FETH vs. YCS

Last updated Aug 6, 2026

FETH (Fidelity Ethereum Fund) and YCS (ProShares UltraShort Yen) are both exchange-traded funds - FETH is a Cryptocurrency fund tracking the Fidelity Ethereum Reference Rate Index, while YCS is a Leveraged Currency fund tracking the JPY/USD 4:00 p.m. ET Cross Rate. Both are passively managed. Over the past year, FETH returned -46.51% vs 22.68% for YCS. Their 0.01 correlation means their historical movements had little consistent relationship. FETH charges 0.25%/yr vs 0.95%/yr for YCS.

Performance

FETH vs. YCS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Ethereum Fund (FETH) 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, FETH achieves a -35.56% return, which is significantly lower than YCS's 5.40% return.

FETH

• 1D: 2.25%
• 1M: 6.83%
• 6M: -11.67%
• YTD: -35.56%
• 1Y: -46.51%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: -25.84%

YCS

• 1D: -0.02%
• 1M: -4.94%
• 6M: 4.42%
• YTD: 5.40%
• 1Y: 22.68%
• 3Y*: 17.44%
• 5Y*: 22.89%
• 10Y*: 13.35%
• ALL TIME*: 6.33%

*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)
FETH Fidelity Ethereum Fund	$29.45M	$28.89M	$34.55M
YCS ProShares UltraShort Yen	$2.59M	$2.15M	$1.60M

FETH vs. YCS - Yearly Performance Comparison

	2026 (YTD)	2025	2024
FETH Fidelity Ethereum Fund	-35.56%	-11.37%	-4.68%
YCS ProShares UltraShort Yen	5.40%	9.04%	2.08%

Correlation

The correlation between FETH and YCS is -0.08, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	-0.08
Correlation (All Time) Calculated using the full available price history since Jul 23, 2024	0.01

Return for Risk

FETH vs. YCS — Risk / Return Rank

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

FETH

FETH Risk / Return Rank: 4
FETH Sharpe Ratio Rank: 3
FETH Sortino Ratio Rank: 4
FETH Omega Ratio Rank: 4
FETH Calmar Ratio Rank: 4
FETH Martin Ratio Rank: 4

YCS

YCS Risk / Return Rank: 56
YCS Sharpe Ratio Rank: 49
YCS Sortino Ratio Rank: 43
YCS Omega Ratio Rank: 52
YCS Calmar Ratio Rank: 68
YCS Martin Ratio Rank: 70

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.

FETH vs. YCS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Ethereum Fund (FETH) 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.

	FETH	YCS	Difference
Sharpe ratio: Return per unit of total volatility	-0.70	1.39	-2.09
Sortino ratio: Return per unit of downside risk	-0.85	1.80	-2.65
Omega ratio: Gain probability vs. loss probability	0.91	1.27	-0.37
Calmar ratio: Return relative to maximum drawdown	-0.69	2.69	-3.37
Martin ratio: Return relative to average drawdown	-1.01	9.73	-10.74

FETH vs. YCS - Sharpe Ratio Comparison

The current FETH Sharpe Ratio is -0.70, which is lower than the YCS Sharpe Ratio of 1.39. The chart below compares the historical Sharpe Ratios of FETH 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

FETH vs. YCS - Drawdown Comparison

The maximum FETH drawdown since its inception was -67.94%, which is greater than YCS's maximum drawdown of -49.56%. Use the drawdown chart below to compare losses from any high point for FETH and YCS.

Drawdown Indicators

	FETH	YCS	Difference
Max Drawdown Largest peak-to-trough decline	-67.94%	-49.56%	-18.38%
Max Drawdown (1Y) Largest decline over 1 year	-67.94%	-8.48%	-59.46%
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	-60.58%	-7.34%	-53.24%
Average Drawdown Average peak-to-trough decline	-35.40%	-19.75%	-15.65%
Ulcer Index Depth and duration of drawdowns from previous peaks	45.94%	2.34%	+43.60%

Volatility

FETH vs. YCS - Volatility Comparison

Fidelity Ethereum Fund (FETH) has a higher volatility of 11.35% compared to ProShares UltraShort Yen (YCS) at 5.95%. This indicates that FETH's price experiences larger fluctuations and is considered to be riskier than YCS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FETH	YCS	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.35%	5.95%	+5.40%
Volatility (6M) Calculated over the trailing 6-month period	43.48%	11.87%	+31.61%
Volatility (1Y) Calculated over the trailing 1-year period	66.83%	16.43%	+50.40%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	71.04%	21.21%	+49.83%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	71.04%	18.61%	+52.43%

FETH vs. YCS - Expense Ratio Comparison

FETH has a 0.25% expense ratio, which is lower than YCS's 0.95% expense ratio.

Dividends

FETH vs. YCS - Dividend Comparison

Neither FETH nor YCS has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both FETH and YCS in my portfolio?

FETH and YCS have a correlation of -0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FETH or YCS?

FETH has higher volatility (11.35%) compared to YCS (5.95%). In terms of maximum drawdown, FETH dropped -67.94% vs YCS's -49.56%.

Which ETF is better, FETH or YCS?

On 1-year performance, YCS leads with 22.68% vs -46.51% for FETH. On fees, FETH is cheaper at 0.25% per year. On volatility, YCS has been the lower-risk option at 5.95%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, FETH or YCS?

Over the 1-year period, YCS has performed better with a 22.68% return vs -46.51%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, FETH or YCS?

FETH is cheaper with a 0.25% expense ratio, compared with 0.95% for YCS.

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

FETH and YCS have nearly identical dividend yields, around 0.00%.

What is the main difference between FETH and YCS?

FETH is categorized as Cryptocurrency, while YCS is Leveraged Currency. FETH tracks Fidelity Ethereum Reference Rate Index, while YCS tracks JPY/USD 4:00 p.m. ET Cross Rate. They also come from different issuers: Fidelity and ProShares. Their fees differ too: 0.25% for FETH and 0.95% for YCS.

Which has better risk-adjusted returns?

YCS currently has the higher Sharpe Ratio (1.39 vs -0.70), 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.