LIAM vs. YCS

Last updated Aug 4, 2026

LIAM (LifeX 2055 Inflation-Protected Longevity Income ETF) and YCS (ProShares UltraShort Yen) are both exchange-traded funds - LIAM is a Inflation-Protected Bonds fund actively managed by Stone Ridge, while YCS is a Leveraged Currency fund tracking the USD/JPY Exchange Rate (-200%). LIAM is actively managed, while YCS is passively managed. Over the past year, LIAM returned -0.40% vs 21.34% for YCS. Their -0.38 correlation means they have often moved in opposite directions in the past. LIAM charges 0.25%/yr vs 1.00%/yr for YCS.

Performance

LIAM vs. YCS - 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 UltraShort Yen (YCS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LIAM achieves a -1.56% return, which is significantly lower than YCS's 4.11% return.

LIAM

• 1D: 0.33%
• 1M: -2.16%
• 6M: -1.39%
• YTD: -1.56%
• 1Y: -0.40%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: -2.01%

YCS

• 1D: -2.97%
• 1M: -5.17%
• 6M: 5.08%
• YTD: 4.11%
• 1Y: 21.34%
• 3Y*: 16.96%
• 5Y*: 22.90%
• 10Y*: 13.21%
• ALL TIME*: 6.26%

*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	$14.45K	$46.99K	$61.55K
YCS ProShares UltraShort Yen	$2.37M	$2.29M	$1.56M

LIAM vs. YCS - Yearly Performance Comparison

	2026 (YTD)	2025	2024
LIAM LifeX 2055 Inflation-Protected Longevity Income ETF	-1.56%	5.26%	-7.09%
YCS ProShares UltraShort Yen	4.11%	9.04%	25.13%

Correlation

The correlation between LIAM and YCS is -0.35, 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.	-0.35
Correlation (All Time) Calculated using the full available price history since Sep 16, 2024	-0.38

Return for Risk

LIAM vs. YCS — Risk / Return Rank

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

LIAM

LIAM Risk / Return Rank: 9
LIAM Sharpe Ratio Rank: 9
LIAM Sortino Ratio Rank: 8
LIAM Omega Ratio Rank: 9
LIAM Calmar Ratio Rank: 9
LIAM Martin Ratio Rank: 9

YCS

YCS Risk / Return Rank: 59
YCS Sharpe Ratio Rank: 51
YCS Sortino Ratio Rank: 45
YCS Omega Ratio Rank: 56
YCS Calmar Ratio Rank: 70
YCS Martin Ratio Rank: 74

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. YCS - 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 UltraShort Yen (YCS). 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	YCS	Difference
Sharpe ratio: Return per unit of total volatility	-0.07	1.31	-1.37
Sortino ratio: Return per unit of downside risk	-0.05	1.71	-1.76
Omega ratio: Gain probability vs. loss probability	0.99	1.26	-0.26
Calmar ratio: Return relative to maximum drawdown	-0.08	2.53	-2.61
Martin ratio: Return relative to average drawdown	-0.18	9.53	-9.71

LIAM vs. YCS - Sharpe Ratio Comparison

The current LIAM Sharpe Ratio is -0.07, which is lower than the YCS Sharpe Ratio of 1.31. The chart below compares the historical Sharpe Ratios of LIAM and YCS, 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. YCS - Drawdown Comparison

The maximum LIAM drawdown since its inception was -8.39%, smaller than the maximum YCS drawdown of -49.56%. Use the drawdown chart below to compare losses from any high point for LIAM and YCS.

Drawdown Indicators

	LIAM	YCS	Difference
Max Drawdown Largest peak-to-trough decline	-8.39%	-49.56%	+41.17%
Max Drawdown (1Y) Largest decline over 1 year	-4.76%	-8.48%	+3.72%
Max Drawdown (3Y) Largest decline over 3 years	—	-23.05%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-27.32%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-27.32%	—
Current Drawdown Current decline from peak	-4.45%	-8.48%	+4.03%
Average Drawdown Average peak-to-trough decline	-3.31%	-19.75%	+16.44%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.22%	2.24%	-0.02%

Volatility

LIAM vs. YCS - Volatility Comparison

The current volatility for LifeX 2055 Inflation-Protected Longevity Income ETF (LIAM) is 1.45%, while ProShares UltraShort Yen (YCS) has a volatility of 5.88%. This indicates that LIAM experiences smaller price fluctuations and is considered to be less risky than YCS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LIAM	YCS	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.45%	5.88%	-4.43%
Volatility (6M) Calculated over the trailing 6-month period	4.74%	11.84%	-7.10%
Volatility (1Y) Calculated over the trailing 1-year period	6.21%	16.43%	-10.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.54%	21.21%	-13.67%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.54%	18.61%	-11.07%

LIAM vs. YCS - Expense Ratio Comparison

LIAM has a 0.25% expense ratio, which is lower than YCS's 1.00% expense ratio.

Dividends

LIAM vs. YCS - Dividend Comparison

LIAM's dividend yield for the trailing twelve months is around 6.57%, while YCS has not paid dividends to shareholders.

Position	TTM	2025	2024
LIAM LifeX 2055 Inflation-Protected Longevity Income ETF	6.57%	9.02%	1.21%
YCS ProShares UltraShort Yen	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both LIAM and YCS in my portfolio?

LIAM and YCS have a correlation of -0.35, 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 YCS?

YCS has higher volatility (5.88%) compared to LIAM (1.45%). In terms of maximum drawdown, LIAM dropped -8.39% vs YCS's -49.56%.

Which ETF is better, LIAM or YCS?

On 1-year performance, YCS leads with 21.34% vs -0.40% for LIAM. On fees, LIAM is cheaper at 0.25% per year. On volatility, LIAM has been the lower-risk option at 1.45%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, LIAM or YCS?

Over the 1-year period, YCS has performed better with a 21.34% return vs -0.40%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, LIAM or YCS?

LIAM is cheaper with a 0.25% expense ratio, compared with 1.00% for YCS.

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

LIAM has the higher dividend yield at 6.57%, compared with 0.00% for YCS.

What is the main difference between LIAM and YCS?

LIAM is categorized as Inflation-Protected Bonds, while YCS is Leveraged Currency. They also come from different issuers: Stone Ridge and ProShares. Their fees differ too: 0.25% for LIAM and 1.00% for YCS.

Which has better risk-adjusted returns?

YCS currently has the higher Sharpe Ratio (1.31 vs -0.07), 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.