IRTR vs. VTWNX

Last updated Apr 1, 2026

Compare and contrast key facts about Ishares Lifepath Retirement ETF (IRTR) and Vanguard Target Retirement 2020 Fund (VTWNX).

IRTR is an actively managed fund by iShares. It was launched on Oct 17, 2023. VTWNX is managed by Vanguard. It was launched on Jun 7, 2006.

Performance

IRTR vs. VTWNX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Ishares Lifepath Retirement ETF (IRTR) and Vanguard Target Retirement 2020 Fund (VTWNX). The values are adjusted to include any dividend payments, if applicable.

IRTR vs. VTWNX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
IRTR Ishares Lifepath Retirement ETF	-0.31%	12.70%	7.59%	10.63%
VTWNX Vanguard Target Retirement 2020 Fund	-1.57%	12.17%	7.57%	9.64%

Returns By Period

In the year-to-date period, IRTR achieves a -0.31% return, which is significantly higher than VTWNX's -1.57% return.

IRTR

• 1D: 1.37%
• 1M: -3.29%
• YTD: -0.31%
• 6M: 1.31%
• 1Y: 10.76%
• 3Y*: —
• 5Y*: —
• 10Y*: —

VTWNX

• 1D: 0.11%
• 1M: -4.29%
• YTD: -1.57%
• 6M: 0.06%
• 1Y: 9.17%
• 3Y*: 8.51%
• 5Y*: 4.17%
• 10Y*: 6.31%

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

IRTR vs. VTWNX - Expense Ratio Comparison

Both IRTR and VTWNX have an expense ratio of 0.08%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

IRTR

Ishares Lifepath Retirement ETF

VTWNX

Vanguard Target Retirement 2020 Fund

Return for Risk

IRTR vs. VTWNX — Risk / Return Rank

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

IRTR

IRTR Risk / Return Rank: 80
IRTR Sharpe Ratio Rank: 79
IRTR Sortino Ratio Rank: 82
IRTR Omega Ratio Rank: 80
IRTR Calmar Ratio Rank: 78
IRTR Martin Ratio Rank: 82

VTWNX

VTWNX Risk / Return Rank: 82
VTWNX Sharpe Ratio Rank: 81
VTWNX Sortino Ratio Rank: 83
VTWNX Omega Ratio Rank: 79
VTWNX Calmar Ratio Rank: 82
VTWNX Martin Ratio Rank: 82

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.

IRTR vs. VTWNX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Ishares Lifepath Retirement ETF (IRTR) and Vanguard Target Retirement 2020 Fund (VTWNX). 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.

	IRTR	VTWNX	Difference
Sharpe ratio Return per unit of total volatility	1.40	1.48	-0.09
Sortino ratio Return per unit of downside risk	2.05	2.11	-0.05
Omega ratio Gain probability vs. loss probability	1.30	1.30	-0.01
Calmar ratio Return relative to maximum drawdown	2.00	1.98	+0.01
Martin ratio Return relative to average drawdown	8.72	8.25	+0.47
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IRTR vs. VTWNX - Sharpe Ratio Comparison

The current IRTR Sharpe Ratio is 1.40, which is comparable to the VTWNX Sharpe Ratio of 1.48. The chart below compares the historical Sharpe Ratios of IRTR and VTWNX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	IRTR	VTWNX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.40	1.48	-0.09
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.57	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.77	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.81	0.52	+1.29

Correlation

The correlation between IRTR and VTWNX is 0.96, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

IRTR vs. VTWNX - Dividend Comparison

IRTR's dividend yield for the trailing twelve months is around 3.07%, less than VTWNX's 8.33% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IRTR Ishares Lifepath Retirement ETF	3.07%	3.03%	3.03%	0.85%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VTWNX Vanguard Target Retirement 2020 Fund	8.33%	8.20%	9.35%	6.20%	4.99%	19.57%	6.28%	3.54%	4.94%	0.73%	2.74%	4.15%

Drawdowns

IRTR vs. VTWNX - Drawdown Comparison

The maximum IRTR drawdown since its inception was -6.29%, smaller than the maximum VTWNX drawdown of -42.16%. Use the drawdown chart below to compare losses from any high point for IRTR and VTWNX.

Drawdown Indicators

	IRTR	VTWNX	Difference
Max Drawdown Largest peak-to-trough decline	-6.29%	-42.16%	+35.87%
Max Drawdown (1Y) Largest decline over 1 year	-5.48%	-4.50%	-0.98%
Max Drawdown (5Y) Largest decline over 5 years	—	-19.38%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-19.38%	—
Current Drawdown Current decline from peak	-3.32%	-4.32%	+1.00%
Average Drawdown Average peak-to-trough decline	-0.79%	-4.83%	+4.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.26%	1.08%	+0.18%

Volatility

IRTR vs. VTWNX - Volatility Comparison

Ishares Lifepath Retirement ETF (IRTR) has a higher volatility of 3.14% compared to Vanguard Target Retirement 2020 Fund (VTWNX) at 2.40%. This indicates that IRTR's price experiences larger fluctuations and is considered to be riskier than VTWNX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IRTR	VTWNX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.14%	2.40%	+0.74%
Volatility (6M) Calculated over the trailing 6-month period	4.42%	3.81%	+0.61%
Volatility (1Y) Calculated over the trailing 1-year period	7.73%	6.31%	+1.42%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.04%	7.37%	-0.33%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.04%	8.26%	-1.22%