IBIL vs. LIAE

Last updated Jun 4, 2026

IBIL (iShares iBonds Oct 2035 Term TIPS ETF) and LIAE (LifeX 2050 Inflation-Protected Longevity Income ETF) are both Inflation-Protected Bonds funds. IBIL is passively managed, while LIAE is actively managed. Over the past year, IBIL returned 6.35% vs 4.97% for LIAE. Their correlation of 0.85 suggests significant overlap in exposure. IBIL charges 0.10%/yr vs 0.25%/yr for LIAE.

Performance

IBIL vs. LIAE - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares iBonds Oct 2035 Term TIPS ETF (IBIL) and LifeX 2050 Inflation-Protected Longevity Income ETF (LIAE). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IBIL achieves a 1.59% return, which is significantly higher than LIAE's 0.84% return.

IBIL

• 1D: -0.33%
• 1M: -0.33%
• YTD: 1.59%
• 6M: 1.17%
• 1Y: 6.35%
• 3Y*: —
• 5Y*: —
• 10Y*: —

LIAE

• 1D: -0.32%
• 1M: 0.26%
• YTD: 0.84%
• 6M: 0.10%
• 1Y: 4.97%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

IBIL vs. LIAE - Yearly Performance Comparison

	2026 (YTD)	2025
IBIL iShares iBonds Oct 2035 Term TIPS ETF	1.59%	4.75%
LIAE LifeX 2050 Inflation-Protected Longevity Income ETF	0.84%	2.85%

Correlation

The correlation between IBIL and LIAE is 0.85, 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	0.85
Correlation (All Time) Calculated using the full available price history since Mar 27, 2025	0.85

The correlation between IBIL and LIAE has been stable across timeframes, ranging from 0.85 to 0.85 - a consistent structural relationship.

Return for Risk

IBIL vs. LIAE — Risk / Return Rank

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

IBIL

IBIL Risk / Return Rank: 36
IBIL Sharpe Ratio Rank: 32
IBIL Sortino Ratio Rank: 31
IBIL Omega Ratio Rank: 35
IBIL Calmar Ratio Rank: 48
IBIL Martin Ratio Rank: 36

LIAE

LIAE Risk / Return Rank: 26
LIAE Sharpe Ratio Rank: 26
LIAE Sortino Ratio Rank: 25
LIAE Omega Ratio Rank: 24
LIAE Calmar Ratio Rank: 29
LIAE Martin Ratio Rank: 26

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.

IBIL vs. LIAE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Oct 2035 Term TIPS ETF (IBIL) and LifeX 2050 Inflation-Protected Longevity Income ETF (LIAE). 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.

	IBIL	LIAE	Difference
Sharpe ratio: Return per unit of total volatility	1.14	0.90	+0.24
Sortino ratio: Return per unit of downside risk	1.61	1.33	+0.28
Omega ratio: Gain probability vs. loss probability	1.23	1.16	+0.07
Calmar ratio: Return relative to maximum drawdown	2.31	1.36	+0.96
Martin ratio: Return relative to average drawdown	5.52	3.43	+2.09
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IBIL vs. LIAE - Sharpe Ratio Comparison

The current IBIL Sharpe Ratio is 1.14, which is comparable to the LIAE Sharpe Ratio of 0.90. The chart below compares the historical Sharpe Ratios of IBIL and LIAE, 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

	IBIL	LIAE	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.14	0.90	+0.24
Sharpe Ratio (All Time) Calculated using the full available price history	0.66	0.05	+0.61

Drawdowns

IBIL vs. LIAE - Drawdown Comparison

The maximum IBIL drawdown since its inception was -5.28%, smaller than the maximum LIAE drawdown of -7.03%. Use the drawdown chart below to compare losses from any high point for IBIL and LIAE.

Drawdown Indicators

	IBIL	LIAE	Difference
Max Drawdown Largest peak-to-trough decline	-5.28%	-7.03%	+1.75%
Max Drawdown (1Y) Largest decline over 1 year	-2.76%	-3.68%	+0.92%
Current Drawdown Current decline from peak	-0.66%	-1.41%	+0.75%
Average Drawdown Average peak-to-trough decline	-1.48%	-2.52%	+1.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.15%	1.45%	-0.30%

Volatility

IBIL vs. LIAE - Volatility Comparison

The current volatility for iShares iBonds Oct 2035 Term TIPS ETF (IBIL) is 1.25%, while LifeX 2050 Inflation-Protected Longevity Income ETF (LIAE) has a volatility of 1.46%. This indicates that IBIL experiences smaller price fluctuations and is considered to be less risky than LIAE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IBIL	LIAE	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.25%	1.46%	-0.21%
Volatility (6M) Calculated over the trailing 6-month period	3.08%	3.86%	-0.78%
Volatility (1Y) Calculated over the trailing 1-year period	5.58%	5.55%	+0.03%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	8.20%	6.58%	+1.62%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	8.20%	6.58%	+1.62%

IBIL vs. LIAE - Expense Ratio Comparison

IBIL has a 0.10% expense ratio, which is lower than LIAE'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%.

Dividends

IBIL vs. LIAE - Dividend Comparison

IBIL's dividend yield for the trailing twelve months is around 3.47%, less than LIAE's 9.72% yield.

Position	TTM	2025	2024
IBIL iShares iBonds Oct 2035 Term TIPS ETF	3.47%	2.93%	0.00%
LIAE LifeX 2050 Inflation-Protected Longevity Income ETF	9.72%	10.56%	1.47%

Frequently Asked Questions

Can I hold both IBIL and LIAE in my portfolio?

IBIL and LIAE have a correlation of 0.85, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IBIL or LIAE?

LIAE has higher volatility (1.46%) compared to IBIL (1.25%). In terms of maximum drawdown, IBIL dropped -5.28% vs LIAE's -7.03%.

Which ETF is better, IBIL or LIAE?

On 1-year performance, IBIL leads with 6.35% vs 4.97% for LIAE. On fees, IBIL is cheaper at 0.10% per year. On volatility, IBIL has been the lower-risk option at 1.25%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IBIL or LIAE?

Over the 1-year period, IBIL has performed better with a 6.35% return vs 4.97%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IBIL or LIAE?

IBIL is cheaper with a 0.10% expense ratio, compared with 0.25% for LIAE.

Which ETF pays a higher dividend yield, IBIL or LIAE?

LIAE has the higher dividend yield at 9.72%, compared with 3.47% for IBIL.

What is the main difference between IBIL and LIAE?

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

Which has better risk-adjusted returns?

IBIL currently has the higher Sharpe Ratio (1.14 vs 0.90), 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.