CWII vs. FIYY

Last updated Jul 16, 2026

CWII (REX CRWV Growth & Income ETF) and FIYY (GraniteShares YieldBOOST 20Y+ Treasuries ETF) are both Derivative Income funds. Both are actively managed. At a 0.34 correlation, their price movements are largely independent. CWII charges 1.03%/yr vs 1.07%/yr for FIYY.

Performance

CWII vs. FIYY - Performance Comparison

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

Returns By Period

CWII

• 1D: 0.00%
• 1M: 10,779.80%
• 6M: 10,682.10%
• YTD: 13,199.78%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

FIYY

• 1D: 0.02%
• 1M: -0.45%
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

CWII vs. FIYY - Yearly Performance Comparison

	2026 (YTD)
CWII REX CRWV Growth & Income ETF	8,850.89%
FIYY GraniteShares YieldBOOST 20Y+ Treasuries ETF	-1.83%

Correlation

The correlation between CWII and FIYY is 0.34, 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	0.34

Return for Risk

CWII vs. FIYY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for REX CRWV Growth & Income ETF (CWII) 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

CWII vs. FIYY - Drawdown Comparison

The maximum CWII drawdown since its inception was -51.04%, which is greater than FIYY's maximum drawdown of -2.51%. Use the drawdown chart below to compare losses from any high point for CWII and FIYY.

Drawdown Indicators

	CWII	FIYY	Difference
Max Drawdown Largest peak-to-trough decline	-51.04%	-2.51%	-48.53%
Current Drawdown Current decline from peak	0.00%	-1.95%	+1.95%
Average Drawdown Average peak-to-trough decline	-33.26%	-1.49%	-31.77%

Volatility

Volatility by Period

	CWII	FIYY	Difference
Volatility (1Y) Calculated over the trailing 1-year period	13,701.30%	5.00%	+13,696.30%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13,701.30%	5.00%	+13,696.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13,701.30%	5.00%	+13,696.30%

CWII vs. FIYY - Expense Ratio Comparison

CWII has a 1.03% expense ratio, which is lower than FIYY's 1.07% expense ratio.

Dividends

CWII vs. FIYY - Dividend Comparison

CWII has not paid dividends to shareholders, while FIYY's dividend yield for the trailing twelve months is around 1.13%.

Position	TTM	2025
CWII REX CRWV Growth & Income ETF	123.26%	6.09%
FIYY GraniteShares YieldBOOST 20Y+ Treasuries ETF	1.13%	0.00%

Frequently Asked Questions

Can I hold both CWII and FIYY in my portfolio?

CWII and FIYY have a correlation of 0.34, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, CWII or FIYY?

On fees, CWII is cheaper at 1.03% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, CWII or FIYY?

CWII is cheaper with a 1.03% expense ratio, compared with 1.07% for FIYY.

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

CWII has the higher dividend yield at 123.26%, compared with 1.13% for FIYY.

What is the main difference between CWII and FIYY?

They also come from different issuers: REX Shares and GraniteShares. Their fees differ too: 1.03% for CWII and 1.07% for FIYY.