ETHA vs. BTCZ

Last updated Jul 15, 2026

ETHA (iShares Ethereum Trust ETF) and BTCZ (T-Rex 2X Inverse Bitcoin Daily Target ETF) are both Cryptocurrency funds. ETHA is passively managed, while BTCZ is actively managed. Over the past year, ETHA returned -37.67% vs 99.11% for BTCZ. At a correlation of -0.82, they often move in opposite directions. ETHA charges 0.25%/yr vs 0.95%/yr for BTCZ.

Performance

ETHA vs. BTCZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Ethereum Trust ETF (ETHA) and T-Rex 2X Inverse Bitcoin Daily Target ETF (BTCZ). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ETHA achieves a -36.78% return, which is significantly lower than BTCZ's 28.62% return.

ETHA

• 1D: 6.06%
• 1M: 12.81%
• 6M: -41.45%
• YTD: -36.78%
• 1Y: -37.67%
• 3Y*: —
• 5Y*: —
• 10Y*: —

BTCZ

• 1D: -7.44%
• 1M: -6.48%
• 6M: 51.89%
• YTD: 28.62%
• 1Y: 99.11%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ETHA vs. BTCZ - Yearly Performance Comparison

	2026 (YTD)	2025	2024
ETHA iShares Ethereum Trust ETF	-36.78%	-11.31%	-4.89%
BTCZ T-Rex 2X Inverse Bitcoin Daily Target ETF	28.62%	-29.11%	-65.48%

Correlation

The correlation between ETHA and BTCZ is -0.89, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.89
Correlation (All Time) Calculated using the full available price history since Jul 23, 2024	-0.82

The correlation between ETHA and BTCZ has been stable across timeframes, ranging from -0.89 to -0.82 - a consistent structural relationship.

Return for Risk

ETHA vs. BTCZ — Risk / Return Rank

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

ETHA

ETHA Risk / Return Rank: 5
ETHA Sharpe Ratio Rank: 5
ETHA Sortino Ratio Rank: 5
ETHA Omega Ratio Rank: 5
ETHA Calmar Ratio Rank: 5
ETHA Martin Ratio Rank: 5

BTCZ

BTCZ Risk / Return Rank: 42
BTCZ Sharpe Ratio Rank: 38
BTCZ Sortino Ratio Rank: 44
BTCZ Omega Ratio Rank: 41
BTCZ Calmar Ratio Rank: 50
BTCZ Martin Ratio Rank: 36

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.

ETHA vs. BTCZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Ethereum Trust ETF (ETHA) and T-Rex 2X Inverse Bitcoin Daily Target ETF (BTCZ). 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.

	ETHA	BTCZ	Difference
Sharpe ratio: Return per unit of total volatility	-0.55	1.12	-1.67
Sortino ratio: Return per unit of downside risk	-0.49	1.83	-2.32
Omega ratio: Gain probability vs. loss probability	0.94	1.22	-0.27
Calmar ratio: Return relative to maximum drawdown	-0.56	2.03	-2.59
Martin ratio: Return relative to average drawdown	-0.87	4.55	-5.42

ETHA vs. BTCZ - Sharpe Ratio Comparison

The current ETHA Sharpe Ratio is -0.55, which is lower than the BTCZ Sharpe Ratio of 1.12. The chart below compares the historical Sharpe Ratios of ETHA and BTCZ, 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

ETHA vs. BTCZ - Drawdown Comparison

The maximum ETHA drawdown since its inception was -67.91%, smaller than the maximum BTCZ drawdown of -91.06%. Use the drawdown chart below to compare losses from any high point for ETHA and BTCZ.

Drawdown Indicators

	ETHA	BTCZ	Difference
Max Drawdown Largest peak-to-trough decline	-67.91%	-91.06%	+23.15%
Max Drawdown (1Y) Largest decline over 1 year	-67.91%	-49.02%	-18.89%
Current Drawdown Current decline from peak	-61.25%	-79.26%	+18.01%
Average Drawdown Average peak-to-trough decline	-34.53%	-73.77%	+39.24%
Ulcer Index Depth and duration of drawdowns from previous peaks	43.21%	21.86%	+21.35%

Volatility

ETHA vs. BTCZ - Volatility Comparison

The current volatility for iShares Ethereum Trust ETF (ETHA) is 16.93%, while T-Rex 2X Inverse Bitcoin Daily Target ETF (BTCZ) has a volatility of 23.69%. This indicates that ETHA experiences smaller price fluctuations and is considered to be less risky than BTCZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ETHA	BTCZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	16.93%	23.69%	-6.76%
Volatility (6M) Calculated over the trailing 6-month period	47.63%	69.49%	-21.86%
Volatility (1Y) Calculated over the trailing 1-year period	68.64%	89.08%	-20.44%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	72.20%	96.56%	-24.36%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	72.20%	96.56%	-24.36%

ETHA vs. BTCZ - Expense Ratio Comparison

ETHA has a 0.25% expense ratio, which is lower than BTCZ's 0.95% expense ratio.

Dividends

ETHA vs. BTCZ - Dividend Comparison

ETHA has not paid dividends to shareholders, while BTCZ's dividend yield for the trailing twelve months is around 0.01%.

Position	TTM	2025	2024
BTCZ T-Rex 2X Inverse Bitcoin Daily Target ETF	0.01%	0.02%	0.08%
ETHA iShares Ethereum Trust ETF	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both ETHA and BTCZ in my portfolio?

ETHA and BTCZ have a correlation of -0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ETHA or BTCZ?

BTCZ has higher volatility (23.69%) compared to ETHA (16.93%). In terms of maximum drawdown, ETHA dropped -67.91% vs BTCZ's -91.06%.

Which ETF is better, ETHA or BTCZ?

On 1-year performance, BTCZ leads with 99.11% vs -37.67% for ETHA. On fees, ETHA is cheaper at 0.25% per year. On volatility, ETHA has been the lower-risk option at 16.93%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ETHA or BTCZ?

Over the 1-year period, BTCZ has performed better with a 99.11% return vs -37.67%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ETHA or BTCZ?

ETHA is cheaper with a 0.25% expense ratio, compared with 0.95% for BTCZ.

Which ETF pays a higher dividend yield, ETHA or BTCZ?

BTCZ has the higher dividend yield at 0.01%, compared with 0.00% for ETHA.

What is the main difference between ETHA and BTCZ?

They also come from different issuers: iShares and T-Rex. Their fees differ too: 0.25% for ETHA and 0.95% for BTCZ.

Which has better risk-adjusted returns?

BTCZ currently has the higher Sharpe Ratio (1.12 vs -0.55), 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.