LFBE vs. SPTL
LFBE (LifeX 2065 Longevity Income ETF) and SPTL (SPDR Portfolio Long Term Treasury ETF) are both Government Bonds funds. LFBE is actively managed, while SPTL is passively managed. Over the past year, LFBE returned 4.42% vs 5.22% for SPTL. With a 0.99 correlation, they move nearly in lockstep. LFBE charges 0.25%/yr vs 0.03%/yr for SPTL.
Performance
LFBE vs. SPTL - Performance Comparison
Loading charts...
Returns By Period
As of year-to-date, both investments have demonstrated similar returns, with LFBE at -0.38% and SPTL at -0.38%.
LFBE
- 1D
- -0.36%
- 1M
- 0.65%
- YTD
- -0.38%
- 6M
- -1.72%
- 1Y
- 4.42%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
SPTL
- 1D
- -0.38%
- 1M
- 0.71%
- YTD
- -0.38%
- 6M
- -1.67%
- 1Y
- 5.22%
- 3Y*
- -0.70%
- 5Y*
- -5.32%
- 10Y*
- -1.12%
LFBE vs. SPTL - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
LFBE LifeX 2065 Longevity Income ETF | -0.38% | 5.14% |
SPTL SPDR Portfolio Long Term Treasury ETF | -0.38% | 5.85% |
Correlation
The correlation between LFBE and SPTL is 0.99 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.99 |
Correlation (All Time) Calculated using the full available price history since Jan 7, 2025 | 0.99 |
The correlation between LFBE and SPTL has been stable across timeframes, ranging from 0.99 to 0.99 - a consistent structural relationship.
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
LFBE vs. SPTL — Risk / Return Rank
LFBE
SPTL
LFBE vs. SPTL - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for LifeX 2065 Longevity Income ETF (LFBE) and SPDR Portfolio Long Term Treasury ETF (SPTL). 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.
| LFBE | SPTL | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.05 | ||
| Sortino ratioReturn per unit of downside risk | -0.08 | ||
| Omega ratioGain probability vs. loss probability | 1.09 | 1.10 | -0.01 |
| Calmar ratioReturn relative to maximum drawdown | 0.66 | 0.74 | -0.09 |
| Martin ratioReturn relative to average drawdown | 1.72 | 1.94 | -0.22 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading charts...
Sharpe Ratios by Period
| LFBE | SPTL | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.53 | 0.59 | -0.05 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | -0.37 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | -0.08 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.36 | 0.24 | +0.12 |
Drawdowns
LFBE vs. SPTL - Drawdown Comparison
The maximum LFBE drawdown since its inception was -7.65%, smaller than the maximum SPTL drawdown of -46.20%. Use the drawdown chart below to compare losses from any high point for LFBE and SPTL.
Loading charts...
Drawdown Indicators
| LFBE | SPTL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -7.65% | -46.20% | +38.55% |
Max Drawdown (1Y)Largest decline over 1 year | -6.76% | -7.04% | +0.28% |
Max Drawdown (3Y)Largest decline over 3 years | — | -17.55% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -41.02% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -46.20% | — |
Current DrawdownCurrent decline from peak | -4.11% | -36.87% | +32.76% |
Average DrawdownAverage peak-to-trough decline | -2.89% | -14.24% | +11.35% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.57% | 2.69% | -0.12% |
Volatility
LFBE vs. SPTL - Volatility Comparison
LifeX 2065 Longevity Income ETF (LFBE) and SPDR Portfolio Long Term Treasury ETF (SPTL) have volatilities of 2.57% and 2.63%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| LFBE | SPTL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.57% | 2.63% | -0.06% |
Volatility (6M)Calculated over the trailing 6-month period | 5.73% | 5.97% | -0.24% |
Volatility (1Y)Calculated over the trailing 1-year period | 8.31% | 8.92% | -0.61% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 9.37% | 14.63% | -5.26% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 9.37% | 13.95% | -4.58% |
LFBE vs. SPTL - Expense Ratio Comparison
LFBE has a 0.25% expense ratio, which is higher than SPTL's 0.03% 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. SPTL - Dividend Comparison
LFBE's dividend yield for the trailing twelve months is around 8.29%, more than SPTL's 4.21% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
LFBE LifeX 2065 Longevity Income ETF | 8.29% | 12.22% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
SPTL SPDR Portfolio Long Term Treasury ETF | 4.21% | 4.12% | 4.03% | 3.24% | 2.75% | 1.68% | 1.71% | 2.45% | 2.69% | 2.53% | 2.56% | 2.60% |
Frequently Asked Questions
With a correlation of 0.99, LFBE and SPTL 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.
SPTL has higher volatility (2.63%) compared to LFBE (2.57%). In terms of maximum drawdown, LFBE dropped -7.65% vs SPTL's -46.20%.
On 1-year performance, SPTL leads with 5.22% vs 4.42% for LFBE. On fees, SPTL is cheaper at 0.03% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, SPTL has performed better with a 5.22% return vs 4.42%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
SPTL is cheaper with a 0.03% expense ratio, compared with 0.25% for LFBE.
LFBE has the higher dividend yield at 8.29%, compared with 4.21% for SPTL.
They also come from different issuers: Stone Ridge and State Street. Their fees differ too: 0.25% for LFBE and 0.03% for SPTL.
SPTL currently has the higher Sharpe Ratio (0.59 vs 0.53), 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 LFBE and SPTL
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