LFBE vs. IBGK
LFBE (LifeX 2065 Longevity Income ETF) and IBGK (iShares iBonds Dec 2054 Term Treasury ETF) are both exchange-traded funds - LFBE is a Government Bonds fund actively managed by Stone Ridge, while IBGK is a Long-Term Bond fund tracking the ICE 2054 Maturity US Treasury Index. LFBE is actively managed, while IBGK is passively managed. Over the past year, LFBE returned -1.56% vs -1.96% for IBGK. Their 0.99 correlation means they have historically moved very closely together. LFBE charges 0.25%/yr vs 0.07%/yr for IBGK.
Performance
LFBE vs. IBGK - Performance Comparison
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Returns By Period
In the year-to-date period, LFBE achieves a -2.84% return, which is significantly higher than IBGK's -3.18% return.
LFBE
- 1D
- 0.42%
- 1M
- -3.08%
- 6M
- -2.40%
- YTD
- -2.84%
- 1Y
- -1.56%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 1.37%
IBGK
- 1D
- 0.42%
- 1M
- -3.43%
- 6M
- -2.71%
- YTD
- -3.18%
- 1Y
- -1.96%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- -1.45%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $14.80K | $17.29K | $31.57K | |
| $4.00K | $2.68K | $1.34K |
LFBE vs. IBGK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
LFBE LifeX 2065 Longevity Income ETF | -2.84% | 5.14% |
IBGK iShares iBonds Dec 2054 Term Treasury ETF | -3.18% | 3.98% |
Correlation
The correlation between LFBE and IBGK is 0.99 - they have historically moved very closely together. At this level, their price movements offset little of one another.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.99 |
Correlation (All Time) Calculated using the full available price history since Jan 6, 2025 | 0.99 |
The correlation between LFBE and IBGK has been stable across timeframes, ranging from 0.99 to 0.99 - a consistent structural relationship.
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Return for Risk
LFBE vs. IBGK — Risk / Return Rank
LFBE
IBGK
LFBE vs. IBGK - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for LifeX 2065 Longevity Income ETF (LFBE) and iShares iBonds Dec 2054 Term Treasury ETF (IBGK). 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.
| LFBE | IBGK | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.03 | ||
| Sortino ratioReturn per unit of downside risk | +0.03 | ||
| Omega ratioGain probability vs. loss probability | 0.98 | 0.97 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | -0.23 | -0.26 | +0.03 |
| Martin ratioReturn relative to average drawdown | -0.51 | -0.57 | +0.07 |
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Drawdowns
LFBE vs. IBGK - Drawdown Comparison
The maximum LFBE drawdown since its inception was -7.65%, smaller than the maximum IBGK drawdown of -14.62%. Use the drawdown chart below to compare losses from any high point for LFBE and IBGK.
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Drawdown Indicators
| LFBE | IBGK | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -7.65% | -14.62% | +6.97% |
Max Drawdown (1Y)Largest decline over 1 year | -6.86% | -7.48% | +0.62% |
Current DrawdownCurrent decline from peak | -6.47% | -11.76% | +5.29% |
Average DrawdownAverage peak-to-trough decline | -3.03% | -8.15% | +5.12% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.09% | 3.44% | -0.35% |
Volatility
LFBE vs. IBGK - Volatility Comparison
The current volatility for LifeX 2065 Longevity Income ETF (LFBE) is 2.22%, while iShares iBonds Dec 2054 Term Treasury ETF (IBGK) has a volatility of 2.45%. This indicates that LFBE experiences smaller price fluctuations and is considered to be less risky than IBGK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| LFBE | IBGK | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.22% | 2.45% | -0.23% |
Volatility (6M)Calculated over the trailing 6-month period | 6.08% | 6.58% | -0.50% |
Volatility (1Y)Calculated over the trailing 1-year period | 7.99% | 8.86% | -0.87% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 9.24% | 11.62% | -2.38% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 9.24% | 11.62% | -2.38% |
LFBE vs. IBGK - Expense Ratio Comparison
LFBE has a 0.25% expense ratio, which is higher than IBGK'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
LFBE vs. IBGK - Dividend Comparison
LFBE's dividend yield for the trailing twelve months is around 8.49%, more than IBGK's 4.84% yield.
| Position | TTM | 2025 | 2024 |
|---|---|---|---|
IBGK iShares iBonds Dec 2054 Term Treasury ETF | 4.84% | 4.59% | 3.15% |
LFBE LifeX 2065 Longevity Income ETF | 8.49% | 12.22% | 0.00% |
Frequently Asked Questions
With a correlation of 0.99, LFBE and IBGK move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
IBGK has higher volatility (2.45%) compared to LFBE (2.22%). In terms of maximum drawdown, LFBE dropped -7.65% vs IBGK's -14.62%.
On 1-year performance, LFBE leads with -1.56% vs -1.96% for IBGK. On fees, IBGK is cheaper at 0.07% per year. On volatility, LFBE has been the lower-risk option at 2.22%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, LFBE has performed better with a -1.56% return vs -1.96%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBGK is cheaper with a 0.07% expense ratio, compared with 0.25% for LFBE.
LFBE has the higher dividend yield at 8.49%, compared with 4.84% for IBGK.
LFBE is categorized as Government Bonds, while IBGK is Long-Term Bond. They also come from different issuers: Stone Ridge and iShares. Their fees differ too: 0.25% for LFBE and 0.07% for IBGK.
LFBE currently has the higher Sharpe Ratio (-0.20 vs -0.22), 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.
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