LIFT vs. SPTB

Last updated Jun 5, 2026

LIFT (LifeX 2028 Income Bucket ETF) and SPTB (State Street SPDR Portfolio Treasury ETF) are both Government Bonds funds. LIFT is actively managed, while SPTB is passively managed. A 0.59 correlation means they provide meaningful diversification when combined. LIFT charges 0.25%/yr vs 0.03%/yr for SPTB.

Performance

LIFT vs. SPTB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in LifeX 2028 Income Bucket ETF (LIFT) and State Street SPDR Portfolio Treasury ETF (SPTB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LIFT achieves a 0.72% return, which is significantly higher than SPTB's 0.04% return.

LIFT

• 1D: 0.00%
• 1M: 0.16%
• YTD: 0.72%
• 6M: 0.96%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

SPTB

• 1D: 0.11%
• 1M: 0.04%
• YTD: 0.04%
• 6M: 0.00%
• 1Y: 3.36%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

LIFT vs. SPTB - Yearly Performance Comparison

	2026 (YTD)	2025
LIFT LifeX 2028 Income Bucket ETF	0.72%	1.16%
SPTB State Street SPDR Portfolio Treasury ETF	0.04%	0.85%

Correlation

The correlation between LIFT and SPTB is 0.59, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Sep 25, 2025	0.59

Return for Risk

LIFT vs. SPTB — Risk / Return Rank

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

SPTB

SPTB Risk / Return Rank: 26
SPTB Sharpe Ratio Rank: 26
SPTB Sortino Ratio Rank: 26
SPTB Omega Ratio Rank: 24
SPTB Calmar Ratio Rank: 25
SPTB 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.

LIFT vs. SPTB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for LifeX 2028 Income Bucket ETF (LIFT) and State Street SPDR Portfolio Treasury ETF (SPTB). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	LIFT	SPTB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	0.94	—
Sharpe Ratio (All Time) Calculated using the full available price history	2.23	0.93	+1.30

Drawdowns

LIFT vs. SPTB - Drawdown Comparison

The maximum LIFT drawdown since its inception was -0.49%, smaller than the maximum SPTB drawdown of -4.96%. Use the drawdown chart below to compare losses from any high point for LIFT and SPTB.

Drawdown Indicators

	LIFT	SPTB	Difference
Max Drawdown Largest peak-to-trough decline	-0.49%	-4.96%	+4.47%
Max Drawdown (1Y) Largest decline over 1 year	—	-2.90%	—
Current Drawdown Current decline from peak	-0.05%	-1.84%	+1.79%
Average Drawdown Average peak-to-trough decline	-0.09%	-1.32%	+1.23%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.98%	—

Volatility

Volatility by Period

	LIFT	SPTB	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	1.11%	—
Volatility (6M) Calculated over the trailing 6-month period	—	2.47%	—
Volatility (1Y) Calculated over the trailing 1-year period	1.24%	3.64%	-2.40%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.24%	4.41%	-3.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.24%	4.41%	-3.17%

LIFT vs. SPTB - Expense Ratio Comparison

LIFT has a 0.25% expense ratio, which is higher than SPTB'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

LIFT vs. SPTB - Dividend Comparison

LIFT's dividend yield for the trailing twelve months is around 31.05%, more than SPTB's 4.20% yield.

Position	TTM	2025	2024
LIFT LifeX 2028 Income Bucket ETF	31.05%	8.63%	0.00%
SPTB State Street SPDR Portfolio Treasury ETF	4.20%	4.23%	2.76%

Frequently Asked Questions

Can I hold both LIFT and SPTB in my portfolio?

LIFT and SPTB have a correlation of 0.59, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, LIFT or SPTB?

On fees, SPTB is cheaper at 0.03% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, LIFT or SPTB?

SPTB is cheaper with a 0.03% expense ratio, compared with 0.25% for LIFT.

Which ETF pays a higher dividend yield, LIFT or SPTB?

LIFT has the higher dividend yield at 31.05%, compared with 4.20% for SPTB.

What is the main difference between LIFT and SPTB?

They also come from different issuers: Stone Ridge and State Street. Their fees differ too: 0.25% for LIFT and 0.03% for SPTB.