SEA vs. MSTZ

Last updated Jul 12, 2026

SEA (U.S. Global Sea to Sky Cargo ETF) and MSTZ (T-REX 2X Inverse MSTR Daily Target ETF) are both exchange-traded funds - SEA is a Industrials Equities fund tracking the U.S. Global Sea to Sky Cargo Index - Benchmark TR Gross, while MSTZ is a Inverse Equities fund actively managed by REX. SEA is passively managed, while MSTZ is actively managed. Over the past year, SEA returned 28.70% vs 264.10% for MSTZ. At a correlation of -0.20, they often move in opposite directions. SEA charges 0.60%/yr vs 1.05%/yr for MSTZ.

Performance

SEA vs. MSTZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in U.S. Global Sea to Sky Cargo ETF (SEA) and T-REX 2X Inverse MSTR Daily Target ETF (MSTZ). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SEA achieves a 21.70% return, which is significantly higher than MSTZ's -26.97% return.

SEA

• 1D: 1.31%
• 1M: -1.47%
• 6M: 16.80%
• YTD: 21.70%
• 1Y: 28.70%
• 3Y*: 16.66%
• 5Y*: —
• 10Y*: —

MSTZ

• 1D: -1.53%
• 1M: 39.32%
• 6M: -19.19%
• YTD: -26.97%
• 1Y: 264.10%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

SEA vs. MSTZ - Yearly Performance Comparison

	2026 (YTD)	2025	2024
SEA U.S. Global Sea to Sky Cargo ETF	21.70%	16.78%	-11.17%
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	-26.97%	-38.95%	-94.43%

Correlation

The correlation between SEA and MSTZ is -0.22, 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	-0.22
Correlation (All Time) Calculated using the full available price history since Sep 18, 2024	-0.20

Return for Risk

SEA vs. MSTZ — Risk / Return Rank

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

SEA

SEA Risk / Return Rank: 65
SEA Sharpe Ratio Rank: 65
SEA Sortino Ratio Rank: 66
SEA Omega Ratio Rank: 60
SEA Calmar Ratio Rank: 67
SEA Martin Ratio Rank: 68

MSTZ

MSTZ Risk / Return Rank: 60
MSTZ Sharpe Ratio Rank: 61
MSTZ Sortino Ratio Rank: 62
MSTZ Omega Ratio Rank: 63
MSTZ Calmar Ratio Rank: 71
MSTZ Martin Ratio Rank: 43

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.

SEA vs. MSTZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for U.S. Global Sea to Sky Cargo ETF (SEA) and T-REX 2X Inverse MSTR Daily Target ETF (MSTZ). 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.

	SEA	MSTZ	Difference
Sharpe ratio: Return per unit of total volatility	1.70	1.64	+0.06
Sortino ratio: Return per unit of downside risk	2.44	2.34	+0.11
Omega ratio: Gain probability vs. loss probability	1.29	1.30	-0.01
Calmar ratio: Return relative to maximum drawdown	2.69	2.86	-0.17
Martin ratio: Return relative to average drawdown	9.82	5.59	+4.23

SEA vs. MSTZ - Sharpe Ratio Comparison

The current SEA Sharpe Ratio is 1.70, which is comparable to the MSTZ Sharpe Ratio of 1.64. The chart below compares the historical Sharpe Ratios of SEA and MSTZ, 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

SEA vs. MSTZ - Drawdown Comparison

The maximum SEA drawdown since its inception was -39.53%, smaller than the maximum MSTZ drawdown of -99.38%. Use the drawdown chart below to compare losses from any high point for SEA and MSTZ.

Drawdown Indicators

	SEA	MSTZ	Difference
Max Drawdown Largest peak-to-trough decline	-39.53%	-99.38%	+59.85%
Max Drawdown (1Y) Largest decline over 1 year	-10.67%	-84.89%	+74.22%
Max Drawdown (3Y) Largest decline over 3 years	-32.42%	—	—
Current Drawdown Current decline from peak	-2.34%	-97.51%	+95.17%
Average Drawdown Average peak-to-trough decline	-14.08%	-94.53%	+80.45%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.92%	43.41%	-40.49%

Volatility

SEA vs. MSTZ - Volatility Comparison

The current volatility for U.S. Global Sea to Sky Cargo ETF (SEA) is 6.02%, while T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) has a volatility of 56.46%. This indicates that SEA experiences smaller price fluctuations and is considered to be less risky than MSTZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SEA	MSTZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.02%	56.46%	-50.44%
Volatility (6M) Calculated over the trailing 6-month period	13.14%	135.20%	-122.06%
Volatility (1Y) Calculated over the trailing 1-year period	16.95%	148.41%	-131.46%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.62%	171.17%	-149.55%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.62%	171.17%	-149.55%

SEA vs. MSTZ - Expense Ratio Comparison

SEA has a 0.60% expense ratio, which is lower than MSTZ's 1.05% expense ratio.

Dividends

SEA vs. MSTZ - Dividend Comparison

SEA's dividend yield for the trailing twelve months is around 5.55%, while MSTZ has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	0.00%	0.00%	0.00%	0.00%	0.00%
SEA U.S. Global Sea to Sky Cargo ETF	5.55%	6.76%	18.47%	9.85%	18.73%

Frequently Asked Questions

Can I hold both SEA and MSTZ in my portfolio?

SEA and MSTZ have a correlation of -0.22, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SEA or MSTZ?

MSTZ has higher volatility (56.46%) compared to SEA (6.02%). In terms of maximum drawdown, SEA dropped -39.53% vs MSTZ's -99.38%.

Which ETF is better, SEA or MSTZ?

On 1-year performance, MSTZ leads with 264.10% vs 28.70% for SEA. On fees, SEA is cheaper at 0.60% per year. On volatility, SEA has been the lower-risk option at 6.02%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SEA or MSTZ?

Over the 1-year period, MSTZ has performed better with a 264.10% return vs 28.70%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SEA or MSTZ?

SEA is cheaper with a 0.60% expense ratio, compared with 1.05% for MSTZ.

Which ETF pays a higher dividend yield, SEA or MSTZ?

SEA has the higher dividend yield at 5.55%, compared with 0.00% for MSTZ.

What is the main difference between SEA and MSTZ?

SEA is categorized as Industrials Equities, while MSTZ is Inverse Equities. They also come from different issuers: US Global and REX. Their fees differ too: 0.60% for SEA and 1.05% for MSTZ.

Which has better risk-adjusted returns?

SEA currently has the higher Sharpe Ratio (1.70 vs 1.64), 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.