ITDF vs. TRRNX

Last updated Jun 24, 2026

ITDF (Ishares Lifepath Target Date 2050 ETF) and TRRNX (T. Rowe Price Retirement 2055 Fund) are both Target Retirement Date funds. Over the past year, ITDF returned 24.75% vs 20.36% for TRRNX. Their correlation of 0.95 suggests significant overlap in exposure. ITDF charges 0.11%/yr vs 0.65%/yr for TRRNX.

Performance

ITDF vs. TRRNX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Ishares Lifepath Target Date 2050 ETF (ITDF) and T. Rowe Price Retirement 2055 Fund (TRRNX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ITDF achieves a 9.93% return, which is significantly lower than TRRNX's 11.26% return.

ITDF

• 1D: -1.59%
• 1M: -0.07%
• YTD: 9.93%
• 6M: 9.22%
• 1Y: 24.75%
• 3Y*: —
• 5Y*: —
• 10Y*: —

TRRNX

• 1D: -0.08%
• 1M: 1.24%
• YTD: 11.26%
• 6M: 10.53%
• 1Y: 20.36%
• 3Y*: 16.82%
• 5Y*: 8.22%
• 10Y*: 11.53%

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

ITDF vs. TRRNX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
ITDF Ishares Lifepath Target Date 2050 ETF	9.93%	20.86%	16.15%	12.92%
TRRNX T. Rowe Price Retirement 2055 Fund	11.26%	14.33%	14.24%	11.04%

Correlation

The correlation between ITDF and TRRNX is 0.94, 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	0.94
Correlation (All Time) Calculated using the full available price history since Oct 19, 2023	0.95

The correlation between ITDF and TRRNX has been stable across timeframes, ranging from 0.94 to 0.95 - a consistent structural relationship.

Return for Risk

ITDF vs. TRRNX — Risk / Return Rank

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

ITDF

ITDF Risk / Return Rank: 63
ITDF Sharpe Ratio Rank: 63
ITDF Sortino Ratio Rank: 62
ITDF Omega Ratio Rank: 63
ITDF Calmar Ratio Rank: 58
ITDF Martin Ratio Rank: 67

TRRNX

TRRNX Risk / Return Rank: 39
TRRNX Sharpe Ratio Rank: 37
TRRNX Sortino Ratio Rank: 35
TRRNX Omega Ratio Rank: 40
TRRNX Calmar Ratio Rank: 38
TRRNX Martin Ratio Rank: 46

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.

ITDF vs. TRRNX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Ishares Lifepath Target Date 2050 ETF (ITDF) and T. Rowe Price Retirement 2055 Fund (TRRNX). 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.

	ITDF	TRRNX	Difference
Sharpe ratio: Return per unit of total volatility	1.95	1.65	+0.31
Sortino ratio: Return per unit of downside risk	2.72	2.30	+0.42
Omega ratio: Gain probability vs. loss probability	1.36	1.31	+0.05
Calmar ratio: Return relative to maximum drawdown	2.67	2.21	+0.46
Martin ratio: Return relative to average drawdown	11.57	9.09	+2.48

ITDF vs. TRRNX - Sharpe Ratio Comparison

The current ITDF Sharpe Ratio is 1.95, which is comparable to the TRRNX Sharpe Ratio of 1.65. The chart below compares the historical Sharpe Ratios of ITDF and TRRNX, 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

ITDF vs. TRRNX - Drawdown Comparison

The maximum ITDF drawdown since its inception was -15.67%, smaller than the maximum TRRNX drawdown of -53.59%. Use the drawdown chart below to compare losses from any high point for ITDF and TRRNX.

Drawdown Indicators

	ITDF	TRRNX	Difference
Max Drawdown Largest peak-to-trough decline	-15.67%	-53.59%	+37.92%
Max Drawdown (1Y) Largest decline over 1 year	-9.32%	-9.84%	+0.52%
Max Drawdown (3Y) Largest decline over 3 years	—	-15.61%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-28.03%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-32.54%	—
Current Drawdown Current decline from peak	-2.16%	-0.55%	-1.61%
Average Drawdown Average peak-to-trough decline	-1.52%	-7.56%	+6.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.14%	2.37%	-0.23%

Volatility

ITDF vs. TRRNX - Volatility Comparison

Ishares Lifepath Target Date 2050 ETF (ITDF) and T. Rowe Price Retirement 2055 Fund (TRRNX) have volatilities of 4.95% and 4.80%, 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

	ITDF	TRRNX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.95%	4.80%	+0.15%
Volatility (6M) Calculated over the trailing 6-month period	10.57%	11.10%	-0.53%
Volatility (1Y) Calculated over the trailing 1-year period	12.74%	13.23%	-0.49%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.02%	15.43%	-1.41%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.02%	15.60%	-1.58%

ITDF vs. TRRNX - Expense Ratio Comparison

ITDF has a 0.11% expense ratio, which is lower than TRRNX's 0.65% expense ratio.

Dividends

ITDF vs. TRRNX - Dividend Comparison

ITDF's dividend yield for the trailing twelve months is around 1.50%, while TRRNX has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ITDF Ishares Lifepath Target Date 2050 ETF	1.50%	1.65%	1.55%	0.85%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
TRRNX T. Rowe Price Retirement 2055 Fund	0.00%	0.00%	1.77%	3.81%	7.01%	5.83%	3.40%	5.41%	7.55%	2.12%	2.62%	3.50%

Frequently Asked Questions

Can I hold both ITDF and TRRNX in my portfolio?

With a correlation of 0.94, ITDF and TRRNX 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, ITDF or TRRNX?

ITDF has higher volatility (4.95%) compared to TRRNX (4.80%). In terms of maximum drawdown, ITDF dropped -15.67% vs TRRNX's -53.59%.

Which has better risk-adjusted returns?

ITDF currently has the higher Sharpe Ratio (1.95 vs 1.65), 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.