FEPI vs. FIYY

Last updated Jul 15, 2026

FEPI (REX FANG & Innovation Equity Premium Income ETF) and FIYY (GraniteShares YieldBOOST 20Y+ Treasuries ETF) are both Derivative Income funds. Both are actively managed. At a 0.28 correlation, their price movements are largely independent. FEPI charges 0.65%/yr vs 1.07%/yr for FIYY.

Performance

FEPI vs. FIYY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in REX FANG & Innovation Equity Premium Income ETF (FEPI) and GraniteShares YieldBOOST 20Y+ Treasuries ETF (FIYY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

FEPI

• 1D: 1.11%
• 1M: -0.44%
• 6M: 4.03%
• YTD: 4.94%
• 1Y: 17.58%
• 3Y*: —
• 5Y*: —
• 10Y*: —

FIYY

• 1D: 0.16%
• 1M: -0.47%
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

FEPI vs. FIYY - Yearly Performance Comparison

	2026 (YTD)
FEPI REX FANG & Innovation Equity Premium Income ETF	0.65%
FIYY GraniteShares YieldBOOST 20Y+ Treasuries ETF	-1.85%

Correlation

The correlation between FEPI and FIYY is 0.28, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since May 5, 2026	0.28

Return for Risk

FEPI vs. FIYY — Risk / Return Rank

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

FEPI

FEPI Risk / Return Rank: 32
FEPI Sharpe Ratio Rank: 33
FEPI Sortino Ratio Rank: 31
FEPI Omega Ratio Rank: 32
FEPI Calmar Ratio Rank: 33
FEPI Martin Ratio Rank: 34

FIYY

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

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.

FEPI vs. FIYY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for REX FANG & Innovation Equity Premium Income ETF (FEPI) and GraniteShares YieldBOOST 20Y+ Treasuries ETF (FIYY). 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.

	FEPI	FIYY	Difference
Sharpe ratio: Return per unit of total volatility	0.97	—	—
Sortino ratio: Return per unit of downside risk	1.39	—	—
Omega ratio: Gain probability vs. loss probability	1.18	—	—
Calmar ratio: Return relative to maximum drawdown	1.37	—	—
Martin ratio: Return relative to average drawdown	4.02	—	—

Drawdowns

FEPI vs. FIYY - Drawdown Comparison

The maximum FEPI drawdown since its inception was -23.56%, which is greater than FIYY's maximum drawdown of -2.51%. Use the drawdown chart below to compare losses from any high point for FEPI and FIYY.

Drawdown Indicators

	FEPI	FIYY	Difference
Max Drawdown Largest peak-to-trough decline	-23.56%	-2.51%	-21.05%
Max Drawdown (1Y) Largest decline over 1 year	-12.91%	—	—
Current Drawdown Current decline from peak	-6.34%	-1.97%	-4.37%
Average Drawdown Average peak-to-trough decline	-3.61%	-1.48%	-2.13%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.38%	—	—

Volatility

Volatility by Period

	FEPI	FIYY	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.36%	—	—
Volatility (6M) Calculated over the trailing 6-month period	14.54%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	18.27%	5.05%	+13.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.34%	5.05%	+14.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.34%	5.05%	+14.29%

FEPI vs. FIYY - Expense Ratio Comparison

FEPI has a 0.65% expense ratio, which is lower than FIYY's 1.07% expense ratio.

Dividends

FEPI vs. FIYY - Dividend Comparison

FEPI's dividend yield for the trailing twelve months is around 25.99%, more than FIYY's 1.13% yield.

Position	TTM	2025	2024	2023
FEPI REX FANG & Innovation Equity Premium Income ETF	25.99%	25.48%	27.18%	4.21%
FIYY GraniteShares YieldBOOST 20Y+ Treasuries ETF	1.13%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FEPI and FIYY in my portfolio?

FEPI and FIYY have a correlation of 0.28, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, FEPI or FIYY?

On fees, FEPI is cheaper at 0.65% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, FEPI or FIYY?

FEPI is cheaper with a 0.65% expense ratio, compared with 1.07% for FIYY.

Which ETF pays a higher dividend yield, FEPI or FIYY?

FEPI has the higher dividend yield at 25.99%, compared with 1.13% for FIYY.

What is the main difference between FEPI and FIYY?

They also come from different issuers: REX and GraniteShares. Their fees differ too: 0.65% for FEPI and 1.07% for FIYY.