IRSMX vs. PTDIX

Last updated Jun 4, 2026

IRSMX (Voya Target Retirement 2030 Fund) and PTDIX (Principal LifeTime 2040 Fund) are both Target Retirement Date funds. Over the past 10 years, IRSMX returned 8.98%/yr vs 10.55%/yr for PTDIX. With a 0.96 correlation, they move nearly in lockstep. IRSMX charges 0.23%/yr vs 0.01%/yr for PTDIX.

Performance

IRSMX vs. PTDIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Voya Target Retirement 2030 Fund (IRSMX) and Principal LifeTime 2040 Fund (PTDIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IRSMX achieves a 8.63% return, which is significantly higher than PTDIX's 7.80% return. Over the past 10 years, IRSMX has underperformed PTDIX with an annualized return of 8.98%, while PTDIX has yielded a comparatively higher 10.55% annualized return.

IRSMX

• 1D: 0.26%
• 1M: 3.89%
• YTD: 8.63%
• 6M: 9.11%
• 1Y: 20.49%
• 3Y*: 14.45%
• 5Y*: 6.94%
• 10Y*: 8.98%

PTDIX

• 1D: 0.34%
• 1M: 3.88%
• YTD: 7.80%
• 6M: 8.09%
• 1Y: 19.26%
• 3Y*: 17.13%
• 5Y*: 8.31%
• 10Y*: 10.55%

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

IRSMX vs. PTDIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IRSMX Voya Target Retirement 2030 Fund	8.63%	15.34%	10.71%	15.66%	-17.50%	13.44%	14.49%	20.69%	-6.80%	17.34%
PTDIX Principal LifeTime 2040 Fund	7.80%	15.59%	17.43%	18.33%	-18.13%	15.35%	16.04%	24.91%	-7.95%	20.69%

Correlation

The correlation between IRSMX and PTDIX is 0.87, 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	0.87
Correlation (3Y) Calculated over the trailing 3-year period	0.93
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 26, 2012	0.96

The correlation between IRSMX and PTDIX has been stable across timeframes, ranging from 0.87 to 0.96 - a consistent structural relationship.

Return for Risk

IRSMX vs. PTDIX — Risk / Return Rank

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

IRSMX

IRSMX Risk / Return Rank: 82
IRSMX Sharpe Ratio Rank: 84
IRSMX Sortino Ratio Rank: 85
IRSMX Omega Ratio Rank: 79
IRSMX Calmar Ratio Rank: 77
IRSMX Martin Ratio Rank: 86

PTDIX

PTDIX Risk / Return Rank: 50
PTDIX Sharpe Ratio Rank: 46
PTDIX Sortino Ratio Rank: 46
PTDIX Omega Ratio Rank: 47
PTDIX Calmar Ratio Rank: 49
PTDIX Martin Ratio Rank: 60

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.

IRSMX vs. PTDIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Voya Target Retirement 2030 Fund (IRSMX) and Principal LifeTime 2040 Fund (PTDIX). 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.

	IRSMX	PTDIX	Difference
Sharpe ratio: Return per unit of total volatility	2.73	2.00	+0.73
Sortino ratio: Return per unit of downside risk	4.12	2.84	+1.28
Omega ratio: Gain probability vs. loss probability	1.52	1.37	+0.15
Calmar ratio: Return relative to maximum drawdown	3.45	2.68	+0.77
Martin ratio: Return relative to average drawdown	16.48	11.94	+4.54
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IRSMX vs. PTDIX - Sharpe Ratio Comparison

The current IRSMX Sharpe Ratio is 2.73, which is higher than the PTDIX Sharpe Ratio of 2.00. The chart below compares the historical Sharpe Ratios of IRSMX and PTDIX, 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

	IRSMX	PTDIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.73	2.00	+0.73
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.65	0.62	+0.03
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.76	0.77	0.00
Sharpe Ratio (All Time) Calculated using the full available price history	0.77	0.48	+0.29

Drawdowns

IRSMX vs. PTDIX - Drawdown Comparison

The maximum IRSMX drawdown since its inception was -27.22%, smaller than the maximum PTDIX drawdown of -54.38%. Use the drawdown chart below to compare losses from any high point for IRSMX and PTDIX.

Drawdown Indicators

	IRSMX	PTDIX	Difference
Max Drawdown Largest peak-to-trough decline	-27.22%	-54.38%	+27.16%
Max Drawdown (1Y) Largest decline over 1 year	-6.59%	-7.32%	+0.73%
Max Drawdown (3Y) Largest decline over 3 years	-10.18%	-13.05%	+2.87%
Max Drawdown (5Y) Largest decline over 5 years	-23.27%	-25.43%	+2.16%
Max Drawdown (10Y) Largest decline over 10 years	-27.22%	-30.02%	+2.80%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-3.84%	-7.49%	+3.65%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.33%	1.64%	-0.31%

Volatility

IRSMX vs. PTDIX - Volatility Comparison

Voya Target Retirement 2030 Fund (IRSMX) and Principal LifeTime 2040 Fund (PTDIX) have volatilities of 2.78% and 2.89%, 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

	IRSMX	PTDIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.78%	2.89%	-0.11%
Volatility (6M) Calculated over the trailing 6-month period	6.86%	7.85%	-0.99%
Volatility (1Y) Calculated over the trailing 1-year period	8.32%	9.81%	-1.49%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	10.95%	13.49%	-2.54%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.91%	13.83%	-1.92%

IRSMX vs. PTDIX - Expense Ratio Comparison

IRSMX has a 0.23% expense ratio, which is higher than PTDIX's 0.01% 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

IRSMX vs. PTDIX - Dividend Comparison

IRSMX's dividend yield for the trailing twelve months is around 8.57%, less than PTDIX's 9.09% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IRSMX Voya Target Retirement 2030 Fund	8.57%	9.31%	1.72%	2.49%	5.34%	14.03%	4.41%	4.09%	5.56%	5.10%	2.37%	0.38%
PTDIX Principal LifeTime 2040 Fund	9.09%	9.80%	12.28%	4.40%	8.61%	8.92%	6.01%	7.26%	9.28%	6.07%	4.86%	6.73%

Frequently Asked Questions

Can I hold both IRSMX and PTDIX in my portfolio?

IRSMX and PTDIX have a correlation of 0.87, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IRSMX or PTDIX?

PTDIX has higher volatility (2.89%) compared to IRSMX (2.78%). In terms of maximum drawdown, IRSMX dropped -27.22% vs PTDIX's -54.38%.

Which has better risk-adjusted returns?

IRSMX currently has the higher Sharpe Ratio (2.73 vs 2.00), 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.