LIAM vs. LDRI

Last updated Jun 6, 2026

LIAM (LifeX 2055 Inflation-Protected Longevity Income ETF) and LDRI (iShares iBonds 1-5 Year TIPS Ladder ETF) are both Inflation-Protected Bonds funds. LIAM is actively managed, while LDRI is passively managed. Over the past year, LIAM returned 3.56% vs 4.45% for LDRI. At a 0.42 correlation, their price movements are largely independent. LIAM charges 0.25%/yr vs 0.10%/yr for LDRI.

Performance

LIAM vs. LDRI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in LifeX 2055 Inflation-Protected Longevity Income ETF (LIAM) and iShares iBonds 1-5 Year TIPS Ladder ETF (LDRI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LIAM achieves a 0.34% return, which is significantly lower than LDRI's 1.73% return.

LIAM

• 1D: -0.64%
• 1M: -0.63%
• YTD: 0.34%
• 6M: -0.10%
• 1Y: 3.56%
• 3Y*: —
• 5Y*: —
• 10Y*: —

LDRI

• 1D: -0.23%
• 1M: -0.00%
• YTD: 1.73%
• 6M: 1.84%
• 1Y: 4.45%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

LIAM vs. LDRI - Yearly Performance Comparison

	2026 (YTD)	2025	2024
LIAM LifeX 2055 Inflation-Protected Longevity Income ETF	0.34%	5.26%	-3.62%
LDRI iShares iBonds 1-5 Year TIPS Ladder ETF	1.73%	5.94%	0.10%

Correlation

The correlation between LIAM and LDRI is 0.39, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.39
Correlation (All Time) Calculated using the full available price history since Nov 11, 2024	0.42

Return for Risk

LIAM vs. LDRI — Risk / Return Rank

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

LIAM

LIAM Risk / Return Rank: 19
LIAM Sharpe Ratio Rank: 19
LIAM Sortino Ratio Rank: 18
LIAM Omega Ratio Rank: 17
LIAM Calmar Ratio Rank: 20
LIAM Martin Ratio Rank: 19

LDRI

LDRI Risk / Return Rank: 87
LDRI Sharpe Ratio Rank: 77
LDRI Sortino Ratio Rank: 84
LDRI Omega Ratio Rank: 88
LDRI Calmar Ratio Rank: 95
LDRI Martin Ratio Rank: 90

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.

LIAM vs. LDRI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for LifeX 2055 Inflation-Protected Longevity Income ETF (LIAM) and iShares iBonds 1-5 Year TIPS Ladder ETF (LDRI). 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.

	LIAM	LDRI	Difference
Sharpe ratio: Return per unit of total volatility	0.56	2.36	-1.80
Sortino ratio: Return per unit of downside risk	0.84	3.57	-2.73
Omega ratio: Gain probability vs. loss probability	1.10	1.52	-0.43
Calmar ratio: Return relative to maximum drawdown	0.80	7.46	-6.66
Martin ratio: Return relative to average drawdown	1.92	20.13	-18.21
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

LIAM vs. LDRI - Sharpe Ratio Comparison

The current LIAM Sharpe Ratio is 0.56, which is lower than the LDRI Sharpe Ratio of 2.36. The chart below compares the historical Sharpe Ratios of LIAM and LDRI, 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

	LIAM	LDRI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.56	2.36	-1.80
Sharpe Ratio (All Time) Calculated using the full available price history	-0.14	2.19	-2.33

Drawdowns

LIAM vs. LDRI - Drawdown Comparison

The maximum LIAM drawdown since its inception was -8.39%, which is greater than LDRI's maximum drawdown of -0.85%. Use the drawdown chart below to compare losses from any high point for LIAM and LDRI.

Drawdown Indicators

	LIAM	LDRI	Difference
Max Drawdown Largest peak-to-trough decline	-8.39%	-0.85%	-7.54%
Max Drawdown (1Y) Largest decline over 1 year	-4.45%	-0.60%	-3.85%
Current Drawdown Current decline from peak	-2.60%	-0.23%	-2.37%
Average Drawdown Average peak-to-trough decline	-3.35%	-0.20%	-3.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.86%	0.22%	+1.64%

Volatility

LIAM vs. LDRI - Volatility Comparison

LifeX 2055 Inflation-Protected Longevity Income ETF (LIAM) has a higher volatility of 1.80% compared to iShares iBonds 1-5 Year TIPS Ladder ETF (LDRI) at 0.47%. This indicates that LIAM's price experiences larger fluctuations and is considered to be riskier than LDRI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LIAM	LDRI	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.80%	0.47%	+1.33%
Volatility (6M) Calculated over the trailing 6-month period	4.52%	1.40%	+3.12%
Volatility (1Y) Calculated over the trailing 1-year period	6.35%	1.89%	+4.46%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.66%	2.28%	+5.38%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.66%	2.28%	+5.38%

LIAM vs. LDRI - Expense Ratio Comparison

LIAM has a 0.25% expense ratio, which is higher than LDRI's 0.10% 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

LIAM vs. LDRI - Dividend Comparison

LIAM's dividend yield for the trailing twelve months is around 6.48%, more than LDRI's 3.53% yield.

Position	TTM	2025	2024
LDRI iShares iBonds 1-5 Year TIPS Ladder ETF	3.53%	4.23%	0.83%
LIAM LifeX 2055 Inflation-Protected Longevity Income ETF	6.48%	9.02%	1.21%

Frequently Asked Questions

Can I hold both LIAM and LDRI in my portfolio?

LIAM and LDRI have a correlation of 0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LIAM or LDRI?

LIAM has higher volatility (1.80%) compared to LDRI (0.47%). In terms of maximum drawdown, LIAM dropped -8.39% vs LDRI's -0.85%.

Which ETF is better, LIAM or LDRI?

On 1-year performance, LDRI leads with 4.45% vs 3.56% for LIAM. On fees, LDRI is cheaper at 0.10% per year. On volatility, LDRI has been the lower-risk option at 0.47%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, LIAM or LDRI?

Over the 1-year period, LDRI has performed better with a 4.45% return vs 3.56%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, LIAM or LDRI?

LDRI is cheaper with a 0.10% expense ratio, compared with 0.25% for LIAM.

Which ETF pays a higher dividend yield, LIAM or LDRI?

LIAM has the higher dividend yield at 6.48%, compared with 3.53% for LDRI.

What is the main difference between LIAM and LDRI?

They also come from different issuers: Stone Ridge and iShares. Their fees differ too: 0.25% for LIAM and 0.10% for LDRI.

Which has better risk-adjusted returns?

LDRI currently has the higher Sharpe Ratio (2.36 vs 0.56), 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.