BTCZ vs. TEKX

Last updated Jun 4, 2026

BTCZ (T-Rex 2X Inverse Bitcoin Daily Target ETF) and TEKX (SPDR Galaxy Transformative Tech Accelerators ETF) are both exchange-traded funds - BTCZ is a Cryptocurrency fund actively managed by T-Rex, while TEKX is a Mid Cap Growth Equities fund actively managed by State Street Global Advisors. Both are actively managed. Over the past year, BTCZ returned 55.67% vs 159.99% for TEKX. At a correlation of -0.60, they often move in opposite directions. BTCZ charges 0.95%/yr vs 0.65%/yr for TEKX.

Performance

BTCZ vs. TEKX - Performance Comparison

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

Returns By Period

In the year-to-date period, BTCZ achieves a 32.54% return, which is significantly lower than TEKX's 80.10% return.

BTCZ

• 1D: 5.28%
• 1M: 46.26%
• YTD: 32.54%
• 6M: 46.67%
• 1Y: 55.67%
• 3Y*: —
• 5Y*: —
• 10Y*: —

TEKX

• 1D: -0.59%
• 1M: 35.07%
• YTD: 80.10%
• 6M: 66.58%
• 1Y: 159.99%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

BTCZ vs. TEKX - Yearly Performance Comparison

	2026 (YTD)	2025	2024
BTCZ T-Rex 2X Inverse Bitcoin Daily Target ETF	32.54%	-29.11%	-70.22%
TEKX SPDR Galaxy Transformative Tech Accelerators ETF	80.10%	40.92%	14.80%

Correlation

The correlation between BTCZ and TEKX is -0.59, 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	-0.59
Correlation (All Time) Calculated using the full available price history since Sep 11, 2024	-0.60

The correlation between BTCZ and TEKX has been stable across timeframes, ranging from -0.60 to -0.59 - a consistent structural relationship.

Return for Risk

BTCZ vs. TEKX — Risk / Return Rank

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

BTCZ

BTCZ Risk / Return Rank: 23
BTCZ Sharpe Ratio Rank: 19
BTCZ Sortino Ratio Rank: 26
BTCZ Omega Ratio Rank: 25
BTCZ Calmar Ratio Rank: 25
BTCZ Martin Ratio Rank: 19

TEKX

TEKX Risk / Return Rank: 94
TEKX Sharpe Ratio Rank: 96
TEKX Sortino Ratio Rank: 92
TEKX Omega Ratio Rank: 89
TEKX Calmar Ratio Rank: 96
TEKX Martin Ratio Rank: 95

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.

BTCZ vs. TEKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T-Rex 2X Inverse Bitcoin Daily Target ETF (BTCZ) and SPDR Galaxy Transformative Tech Accelerators ETF (TEKX). 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.

	BTCZ	TEKX	Difference
Sharpe ratio: Return per unit of total volatility	0.64	4.30	-3.66
Sortino ratio: Return per unit of downside risk	1.40	4.54	-3.14
Omega ratio: Gain probability vs. loss probability	1.17	1.57	-0.40
Calmar ratio: Return relative to maximum drawdown	1.14	8.98	-7.84
Martin ratio: Return relative to average drawdown	2.17	29.66	-27.49
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BTCZ vs. TEKX - Sharpe Ratio Comparison

The current BTCZ Sharpe Ratio is 0.64, which is lower than the TEKX Sharpe Ratio of 4.30. The chart below compares the historical Sharpe Ratios of BTCZ and TEKX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	BTCZ	TEKX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.64	4.30	-3.66
Sharpe Ratio (All Time) Calculated using the full available price history	-0.57	1.94	-2.51

Drawdowns

BTCZ vs. TEKX - Drawdown Comparison

The maximum BTCZ drawdown since its inception was -91.06%, which is greater than TEKX's maximum drawdown of -45.57%. Use the drawdown chart below to compare losses from any high point for BTCZ and TEKX.

Drawdown Indicators

	BTCZ	TEKX	Difference
Max Drawdown Largest peak-to-trough decline	-91.06%	-45.57%	-45.49%
Max Drawdown (1Y) Largest decline over 1 year	-49.02%	-17.92%	-31.10%
Current Drawdown Current decline from peak	-78.63%	-0.59%	-78.04%
Average Drawdown Average peak-to-trough decline	-73.72%	-10.30%	-63.42%
Ulcer Index Depth and duration of drawdowns from previous peaks	25.74%	5.42%	+20.32%

Volatility

BTCZ vs. TEKX - Volatility Comparison

T-Rex 2X Inverse Bitcoin Daily Target ETF (BTCZ) has a higher volatility of 17.94% compared to SPDR Galaxy Transformative Tech Accelerators ETF (TEKX) at 10.60%. This indicates that BTCZ's price experiences larger fluctuations and is considered to be riskier than TEKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BTCZ	TEKX	Difference
Volatility (1M) Calculated over the trailing 1-month period	17.94%	10.60%	+7.34%
Volatility (6M) Calculated over the trailing 6-month period	68.50%	29.62%	+38.88%
Volatility (1Y) Calculated over the trailing 1-year period	87.46%	37.51%	+49.95%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	97.12%	44.50%	+52.62%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	97.12%	44.50%	+52.62%

BTCZ vs. TEKX - Expense Ratio Comparison

BTCZ has a 0.95% expense ratio, which is higher than TEKX's 0.65% expense ratio.

Dividends

BTCZ vs. TEKX - Dividend Comparison

BTCZ's dividend yield for the trailing twelve months is around 0.01%, less than TEKX's 0.20% yield.

Position	TTM	2025	2024
BTCZ T-Rex 2X Inverse Bitcoin Daily Target ETF	0.01%	0.02%	0.08%
TEKX SPDR Galaxy Transformative Tech Accelerators ETF	0.20%	0.36%	3.47%

Frequently Asked Questions

Can I hold both BTCZ and TEKX in my portfolio?

BTCZ and TEKX have a correlation of -0.59, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BTCZ or TEKX?

BTCZ has higher volatility (17.94%) compared to TEKX (10.60%). In terms of maximum drawdown, BTCZ dropped -91.06% vs TEKX's -45.57%.

Which ETF is better, BTCZ or TEKX?

On 1-year performance, TEKX leads with 159.99% vs 55.67% for BTCZ. On fees, TEKX is cheaper at 0.65% per year. On volatility, TEKX has been the lower-risk option at 10.60%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, BTCZ or TEKX?

Over the 1-year period, TEKX has performed better with a 159.99% return vs 55.67%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, BTCZ or TEKX?

TEKX is cheaper with a 0.65% expense ratio, compared with 0.95% for BTCZ.

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

TEKX has the higher dividend yield at 0.20%, compared with 0.01% for BTCZ.

What is the main difference between BTCZ and TEKX?

BTCZ is categorized as Cryptocurrency, while TEKX is Mid Cap Growth Equities. They also come from different issuers: T-Rex and State Street Global Advisors. Their fees differ too: 0.95% for BTCZ and 0.65% for TEKX.

Which has better risk-adjusted returns?

TEKX currently has the higher Sharpe Ratio (4.30 vs 0.64), 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.