LFAO vs. IBTF
LFAO (LifeX 2055 Longevity Income ETF) and IBTF (iShares iBonds Dec 2025 Term Treasury ETF) are both Government Bonds funds. LFAO is actively managed, while IBTF is passively managed. Over the past year, LFAO returned -1.13% vs 1.44% for IBTF. Their 0.03 correlation means their historical movements had little consistent relationship. LFAO charges 0.25%/yr vs 0.07%/yr for IBTF.
Performance
LFAO vs. IBTF - Performance Comparison
Loading charts...
Returns By Period
LFAO
- 1D
- -0.60%
- 1M
- -2.77%
- 6M
- -2.59%
- YTD
- -2.61%
- 1Y
- -1.13%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- -3.10%
IBTF
- 1D
- 0.00%
- 1M
- 0.00%
- 6M
- 0.00%
- YTD
- 0.00%
- 1Y
- 1.44%
- 3Y*
- 3.75%
- 5Y*
- 0.81%
- 10Y*
- —
- ALL TIME*
- 1.12%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $25.23K | $13.84K | $16.25K |
LFAO vs. IBTF - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
LFAO LifeX 2055 Longevity Income ETF | -2.61% | 5.65% | -8.36% |
IBTF iShares iBonds Dec 2025 Term Treasury ETF | 0.00% | 3.81% | 1.24% |
Correlation
The correlation between LFAO and IBTF is -0.06, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | -0.06 |
Correlation (All Time) Calculated using the full available price history since Sep 16, 2024 | 0.03 |
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
LFAO vs. IBTF — Risk / Return Rank
LFAO
IBTF
LFAO vs. IBTF - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for LifeX 2055 Longevity Income ETF (LFAO) and iShares iBonds Dec 2025 Term Treasury ETF (IBTF). 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.
| LFAO | IBTF | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -6.02 | ||
| Sortino ratioReturn per unit of downside risk | -20.48 | ||
| Omega ratioGain probability vs. loss probability | 1.01 | 7.18 | -6.18 |
| Calmar ratioReturn relative to maximum drawdown | 0.01 | 40.36 | -40.35 |
| Martin ratioReturn relative to average drawdown | 0.01 | 261.59 | -261.58 |
Loading charts...
Drawdowns
LFAO vs. IBTF - Drawdown Comparison
The maximum LFAO drawdown since its inception was -10.12%, roughly equal to the maximum IBTF drawdown of -10.45%. Use the drawdown chart below to compare losses from any high point for LFAO and IBTF.
Loading charts...
Drawdown Indicators
| LFAO | IBTF | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -10.12% | -10.45% | +0.33% |
Max Drawdown (1Y)Largest decline over 1 year | -5.86% | -0.04% | -5.82% |
Max Drawdown (3Y)Largest decline over 3 years | — | -0.43% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -9.53% | — |
Current DrawdownCurrent decline from peak | -5.78% | 0.00% | -5.78% |
Average DrawdownAverage peak-to-trough decline | -4.50% | -3.24% | -1.26% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.59% | 0.01% | +2.58% |
Volatility
LFAO vs. IBTF - Volatility Comparison
LifeX 2055 Longevity Income ETF (LFAO) has a higher volatility of 1.78% compared to iShares iBonds Dec 2025 Term Treasury ETF (IBTF) at 0.00%. This indicates that LFAO's price experiences larger fluctuations and is considered to be riskier than IBTF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| LFAO | IBTF | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.78% | 0.00% | +1.78% |
Volatility (6M)Calculated over the trailing 6-month period | 5.23% | 0.06% | +5.17% |
Volatility (1Y)Calculated over the trailing 1-year period | 6.83% | 0.29% | +6.54% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 7.98% | 2.35% | +5.63% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 7.98% | 2.53% | +5.45% |
LFAO vs. IBTF - Expense Ratio Comparison
LFAO has a 0.25% expense ratio, which is higher than IBTF's 0.07% 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
LFAO vs. IBTF - Dividend Comparison
LFAO's dividend yield for the trailing twelve months is around 11.20%, more than IBTF's 1.72% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 |
|---|---|---|---|---|---|---|---|
IBTF iShares iBonds Dec 2025 Term Treasury ETF | 1.37% | 3.83% | 4.32% | 4.03% | 1.93% | 0.57% | 0.59% |
LFAO LifeX 2055 Longevity Income ETF | 11.20% | 14.33% | 1.64% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
LFAO and IBTF have a correlation of -0.06, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
LFAO has higher volatility (1.78%) compared to IBTF (0.00%). In terms of maximum drawdown, LFAO dropped -10.12% vs IBTF's -10.45%.
On 1-year performance, IBTF leads with 1.44% vs -1.13% for LFAO. On fees, IBTF is cheaper at 0.07% per year. On volatility, IBTF has been the lower-risk option at 0.00%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, IBTF has performed better with a 1.44% return vs -1.13%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBTF is cheaper with a 0.07% expense ratio, compared with 0.25% for LFAO.
LFAO has the higher dividend yield at 11.20%, compared with 1.37% for IBTF.
They also come from different issuers: Stone Ridge and iShares. Their fees differ too: 0.25% for LFAO and 0.07% for IBTF.
IBTF currently has the higher Sharpe Ratio (6.02 vs 0.00), 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.
Find the right allocation for LFAO and IBTF
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer