RBIL vs. CEPI

Last updated Aug 4, 2026

RBIL (F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF) and CEPI (REX Crypto Equity Premium Income ETF) are both exchange-traded funds - RBIL is a Inflation-Protected Bonds fund tracking the Bloomberg US Ultrashort TIPS 1-13 Months Index, while CEPI is a Derivative Income fund actively managed by REX. RBIL is passively managed, while CEPI is actively managed. Over the past year, RBIL returned 3.92% vs 23.11% for CEPI. Their -0.13 correlation means they have often moved in opposite directions in the past. RBIL charges 0.17%/yr vs 0.85%/yr for CEPI.

Performance

RBIL vs. CEPI - Performance Comparison

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

Returns By Period

In the year-to-date period, RBIL achieves a 2.68% return, which is significantly lower than CEPI's 17.46% return.

RBIL

• 1D: -0.02%
• 1M: 0.24%
• 6M: 2.36%
• YTD: 2.68%
• 1Y: 3.92%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 3.88%

CEPI

• 1D: 2.01%
• 1M: 0.84%
• 6M: 14.49%
• YTD: 17.46%
• 1Y: 23.11%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 12.13%

*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)
CEPI REX Crypto Equity Premium Income ETF	$1.23M	$1.28M	$1.61M
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF	$1.11M	$1.90M	$2.32M

RBIL vs. CEPI - Yearly Performance Comparison

	2026 (YTD)	2025
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF	2.68%	2.85%
CEPI REX Crypto Equity Premium Income ETF	17.46%	9.91%

Correlation

The correlation between RBIL and CEPI is -0.17, 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.	-0.17
Correlation (All Time) Calculated using the full available price history since Feb 25, 2025	-0.13

Return for Risk

RBIL vs. CEPI — Risk / Return Rank

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

RBIL

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

CEPI

CEPI Risk / Return Rank: 31
CEPI Sharpe Ratio Rank: 32
CEPI Sortino Ratio Rank: 32
CEPI Omega Ratio Rank: 32
CEPI Calmar Ratio Rank: 31
CEPI Martin Ratio Rank: 28

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.

RBIL vs. CEPI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL) and REX Crypto Equity Premium Income ETF (CEPI). 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.

	RBIL	CEPI	Difference
Sharpe ratio: Return per unit of total volatility	4.11	0.79	+3.31
Sortino ratio: Return per unit of downside risk	6.33	1.24	+5.08
Omega ratio: Gain probability vs. loss probability	2.05	1.16	+0.89
Calmar ratio: Return relative to maximum drawdown	7.00	1.03	+5.97
Martin ratio: Return relative to average drawdown	28.60	2.40	+26.20

RBIL vs. CEPI - Sharpe Ratio Comparison

The current RBIL Sharpe Ratio is 4.11, which is higher than the CEPI Sharpe Ratio of 0.79. The chart below compares the historical Sharpe Ratios of RBIL and CEPI, 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

RBIL vs. CEPI - Drawdown Comparison

The maximum RBIL drawdown since its inception was -0.56%, smaller than the maximum CEPI drawdown of -29.48%. Use the drawdown chart below to compare losses from any high point for RBIL and CEPI.

Drawdown Indicators

	RBIL	CEPI	Difference
Max Drawdown Largest peak-to-trough decline	-0.56%	-29.48%	+28.92%
Max Drawdown (1Y) Largest decline over 1 year	-0.56%	-22.47%	+21.91%
Current Drawdown Current decline from peak	-0.15%	-5.73%	+5.58%
Average Drawdown Average peak-to-trough decline	-0.08%	-8.23%	+8.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.14%	9.65%	-9.51%

Volatility

RBIL vs. CEPI - Volatility Comparison

The current volatility for F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL) is 0.30%, while REX Crypto Equity Premium Income ETF (CEPI) has a volatility of 11.47%. This indicates that RBIL experiences smaller price fluctuations and is considered to be less risky than CEPI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RBIL	CEPI	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.30%	11.47%	-11.17%
Volatility (6M) Calculated over the trailing 6-month period	0.90%	23.71%	-22.81%
Volatility (1Y) Calculated over the trailing 1-year period	0.96%	29.38%	-28.42%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.06%	31.91%	-30.85%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.06%	31.91%	-30.85%

RBIL vs. CEPI - Expense Ratio Comparison

RBIL has a 0.17% expense ratio, which is lower than CEPI's 0.85% expense ratio.

Dividends

RBIL vs. CEPI - Dividend Comparison

RBIL's dividend yield for the trailing twelve months is around 4.16%, less than CEPI's 44.70% yield.

Position	TTM	2025
CEPI REX Crypto Equity Premium Income ETF	44.70%	50.78%
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF	4.16%	3.65%

Frequently Asked Questions

Can I hold both RBIL and CEPI in my portfolio?

RBIL and CEPI have a correlation of -0.17, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RBIL or CEPI?

CEPI has higher volatility (11.47%) compared to RBIL (0.30%). In terms of maximum drawdown, RBIL dropped -0.56% vs CEPI's -29.48%.

Which ETF is better, RBIL or CEPI?

On 1-year performance, CEPI leads with 23.11% vs 3.92% for RBIL. On fees, RBIL is cheaper at 0.17% 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, RBIL or CEPI?

Over the 1-year period, CEPI has performed better with a 23.11% return vs 3.92%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, RBIL or CEPI?

RBIL is cheaper with a 0.17% expense ratio, compared with 0.85% for CEPI.

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

CEPI has the higher dividend yield at 44.70%, compared with 4.16% for RBIL.

What is the main difference between RBIL and CEPI?

RBIL is categorized as Inflation-Protected Bonds, while CEPI is Derivative Income. They also come from different issuers: F/m and REX. Their fees differ too: 0.17% for RBIL and 0.85% for CEPI.

Which has better risk-adjusted returns?

RBIL currently has the higher Sharpe Ratio (4.11 vs 0.79), 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.