IRSQX vs. FXAIX

Last updated Jun 23, 2026

IRSQX (Voya Target Retirement 2050 Fund) and FXAIX (Fidelity 500 Index Fund) are both mutual funds - IRSQX is a Target Retirement Date fund managed by Voya, while FXAIX is a S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, IRSQX returned 11.98%/yr vs 15.58%/yr for FXAIX. With a 0.95 correlation, they move nearly in lockstep. IRSQX charges 0.22%/yr vs 0.02%/yr for FXAIX.

Performance

IRSQX vs. FXAIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Voya Target Retirement 2050 Fund (IRSQX) and Fidelity 500 Index Fund (FXAIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IRSQX achieves a 12.38% return, which is significantly higher than FXAIX's 10.19% return. Over the past 10 years, IRSQX has underperformed FXAIX with an annualized return of 11.98%, while FXAIX has yielded a comparatively higher 15.58% annualized return.

IRSQX

• 1D: 1.15%
• 1M: 1.74%
• YTD: 12.38%
• 6M: 12.18%
• 1Y: 28.93%
• 3Y*: 18.76%
• 5Y*: 10.65%
• 10Y*: 11.98%

FXAIX

• 1D: 1.09%
• 1M: 0.47%
• YTD: 10.19%
• 6M: 9.68%
• 1Y: 27.18%
• 3Y*: 20.98%
• 5Y*: 14.10%
• 10Y*: 15.58%

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

IRSQX vs. FXAIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IRSQX Voya Target Retirement 2050 Fund	12.38%	20.71%	15.32%	20.47%	-18.75%	18.82%	17.28%	25.25%	-9.37%	20.99%
FXAIX Fidelity 500 Index Fund	10.19%	17.84%	25.01%	26.29%	-18.14%	28.71%	18.42%	31.48%	-4.43%	21.82%

Correlation

The correlation between IRSQX and FXAIX is 0.88, 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	0.88
Correlation (3Y) Calculated over the trailing 3-year period	0.92
Correlation (5Y) Calculated over the trailing 5-year period	0.94
Correlation (10Y) Calculated over the trailing 10-year period	0.95
Correlation (All Time) Calculated using the full available price history since Dec 24, 2012	0.95

The correlation between IRSQX and FXAIX has been stable across timeframes, ranging from 0.88 to 0.95 - a consistent structural relationship.

Return for Risk

IRSQX vs. FXAIX — Risk / Return Rank

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

IRSQX

IRSQX Risk / Return Rank: 80
IRSQX Sharpe Ratio Rank: 80
IRSQX Sortino Ratio Rank: 78
IRSQX Omega Ratio Rank: 75
IRSQX Calmar Ratio Rank: 77
IRSQX Martin Ratio Rank: 88

FXAIX

FXAIX Risk / Return Rank: 66
FXAIX Sharpe Ratio Rank: 64
FXAIX Sortino Ratio Rank: 59
FXAIX Omega Ratio Rank: 61
FXAIX Calmar Ratio Rank: 68
FXAIX Martin Ratio Rank: 79

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.

IRSQX vs. FXAIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Voya Target Retirement 2050 Fund (IRSQX) and Fidelity 500 Index Fund (FXAIX). 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.

	IRSQX	FXAIX	Difference
Sharpe ratio: Return per unit of total volatility	2.42	2.17	+0.25
Sortino ratio: Return per unit of downside risk	3.43	2.93	+0.50
Omega ratio: Gain probability vs. loss probability	1.45	1.39	+0.05
Calmar ratio: Return relative to maximum drawdown	3.32	3.04	+0.28
Martin ratio: Return relative to average drawdown	15.53	13.75	+1.78

IRSQX vs. FXAIX - Sharpe Ratio Comparison

The current IRSQX Sharpe Ratio is 2.42, which is comparable to the FXAIX Sharpe Ratio of 2.17. The chart below compares the historical Sharpe Ratios of IRSQX and FXAIX, 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

IRSQX vs. FXAIX - Drawdown Comparison

The maximum IRSQX drawdown since its inception was -33.06%, roughly equal to the maximum FXAIX drawdown of -33.79%. Use the drawdown chart below to compare losses from any high point for IRSQX and FXAIX.

Drawdown Indicators

	IRSQX	FXAIX	Difference
Max Drawdown Largest peak-to-trough decline	-33.06%	-33.79%	+0.73%
Max Drawdown (1Y) Largest decline over 1 year	-9.42%	-8.89%	-0.53%
Max Drawdown (3Y) Largest decline over 3 years	-15.91%	-18.76%	+2.85%
Max Drawdown (5Y) Largest decline over 5 years	-26.14%	-24.50%	-1.64%
Max Drawdown (10Y) Largest decline over 10 years	-33.06%	-33.79%	+0.73%
Current Drawdown Current decline from peak	-0.57%	-1.36%	+0.79%
Average Drawdown Average peak-to-trough decline	-4.48%	-3.79%	-0.69%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.94%	1.96%	-0.02%

Volatility

IRSQX vs. FXAIX - Volatility Comparison

Voya Target Retirement 2050 Fund (IRSQX) and Fidelity 500 Index Fund (FXAIX) have volatilities of 4.99% and 4.77%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IRSQX	FXAIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.99%	4.77%	+0.22%
Volatility (6M) Calculated over the trailing 6-month period	10.58%	9.91%	+0.67%
Volatility (1Y) Calculated over the trailing 1-year period	12.91%	12.47%	+0.44%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.41%	17.01%	-1.60%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.19%	18.11%	-1.92%

IRSQX vs. FXAIX - Expense Ratio Comparison

IRSQX has a 0.22% expense ratio, which is higher than FXAIX's 0.02% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

IRSQX vs. FXAIX - Dividend Comparison

IRSQX's dividend yield for the trailing twelve months is around 14.18%, more than FXAIX's 1.04% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FXAIX Fidelity 500 Index Fund	1.04%	1.11%	1.25%	1.45%	1.69%	1.22%	1.60%	2.06%	2.72%	1.97%	2.52%	2.83%
IRSQX Voya Target Retirement 2050 Fund	14.18%	15.94%	1.93%	1.89%	6.50%	20.41%	2.18%	4.80%	7.33%	6.29%	1.94%	0.44%

Frequently Asked Questions

Can I hold both IRSQX and FXAIX in my portfolio?

IRSQX and FXAIX have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IRSQX or FXAIX?

IRSQX has higher volatility (4.99%) compared to FXAIX (4.77%). In terms of maximum drawdown, IRSQX dropped -33.06% vs FXAIX's -33.79%.

Which has better risk-adjusted returns?

IRSQX currently has the higher Sharpe Ratio (2.42 vs 2.17), 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.