ATCL vs. FIYY

Last updated Jul 12, 2026

ATCL (REX Autocallable Income ETF) and FIYY (GraniteShares YieldBOOST 20Y+ Treasuries ETF) are both Derivative Income funds. Both are actively managed. At a 0.36 correlation, their price movements are largely independent. ATCL charges 0.65%/yr vs 1.07%/yr for FIYY.

Performance

ATCL vs. FIYY - Performance Comparison

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

Returns By Period

ATCL

• 1D: 0.63%
• 1M: 1.13%
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

FIYY

• 1D: 0.13%
• 1M: -0.55%
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ATCL vs. FIYY - Yearly Performance Comparison

	2026 (YTD)
ATCL REX Autocallable Income ETF	2.13%
FIYY GraniteShares YieldBOOST 20Y+ Treasuries ETF	-1.94%

Correlation

The correlation between ATCL and FIYY is 0.36, 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	0.36

Return for Risk

ATCL vs. FIYY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for REX Autocallable Income ETF (ATCL) 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.

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

Drawdowns

ATCL vs. FIYY - Drawdown Comparison

The maximum ATCL drawdown since its inception was -6.08%, which is greater than FIYY's maximum drawdown of -2.51%. Use the drawdown chart below to compare losses from any high point for ATCL and FIYY.

Drawdown Indicators

	ATCL	FIYY	Difference
Max Drawdown Largest peak-to-trough decline	-6.08%	-2.51%	-3.57%
Current Drawdown Current decline from peak	0.00%	-2.07%	+2.07%
Average Drawdown Average peak-to-trough decline	-0.74%	-1.46%	+0.72%

Volatility

Volatility by Period

	ATCL	FIYY	Difference
Volatility (1Y) Calculated over the trailing 1-year period	7.87%	5.14%	+2.73%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.87%	5.14%	+2.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.87%	5.14%	+2.73%

ATCL vs. FIYY - Expense Ratio Comparison

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

Dividends

ATCL vs. FIYY - Dividend Comparison

ATCL's dividend yield for the trailing twelve months is around 4.52%, more than FIYY's 1.13% yield.

Position	TTM
ATCL REX Autocallable Income ETF	4.52%
FIYY GraniteShares YieldBOOST 20Y+ Treasuries ETF	1.13%

Frequently Asked Questions

Can I hold both ATCL and FIYY in my portfolio?

ATCL and FIYY have a correlation of 0.36, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, ATCL or FIYY?

On fees, ATCL 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, ATCL or FIYY?

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

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

ATCL has the higher dividend yield at 4.52%, compared with 1.13% for FIYY.

What is the main difference between ATCL and FIYY?

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