.21%
Volatility (1Y) Calculated over the trailing 1-year period	16.99%	17.08%	-0.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.02%	23.33%	-5.31%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.60%	22.91%	-4.31%

INGIX vs. VYMSX - Expense Ratio Comparison

INGIX has a 0.27% expense ratio, which is lower than VYMSX's 0.82% expense ratio.

Dividends

INGIX vs. VYMSX - Dividend Comparison

INGIX's dividend yield for the trailing twelve months is around 9.55%, less than VYMSX's 25.81% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
INGIX Voya U.S. Stock Index Portfolio	9.55%	10.66%	9.12%	11.02%	12.95%	10.29%	5.21%	6.82%	8.29%	6.30%	7.74%	11.51%
VYMSX Voya Mid Cap Research Enhanced Index Fund	25.81%	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 INGIX and VYMSX in my portfolio?

INGIX and VYMSX have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, INGIX or VYMSX?

INGIX has higher volatility (11.84%) compared to VYMSX (4.81%). In terms of maximum drawdown, INGIX dropped -55.38% vs VYMSX's -57.85%.

Which has better risk-adjusted returns?

INGIX currently has the higher Sharpe Ratio (1.83 vs 1.75), 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.