ULTI vs. COII

Last updated Jun 4, 2026

ULTI (REX IncomeMax Option Strategy ETF) and COII (REX COIN Growth & Income ETF) are both Derivative Income funds from REX Shares. Both are actively managed. A 0.54 correlation means they provide meaningful diversification when combined. ULTI charges 1.25%/yr vs 0.99%/yr for COII.

Performance

ULTI vs. COII - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in REX IncomeMax Option Strategy ETF (ULTI) and REX COIN Growth & Income ETF (COII). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ULTI achieves a 43.46% return, which is significantly higher than COII's -37.80% return.

ULTI

• 1D: -3.05%
• 1M: 12.53%
• YTD: 43.46%
• 6M: 22.97%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

COII

• 1D: -7.35%
• 1M: -19.57%
• YTD: -37.80%
• 6M: -48.84%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ULTI vs. COII - Yearly Performance Comparison

	2026 (YTD)	2025
ULTI REX IncomeMax Option Strategy ETF	43.46%	-38.31%
COII REX COIN Growth & Income ETF	-37.80%	-35.85%

Correlation

The correlation between ULTI and COII is 0.54, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Nov 3, 2025	0.54

Return for Risk

ULTI vs. COII - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for REX IncomeMax Option Strategy ETF (ULTI) and REX COIN Growth & Income ETF (COII). 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.

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

Sharpe Ratios by Period

	ULTI	COII	Difference
Sharpe Ratio (All Time) Calculated using the full available price history	-0.31	-0.79	+0.49

Drawdowns

ULTI vs. COII - Drawdown Comparison

The maximum ULTI drawdown since its inception was -41.74%, smaller than the maximum COII drawdown of -72.22%. Use the drawdown chart below to compare losses from any high point for ULTI and COII.

Drawdown Indicators

	ULTI	COII	Difference
Max Drawdown Largest peak-to-trough decline	-41.74%	-72.22%	+30.48%
Current Drawdown Current decline from peak	-11.50%	-69.04%	+57.54%
Average Drawdown Average peak-to-trough decline	-28.13%	-39.11%	+10.98%

Volatility

Volatility by Period

	ULTI	COII	Difference
Volatility (1Y) Calculated over the trailing 1-year period	62.43%	68.48%	-6.05%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	62.43%	68.48%	-6.05%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	62.43%	68.48%	-6.05%

ULTI vs. COII - Expense Ratio Comparison

ULTI has a 1.25% expense ratio, which is higher than COII's 0.99% expense ratio.

Dividends

ULTI vs. COII - Dividend Comparison

ULTI's dividend yield for the trailing twelve months is around 42.53%, less than COII's 92.44% yield.

Position	TTM	2025
COII REX COIN Growth & Income ETF	92.44%	41.52%
ULTI REX IncomeMax Option Strategy ETF	42.53%	14.96%

Frequently Asked Questions

Can I hold both ULTI and COII in my portfolio?

ULTI and COII have a correlation of 0.54, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, ULTI or COII?

On fees, COII is cheaper at 0.99% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, ULTI or COII?

COII is cheaper with a 0.99% expense ratio, compared with 1.25% for ULTI.

Which ETF pays a higher dividend yield, ULTI or COII?

COII has the higher dividend yield at 92.44%, compared with 42.53% for ULTI.

What is the main difference between ULTI and COII?

Their fees differ too: 1.25% for ULTI and 0.99% for COII.