MSTZ vs. SPDN

Last updated Jul 16, 2026

MSTZ (T-REX 2X Inverse MSTR Daily Target ETF) and SPDN (Direxion Daily S&P 500 Bear 1x Shares) are both Inverse Equities funds. MSTZ is actively managed, while SPDN is passively managed. Over the past year, MSTZ returned 252.57% vs -13.64% for SPDN. At a 0.45 correlation, their price movements are largely independent. MSTZ charges 1.05%/yr vs 0.50%/yr for SPDN.

Performance

MSTZ vs. SPDN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) and Direxion Daily S&P 500 Bear 1x Shares (SPDN). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MSTZ achieves a -31.95% return, which is significantly lower than SPDN's -7.60% return.

MSTZ

• 1D: -0.09%
• 1M: 46.79%
• 6M: 0.09%
• YTD: -31.95%
• 1Y: 252.57%
• 3Y*: —
• 5Y*: —
• 10Y*: —

SPDN

• 1D: -0.35%
• 1M: 0.11%
• 6M: -6.71%
• YTD: -7.60%
• 1Y: -13.64%
• 3Y*: -11.48%
• 5Y*: -8.38%
• 10Y*: -12.29%

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

MSTZ vs. SPDN - Yearly Performance Comparison

	2026 (YTD)	2025	2024
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	-31.95%	-38.95%	-94.43%
SPDN Direxion Daily S&P 500 Bear 1x Shares	-7.60%	-11.09%	-2.31%

Correlation

The correlation between MSTZ and SPDN is 0.48, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.48
Correlation (All Time) Calculated using the full available price history since Sep 18, 2024	0.45

Return for Risk

MSTZ vs. SPDN — Risk / Return Rank

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

MSTZ

MSTZ Risk / Return Rank: 61
MSTZ Sharpe Ratio Rank: 65
MSTZ Sortino Ratio Rank: 62
MSTZ Omega Ratio Rank: 64
MSTZ Calmar Ratio Rank: 73
MSTZ Martin Ratio Rank: 43

SPDN

SPDN Risk / Return Rank: 1
SPDN Sharpe Ratio Rank: 1
SPDN Sortino Ratio Rank: 2
SPDN Omega Ratio Rank: 2
SPDN Calmar Ratio Rank: 2
SPDN Martin Ratio Rank: 0

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.

MSTZ vs. SPDN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) and Direxion Daily S&P 500 Bear 1x Shares (SPDN). 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.

	MSTZ	SPDN	Difference
Sharpe ratio: Return per unit of total volatility	1.71	-1.08	+2.79
Sortino ratio: Return per unit of downside risk	2.37	-1.53	+3.90
Omega ratio: Gain probability vs. loss probability	1.31	0.83	+0.47
Calmar ratio: Return relative to maximum drawdown	3.00	-0.86	+3.86
Martin ratio: Return relative to average drawdown	5.79	-1.63	+7.42

MSTZ vs. SPDN - Sharpe Ratio Comparison

The current MSTZ Sharpe Ratio is 1.71, which is higher than the SPDN Sharpe Ratio of -1.08. The chart below compares the historical Sharpe Ratios of MSTZ and SPDN, 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

MSTZ vs. SPDN - Drawdown Comparison

The maximum MSTZ drawdown since its inception was -99.38%, which is greater than SPDN's maximum drawdown of -75.31%. Use the drawdown chart below to compare losses from any high point for MSTZ and SPDN.

Drawdown Indicators

	MSTZ	SPDN	Difference
Max Drawdown Largest peak-to-trough decline	-99.38%	-75.31%	-24.07%
Max Drawdown (1Y) Largest decline over 1 year	-84.89%	-15.93%	-68.96%
Max Drawdown (3Y) Largest decline over 3 years	—	-38.24%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-43.85%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-73.97%	—
Current Drawdown Current decline from peak	-97.68%	-75.11%	-22.57%
Average Drawdown Average peak-to-trough decline	-94.55%	-48.81%	-45.74%
Ulcer Index Depth and duration of drawdowns from previous peaks	43.81%	8.39%	+35.42%

Volatility

MSTZ vs. SPDN - Volatility Comparison

T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) has a higher volatility of 56.66% compared to Direxion Daily S&P 500 Bear 1x Shares (SPDN) at 3.86%. This indicates that MSTZ's price experiences larger fluctuations and is considered to be riskier than SPDN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MSTZ	SPDN	Difference
Volatility (1M) Calculated over the trailing 1-month period	56.66%	3.86%	+52.80%
Volatility (6M) Calculated over the trailing 6-month period	135.05%	10.07%	+124.98%
Volatility (1Y) Calculated over the trailing 1-year period	148.51%	12.71%	+135.80%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	170.85%	16.97%	+153.88%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	170.85%	18.01%	+152.84%

MSTZ vs. SPDN - Expense Ratio Comparison

MSTZ has a 1.05% expense ratio, which is higher than SPDN's 0.50% expense ratio.

Dividends

MSTZ vs. SPDN - Dividend Comparison

MSTZ has not paid dividends to shareholders, while SPDN's dividend yield for the trailing twelve months is around 3.36%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SPDN Direxion Daily S&P 500 Bear 1x Shares	3.36%	4.06%	5.32%	5.84%	0.96%	0.00%	0.10%	1.89%	1.24%	0.42%

Frequently Asked Questions

Can I hold both MSTZ and SPDN in my portfolio?

MSTZ and SPDN have a correlation of 0.48, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MSTZ or SPDN?

MSTZ has higher volatility (56.66%) compared to SPDN (3.86%). In terms of maximum drawdown, MSTZ dropped -99.38% vs SPDN's -75.31%.

Which ETF is better, MSTZ or SPDN?

On 1-year performance, MSTZ leads with 252.57% vs -13.64% for SPDN. On fees, SPDN is cheaper at 0.50% per year. On volatility, SPDN has been the lower-risk option at 3.86%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MSTZ or SPDN?

Over the 1-year period, MSTZ has performed better with a 252.57% return vs -13.64%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MSTZ or SPDN?

SPDN is cheaper with a 0.50% expense ratio, compared with 1.05% for MSTZ.

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

SPDN has the higher dividend yield at 3.36%, compared with 0.00% for MSTZ.

What is the main difference between MSTZ and SPDN?

They also come from different issuers: REX and Direxion. Their fees differ too: 1.05% for MSTZ and 0.50% for SPDN.

Which has better risk-adjusted returns?

MSTZ currently has the higher Sharpe Ratio (1.71 vs -1.08), 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.