ETU vs. COII

Last updated Jun 23, 2026

ETU (T-Rex 2X Long Ether Daily Target ETF) and COII (REX COIN Growth & Income ETF) are both exchange-traded funds - ETU is a Leveraged Cryptocurrency fund actively managed by REX Shares, while COII is a Derivative Income fund actively managed by REX Shares. Both are actively managed. Over the past year, ETU returned -72.96% vs -61.18% for COII. A 0.69 correlation means they provide meaningful diversification when combined. ETU charges 0.95%/yr vs 0.99%/yr for COII.

Performance

ETU vs. COII - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T-Rex 2X Long Ether Daily Target ETF (ETU) 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, ETU achieves a -74.50% return, which is significantly lower than COII's -40.76% return.

ETU

• 1D: 3.08%
• 1M: -32.85%
• YTD: -74.50%
• 6M: -74.81%
• 1Y: -72.96%
• 3Y*: —
• 5Y*: —
• 10Y*: —

COII

• 1D: 0.00%
• 1M: -17.01%
• YTD: -40.76%
• 6M: -45.71%
• 1Y: -61.18%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ETU vs. COII - Yearly Performance Comparison

	2026 (YTD)	2025
ETU T-Rex 2X Long Ether Daily Target ETF	-74.50%	-12.91%
COII REX COIN Growth & Income ETF	-40.76%	-26.88%

Correlation

The correlation between ETU and COII is 0.71, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.71
Correlation (All Time) Calculated using the full available price history since Jun 4, 2025	0.69

The correlation between ETU and COII has been stable across timeframes, ranging from 0.69 to 0.71 - a consistent structural relationship.

Return for Risk

ETU vs. COII — Risk / Return Rank

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

ETU

ETU Risk / Return Rank: 4
ETU Sharpe Ratio Rank: 5
ETU Sortino Ratio Rank: 6
ETU Omega Ratio Rank: 6
ETU Calmar Ratio Rank: 2
ETU Martin Ratio Rank: 3

COII

COII Risk / Return Rank: 2
COII Sharpe Ratio Rank: 2
COII Sortino Ratio Rank: 2
COII Omega Ratio Rank: 2
COII Calmar Ratio Rank: 2
COII Martin Ratio Rank: 2

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.

ETU vs. COII - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T-Rex 2X Long Ether Daily Target ETF (ETU) 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.

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.

	ETU	COII	Difference
Sharpe ratio: Return per unit of total volatility	-0.53	-0.91	+0.38
Sortino ratio: Return per unit of downside risk	-0.37	-1.41	+1.04
Omega ratio: Gain probability vs. loss probability	0.96	0.83	+0.13
Calmar ratio: Return relative to maximum drawdown	-0.78	-0.85	+0.07
Martin ratio: Return relative to average drawdown	-1.12	-1.29	+0.16

ETU vs. COII - Sharpe Ratio Comparison

The current ETU Sharpe Ratio is -0.53, which is higher than the COII Sharpe Ratio of -0.91. The chart below compares the historical Sharpe Ratios of ETU and COII, 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

ETU vs. COII - Drawdown Comparison

The maximum ETU drawdown since its inception was -94.77%, which is greater than COII's maximum drawdown of -72.22%. Use the drawdown chart below to compare losses from any high point for ETU and COII.

Drawdown Indicators

	ETU	COII	Difference
Max Drawdown Largest peak-to-trough decline	-94.77%	-72.22%	-22.55%
Max Drawdown (1Y) Largest decline over 1 year	-93.62%	-72.22%	-21.40%
Current Drawdown Current decline from peak	-93.79%	-70.51%	-23.28%
Average Drawdown Average peak-to-trough decline	-63.16%	-40.41%	-22.75%
Ulcer Index Depth and duration of drawdowns from previous peaks	64.99%	47.54%	+17.45%

Volatility

ETU vs. COII - Volatility Comparison

T-Rex 2X Long Ether Daily Target ETF (ETU) has a higher volatility of 40.50% compared to REX COIN Growth & Income ETF (COII) at 17.38%. This indicates that ETU's price experiences larger fluctuations and is considered to be riskier than COII based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ETU	COII	Difference
Volatility (1M) Calculated over the trailing 1-month period	40.50%	17.38%	+23.12%
Volatility (6M) Calculated over the trailing 6-month period	94.70%	51.94%	+42.76%
Volatility (1Y) Calculated over the trailing 1-year period	138.07%	67.57%	+70.50%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	146.29%	67.69%	+78.60%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	146.29%	67.69%	+78.60%

ETU vs. COII - Expense Ratio Comparison

ETU has a 0.95% expense ratio, which is lower than COII's 0.99% expense ratio.

Dividends

ETU vs. COII - Dividend Comparison

ETU's dividend yield for the trailing twelve months is around 0.01%, less than COII's 94.11% yield.

Position	TTM	2025	2024
COII REX COIN Growth & Income ETF	94.11%	41.52%	0.00%
ETU T-Rex 2X Long Ether Daily Target ETF	0.01%	0.00%	0.05%

Frequently Asked Questions

Can I hold both ETU and COII in my portfolio?

ETU and COII have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ETU or COII?

ETU has higher volatility (40.50%) compared to COII (17.38%). In terms of maximum drawdown, ETU dropped -94.77% vs COII's -72.22%.

Which ETF is better, ETU or COII?

On 1-year performance, COII leads with -61.18% vs -72.96% for ETU. On fees, ETU is cheaper at 0.95% per year. On volatility, COII has been the lower-risk option at 17.38%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ETU or COII?

Over the 1-year period, COII has performed better with a -61.18% return vs -72.96%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ETU or COII?

ETU is cheaper with a 0.95% expense ratio, compared with 0.99% for COII.

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

COII has the higher dividend yield at 94.11%, compared with 0.01% for ETU.

What is the main difference between ETU and COII?

ETU is categorized as Leveraged Cryptocurrency, while COII is Derivative Income. Their fees differ too: 0.95% for ETU and 0.99% for COII.

Which has better risk-adjusted returns?

ETU currently has the higher Sharpe Ratio (-0.53 vs -0.91), 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.