ITDF vs. LDDR

Last updated Apr 1, 2026

Compare and contrast key facts about Ishares Lifepath Target Date 2050 ETF (ITDF) and LifeX 2035 Income Bucket ETF (LDDR).

ITDF and LDDR are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. ITDF is an actively managed fund by iShares. It was launched on Oct 17, 2023. LDDR is an actively managed fund by STONE RIDGE. It was launched on Jan 3, 2025.

Performance

ITDF vs. LDDR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Ishares Lifepath Target Date 2050 ETF (ITDF) and LifeX 2035 Income Bucket ETF (LDDR). The values are adjusted to include any dividend payments, if applicable.

ITDF vs. LDDR - Yearly Performance Comparison

	2026 (YTD)	2025
ITDF Ishares Lifepath Target Date 2050 ETF	-1.48%	19.37%
LDDR LifeX 2035 Income Bucket ETF	0.11%	6.74%

Returns By Period

In the year-to-date period, ITDF achieves a -1.48% return, which is significantly lower than LDDR's 0.11% return.

ITDF

• 1D: 2.81%
• 1M: -6.25%
• YTD: -1.48%
• 6M: 1.38%
• 1Y: 20.07%
• 3Y*: —
• 5Y*: —
• 10Y*: —

LDDR

• 1D: 0.20%
• 1M: -1.43%
• YTD: 0.11%
• 6M: 1.09%
• 1Y: 3.80%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ITDF vs. LDDR - Expense Ratio Comparison

ITDF has a 0.11% expense ratio, which is lower than LDDR's 0.25% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

LDDR

LifeX 2035 Income Bucket ETF

ITDF

Ishares Lifepath Target Date 2050 ETF

Return for Risk

ITDF vs. LDDR — Risk / Return Rank

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

ITDF

ITDF Risk / Return Rank: 73
ITDF Sharpe Ratio Rank: 71
ITDF Sortino Ratio Rank: 74
ITDF Omega Ratio Rank: 74
ITDF Calmar Ratio Rank: 71
ITDF Martin Ratio Rank: 77

LDDR

LDDR Risk / Return Rank: 53
LDDR Sharpe Ratio Rank: 54
LDDR Sortino Ratio Rank: 54
LDDR Omega Ratio Rank: 45
LDDR Calmar Ratio Rank: 63
LDDR Martin Ratio Rank: 50

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. LDDR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Ishares Lifepath Target Date 2050 ETF (ITDF) and LifeX 2035 Income Bucket ETF (LDDR). 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.

	ITDF	LDDR	Difference
Sharpe ratio Return per unit of total volatility	1.24	0.99	+0.25
Sortino ratio Return per unit of downside risk	1.83	1.44	+0.39
Omega ratio Gain probability vs. loss probability	1.27	1.18	+0.09
Calmar ratio Return relative to maximum drawdown	1.77	1.65	+0.12
Martin ratio Return relative to average drawdown	8.13	4.96	+3.17
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ITDF vs. LDDR - Sharpe Ratio Comparison

The current ITDF Sharpe Ratio is 1.24, which is comparable to the LDDR Sharpe Ratio of 0.99. The chart below compares the historical Sharpe Ratios of ITDF and LDDR, 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

	ITDF	LDDR	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.24	0.99	+0.25
Sharpe Ratio (All Time) Calculated using the full available price history	1.45	1.35	+0.10

Correlation

The correlation between ITDF and LDDR is 0.15, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

ITDF vs. LDDR - Dividend Comparison

ITDF's dividend yield for the trailing twelve months is around 1.67%, less than LDDR's 12.25% yield.

	TTM	2025	2024	2023
ITDF Ishares Lifepath Target Date 2050 ETF	1.67%	1.65%	1.55%	0.85%
LDDR LifeX 2035 Income Bucket ETF	12.25%	14.63%	0.00%	0.00%

Drawdowns

ITDF vs. LDDR - Drawdown Comparison

The maximum ITDF drawdown since its inception was -15.67%, which is greater than LDDR's maximum drawdown of -2.38%. Use the drawdown chart below to compare losses from any high point for ITDF and LDDR.

Drawdown Indicators

	ITDF	LDDR	Difference
Max Drawdown Largest peak-to-trough decline	-15.67%	-2.38%	-13.29%
Max Drawdown (1Y) Largest decline over 1 year	-11.43%	-2.38%	-9.05%
Current Drawdown Current decline from peak	-6.77%	-1.43%	-5.34%
Average Drawdown Average peak-to-trough decline	-1.54%	-0.56%	-0.98%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.49%	0.79%	+1.70%

Volatility

ITDF vs. LDDR - Volatility Comparison

Ishares Lifepath Target Date 2050 ETF (ITDF) has a higher volatility of 6.03% compared to LifeX 2035 Income Bucket ETF (LDDR) at 1.27%. This indicates that ITDF's price experiences larger fluctuations and is considered to be riskier than LDDR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ITDF	LDDR	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.03%	1.27%	+4.76%
Volatility (6M) Calculated over the trailing 6-month period	9.34%	2.13%	+7.21%
Volatility (1Y) Calculated over the trailing 1-year period	16.23%	3.87%	+12.36%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.89%	4.15%	+9.74%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.89%	4.15%	+9.74%