LIAM vs. RINF

Last updated Aug 1, 2026

LIAM (LifeX 2055 Inflation-Protected Longevity Income ETF) and RINF (ProShares Inflation Expectations ETF) are both Inflation-Protected Bonds funds. LIAM is actively managed, while RINF is passively managed. Over the past year, LIAM returned -0.73% vs 4.68% for RINF. Their -0.26 correlation means they have often moved in opposite directions in the past. LIAM charges 0.25%/yr vs 0.30%/yr for RINF.

Performance

LIAM vs. RINF - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in LifeX 2055 Inflation-Protected Longevity Income ETF (LIAM) and ProShares Inflation Expectations ETF (RINF). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LIAM achieves a -1.89% return, which is significantly lower than RINF's 3.18% return.

LIAM

• 1D: -0.42%
• 1M: -2.48%
• 6M: -2.00%
• YTD: -1.89%
• 1Y: -0.73%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: -2.19%

RINF

• 1D: 0.46%
• 1M: 1.46%
• 6M: 2.89%
• YTD: 3.18%
• 1Y: 4.68%
• 3Y*: 3.98%
• 5Y*: 5.76%
• 10Y*: 4.81%
• ALL TIME*: 1.02%

*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)
LIAM LifeX 2055 Inflation-Protected Longevity Income ETF	$16.80K	$47.00K	$60.53K
RINF ProShares Inflation Expectations ETF	$118.15K	$123.66K	$133.91K

LIAM vs. RINF - Yearly Performance Comparison

	2026 (YTD)	2025	2024
LIAM LifeX 2055 Inflation-Protected Longevity Income ETF	-1.89%	5.26%	-7.09%
RINF ProShares Inflation Expectations ETF	3.18%	1.64%	6.01%

Correlation

The correlation between LIAM and RINF is -0.21, meaning they have often moved in opposite directions in the past. This relationship can weaken or reverse as market conditions change.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	-0.21
Correlation (All Time) Calculated using the full available price history since Sep 16, 2024	-0.26

Return for Risk

LIAM vs. RINF — Risk / Return Rank

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

LIAM

LIAM Risk / Return Rank: 11
LIAM Sharpe Ratio Rank: 12
LIAM Sortino Ratio Rank: 10
LIAM Omega Ratio Rank: 10
LIAM Calmar Ratio Rank: 11
LIAM Martin Ratio Rank: 11

RINF

RINF Risk / Return Rank: 37
RINF Sharpe Ratio Rank: 35
RINF Sortino Ratio Rank: 34
RINF Omega Ratio Rank: 31
RINF Calmar Ratio Rank: 46
RINF Martin Ratio Rank: 39

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.

LIAM vs. RINF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for LifeX 2055 Inflation-Protected Longevity Income ETF (LIAM) and ProShares Inflation Expectations ETF (RINF). 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.

	LIAM	RINF	Difference
Sharpe ratio: Return per unit of total volatility	0.01	0.88	-0.86
Sortino ratio: Return per unit of downside risk	0.06	1.28	-1.22
Omega ratio: Gain probability vs. loss probability	1.01	1.15	-0.15
Calmar ratio: Return relative to maximum drawdown	0.02	1.64	-1.62
Martin ratio: Return relative to average drawdown	0.04	4.07	-4.03

LIAM vs. RINF - Sharpe Ratio Comparison

The current LIAM Sharpe Ratio is 0.01, which is lower than the RINF Sharpe Ratio of 0.88. The chart below compares the historical Sharpe Ratios of LIAM and RINF, 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

LIAM vs. RINF - Drawdown Comparison

The maximum LIAM drawdown since its inception was -8.39%, smaller than the maximum RINF drawdown of -43.51%. Use the drawdown chart below to compare losses from any high point for LIAM and RINF.

Drawdown Indicators

	LIAM	RINF	Difference
Max Drawdown Largest peak-to-trough decline	-8.39%	-43.51%	+35.12%
Max Drawdown (1Y) Largest decline over 1 year	-4.76%	-2.29%	-2.47%
Max Drawdown (3Y) Largest decline over 3 years	—	-9.62%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-13.58%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-29.18%	—
Current Drawdown Current decline from peak	-4.76%	0.00%	-4.76%
Average Drawdown Average peak-to-trough decline	-3.31%	-16.28%	+12.97%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.20%	0.93%	+1.27%

Volatility

LIAM vs. RINF - Volatility Comparison

LifeX 2055 Inflation-Protected Longevity Income ETF (LIAM) and ProShares Inflation Expectations ETF (RINF) have volatilities of 1.42% and 1.48%, 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.

Volatility by Period

	LIAM	RINF	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.42%	1.48%	-0.06%
Volatility (6M) Calculated over the trailing 6-month period	4.74%	3.13%	+1.61%
Volatility (1Y) Calculated over the trailing 1-year period	6.24%	4.33%	+1.91%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.55%	12.51%	-4.96%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.55%	12.54%	-4.99%

LIAM vs. RINF - Expense Ratio Comparison

LIAM has a 0.25% expense ratio, which is lower than RINF's 0.30% expense ratio.

Dividends

LIAM vs. RINF - Dividend Comparison

LIAM's dividend yield for the trailing twelve months is around 6.59%, more than RINF's 3.63% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
LIAM LifeX 2055 Inflation-Protected Longevity Income ETF	6.59%	9.02%	1.21%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
RINF ProShares Inflation Expectations ETF	3.63%	3.89%	4.68%	5.07%	1.15%	2.76%	0.82%	1.90%	2.47%	2.99%	1.09%	1.83%

Frequently Asked Questions

Can I hold both LIAM and RINF in my portfolio?

LIAM and RINF have a correlation of -0.21, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LIAM or RINF?

RINF has higher volatility (1.48%) compared to LIAM (1.42%). In terms of maximum drawdown, LIAM dropped -8.39% vs RINF's -43.51%.

Which ETF is better, LIAM or RINF?

On 1-year performance, RINF leads with 4.68% vs -0.73% for LIAM. On fees, LIAM is cheaper at 0.25% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, LIAM or RINF?

Over the 1-year period, RINF has performed better with a 4.68% return vs -0.73%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, LIAM or RINF?

LIAM is cheaper with a 0.25% expense ratio, compared with 0.30% for RINF.

Which ETF pays a higher dividend yield, LIAM or RINF?

LIAM has the higher dividend yield at 6.59%, compared with 3.63% for RINF.

What is the main difference between LIAM and RINF?

They also come from different issuers: Stone Ridge and ProShares. Their fees differ too: 0.25% for LIAM and 0.30% for RINF.

Which has better risk-adjusted returns?

RINF currently has the higher Sharpe Ratio (0.88 vs 0.01), 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.