IBIL vs. LIBD

Last updated Aug 4, 2026

IBIL (iShares iBonds Oct 2035 Term TIPS ETF) and LIBD (LifeX 2065 Inflation-Protected Longevity Income ETF) are both Inflation-Protected Bonds funds. IBIL is passively managed, while LIBD is actively managed. Over the past year, IBIL returned 2.51% vs -1.67% for LIBD. Their 0.78 correlation means they have sometimes moved together and sometimes differently. IBIL charges 0.10%/yr vs 0.25%/yr for LIBD.

Performance

IBIL vs. LIBD - 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 2065 Inflation-Protected Longevity Income ETF (LIBD). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IBIL achieves a 0.60% return, which is significantly higher than LIBD's -2.58% return.

IBIL

• 1D: 0.13%
• 1M: -0.59%
• 6M: 0.56%
• YTD: 0.60%
• 1Y: 2.51%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 3.96%

LIBD

• 1D: 0.36%
• 1M: -2.91%
• 6M: -2.25%
• YTD: -2.58%
• 1Y: -1.67%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: -2.05%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
IBIL iShares iBonds Oct 2035 Term TIPS ETF	$384.77K	$347.69K	$275.27K
LIBD LifeX 2065 Inflation-Protected Longevity Income ETF	$6.72K	$11.19K	$6.51K

IBIL vs. LIBD - Yearly Performance Comparison

	2026 (YTD)	2025
IBIL iShares iBonds Oct 2035 Term TIPS ETF	0.60%	4.77%
LIBD LifeX 2065 Inflation-Protected Longevity Income ETF	-2.58%	-0.22%

Correlation

The correlation between IBIL and LIBD is 0.77, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.77
Correlation (All Time) Calculated using the full available price history since Mar 26, 2025	0.78

The correlation between IBIL and LIBD has been stable across timeframes, ranging from 0.77 to 0.78 - a consistent structural relationship.

Return for Risk

IBIL vs. LIBD — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

IBIL

IBIL Risk / Return Rank: 22
IBIL Sharpe Ratio Rank: 20
IBIL Sortino Ratio Rank: 18
IBIL Omega Ratio Rank: 19
IBIL Calmar Ratio Rank: 27
IBIL Martin Ratio Rank: 25

LIBD

LIBD Risk / Return Rank: 7
LIBD Sharpe Ratio Rank: 8
LIBD Sortino Ratio Rank: 7
LIBD Omega Ratio Rank: 7
LIBD Calmar Ratio Rank: 8
LIBD Martin Ratio Rank: 7

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

IBIL vs. LIBD - 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 2065 Inflation-Protected Longevity Income ETF (LIBD). 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.

	IBIL	LIBD	Difference
Sharpe ratio: Return per unit of total volatility	0.46	-0.21	+0.67
Sortino ratio: Return per unit of downside risk	0.66	-0.25	+0.91
Omega ratio: Gain probability vs. loss probability	1.09	0.97	+0.12
Calmar ratio: Return relative to maximum drawdown	0.92	-0.24	+1.16
Martin ratio: Return relative to average drawdown	2.03	-0.49	+2.52

IBIL vs. LIBD - Sharpe Ratio Comparison

The current IBIL Sharpe Ratio is 0.46, which is higher than the LIBD Sharpe Ratio of -0.21. The chart below compares the historical Sharpe Ratios of IBIL and LIBD, 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

IBIL vs. LIBD - Drawdown Comparison

The maximum IBIL drawdown since its inception was -5.28%, smaller than the maximum LIBD drawdown of -7.31%. Use the drawdown chart below to compare losses from any high point for IBIL and LIBD.

Drawdown Indicators

	IBIL	LIBD	Difference
Max Drawdown Largest peak-to-trough decline	-5.28%	-7.31%	+2.03%
Max Drawdown (1Y) Largest decline over 1 year	-2.76%	-6.96%	+4.20%
Current Drawdown Current decline from peak	-1.62%	-6.63%	+5.01%
Average Drawdown Average peak-to-trough decline	-1.44%	-3.47%	+2.03%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.24%	3.42%	-2.18%

Volatility

IBIL vs. LIBD - Volatility Comparison

The current volatility for iShares iBonds Oct 2035 Term TIPS ETF (IBIL) is 1.01%, while LifeX 2065 Inflation-Protected Longevity Income ETF (LIBD) has a volatility of 1.86%. This indicates that IBIL experiences smaller price fluctuations and is considered to be less risky than LIBD based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IBIL	LIBD	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.01%	1.86%	-0.85%
Volatility (6M) Calculated over the trailing 6-month period	3.30%	5.84%	-2.54%
Volatility (1Y) Calculated over the trailing 1-year period	5.55%	7.83%	-2.28%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.85%	9.93%	-2.08%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.85%	9.93%	-2.08%

IBIL vs. LIBD - Expense Ratio Comparison

IBIL has a 0.10% expense ratio, which is lower than LIBD'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. LIBD - Dividend Comparison

IBIL's dividend yield for the trailing twelve months is around 5.14%, less than LIBD's 11.85% yield.

Position	TTM	2025
IBIL iShares iBonds Oct 2035 Term TIPS ETF	5.14%	2.93%
LIBD LifeX 2065 Inflation-Protected Longevity Income ETF	11.48%	13.52%

Frequently Asked Questions

Can I hold both IBIL and LIBD in my portfolio?

IBIL and LIBD have a correlation of 0.77, 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 LIBD?

LIBD has higher volatility (1.86%) compared to IBIL (1.01%). In terms of maximum drawdown, IBIL dropped -5.28% vs LIBD's -7.31%.

Which ETF is better, IBIL or LIBD?

On 1-year performance, IBIL leads with 2.51% vs -1.67% for LIBD. On fees, IBIL is cheaper at 0.10% per year. On volatility, IBIL has been the lower-risk option at 1.01%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IBIL or LIBD?

Over the 1-year period, IBIL has performed better with a 2.51% return vs -1.67%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IBIL or LIBD?

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

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

LIBD has the higher dividend yield at 11.85%, compared with 5.14% for IBIL.

What is the main difference between IBIL and LIBD?

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

Which has better risk-adjusted returns?

IBIL currently has the higher Sharpe Ratio (0.46 vs -0.21), 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.