FETH vs. RBIL

Last updated Jun 5, 2026

FETH (Fidelity Ethereum Fund) and RBIL (F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF) are both exchange-traded funds - FETH is a Cryptocurrency fund tracking the Fidelity Ethereum Reference Rate Index, while RBIL is a Inflation-Protected Bonds fund tracking the Bloomberg US Ultrashort TIPS 1-13 Months Index. Both are passively managed. Over the past year, FETH returned -32.61% vs 4.57% for RBIL. At a correlation of -0.10, they often move in opposite directions. FETH charges 0.00%/yr vs 0.17%/yr for RBIL.

Performance

FETH vs. RBIL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Ethereum Fund (FETH) and F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FETH achieves a -40.26% return, which is significantly lower than RBIL's 2.70% return.

FETH

• 1D: -1.34%
• 1M: -25.20%
• YTD: -40.26%
• 6M: -43.59%
• 1Y: -32.61%
• 3Y*: —
• 5Y*: —
• 10Y*: —

RBIL

• 1D: 0.06%
• 1M: 0.38%
• YTD: 2.70%
• 6M: 2.79%
• 1Y: 4.57%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

FETH vs. RBIL - Yearly Performance Comparison

	2026 (YTD)	2025
FETH Fidelity Ethereum Fund	-40.26%	19.11%
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF	2.70%	2.91%

Correlation

The correlation between FETH and RBIL is -0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.09
Correlation (All Time) Calculated using the full available price history since Feb 26, 2025	-0.10

Return for Risk

FETH vs. RBIL — Risk / Return Rank

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

FETH

FETH Risk / Return Rank: 5
FETH Sharpe Ratio Rank: 5
FETH Sortino Ratio Rank: 6
FETH Omega Ratio Rank: 6
FETH Calmar Ratio Rank: 5
FETH Martin Ratio Rank: 5

RBIL

RBIL Risk / Return Rank: 98
RBIL Sharpe Ratio Rank: 97
RBIL Sortino Ratio Rank: 98
RBIL Omega Ratio Rank: 98
RBIL Calmar Ratio Rank: 98
RBIL Martin Ratio Rank: 98

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.

FETH vs. RBIL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Ethereum Fund (FETH) and F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL). 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.

	FETH	RBIL	Difference
Sharpe ratio: Return per unit of total volatility	-0.48	5.01	-5.49
Sortino ratio: Return per unit of downside risk	-0.34	7.92	-8.26
Omega ratio: Gain probability vs. loss probability	0.96	2.39	-1.43
Calmar ratio: Return relative to maximum drawdown	-0.52	17.00	-17.51
Martin ratio: Return relative to average drawdown	-0.86	70.66	-71.52
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FETH vs. RBIL - Sharpe Ratio Comparison

The current FETH Sharpe Ratio is -0.48, which is lower than the RBIL Sharpe Ratio of 5.01. The chart below compares the historical Sharpe Ratios of FETH and RBIL, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	FETH	RBIL	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.48	5.01	-5.49
Sharpe Ratio (All Time) Calculated using the full available price history	-0.42	4.28	-4.70

Drawdowns

FETH vs. RBIL - Drawdown Comparison

The maximum FETH drawdown since its inception was -64.00%, which is greater than RBIL's maximum drawdown of -0.50%. Use the drawdown chart below to compare losses from any high point for FETH and RBIL.

Drawdown Indicators

	FETH	RBIL	Difference
Max Drawdown Largest peak-to-trough decline	-64.00%	-0.50%	-63.50%
Max Drawdown (1Y) Largest decline over 1 year	-63.45%	-0.27%	-63.18%
Current Drawdown Current decline from peak	-63.45%	0.00%	-63.45%
Average Drawdown Average peak-to-trough decline	-32.79%	-0.06%	-32.73%
Ulcer Index Depth and duration of drawdowns from previous peaks	38.03%	0.07%	+37.96%

Volatility

FETH vs. RBIL - Volatility Comparison

Fidelity Ethereum Fund (FETH) has a higher volatility of 9.77% compared to F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL) at 0.30%. This indicates that FETH's price experiences larger fluctuations and is considered to be riskier than RBIL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FETH	RBIL	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.77%	0.30%	+9.47%
Volatility (6M) Calculated over the trailing 6-month period	45.28%	0.79%	+44.49%
Volatility (1Y) Calculated over the trailing 1-year period	68.41%	0.92%	+67.49%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	72.20%	1.05%	+71.15%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	72.20%	1.05%	+71.15%

FETH vs. RBIL - Expense Ratio Comparison

FETH has a 0.00% expense ratio, which is lower than RBIL's 0.17% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

FETH vs. RBIL - Dividend Comparison

FETH has not paid dividends to shareholders, while RBIL's dividend yield for the trailing twelve months is around 4.60%.

Position	TTM	2025
FETH Fidelity Ethereum Fund	0.00%	0.00%
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF	4.60%	3.65%

Frequently Asked Questions

Can I hold both FETH and RBIL in my portfolio?

FETH and RBIL have a correlation of -0.09, 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 RBIL?

FETH has higher volatility (9.77%) compared to RBIL (0.30%). In terms of maximum drawdown, FETH dropped -64.00% vs RBIL's -0.50%.

Which ETF is better, FETH or RBIL?

On 1-year performance, RBIL leads with 4.57% vs -32.61% for FETH. On fees, FETH is cheaper at 0.00% per year. On volatility, RBIL has been the lower-risk option at 0.30%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, FETH or RBIL?

Over the 1-year period, RBIL has performed better with a 4.57% return vs -32.61%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, FETH or RBIL?

FETH is cheaper with a 0.00% expense ratio, compared with 0.17% for RBIL.

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

RBIL has the higher dividend yield at 4.60%, compared with 0.00% for FETH.

What is the main difference between FETH and RBIL?

FETH is categorized as Cryptocurrency, while RBIL is Inflation-Protected Bonds. FETH tracks Fidelity Ethereum Reference Rate Index, while RBIL tracks Bloomberg US Ultrashort TIPS 1-13 Months Index. They also come from different issuers: Fidelity and F/m. Their fees differ too: 0.00% for FETH and 0.17% for RBIL.

Which has better risk-adjusted returns?

RBIL currently has the higher Sharpe Ratio (5.01 vs -0.48), 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.