OKLS vs. MSTZ

Last updated Jun 6, 2026

OKLS (Defiance Daily Target 2X Short OKLO ETF) and MSTZ (T-REX 2X Inverse MSTR Daily Target ETF) are both Inverse Equities funds. Both are actively managed. A 0.53 correlation means they provide meaningful diversification when combined. OKLS charges 1.31%/yr vs 1.05%/yr for MSTZ.

Performance

OKLS vs. MSTZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Defiance Daily Target 2X Short OKLO ETF (OKLS) 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, OKLS achieves a -65.39% return, which is significantly lower than MSTZ's -42.45% return.

OKLS

• 1D: 21.55%
• 1M: 40.94%
• YTD: -65.39%
• 6M: -37.16%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

MSTZ

• 1D: 13.06%
• 1M: 109.55%
• YTD: -42.45%
• 6M: -24.19%
• 1Y: 91.65%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

OKLS vs. MSTZ - Yearly Performance Comparison

	2026 (YTD)	2025
OKLS Defiance Daily Target 2X Short OKLO ETF	-65.39%	15.32%
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	-42.45%	23.83%

Correlation

The correlation between OKLS and MSTZ is 0.53, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Nov 28, 2025	0.53

Return for Risk

OKLS vs. MSTZ — Risk / Return Rank

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

MSTZ

MSTZ Risk / Return Rank: 27
MSTZ Sharpe Ratio Rank: 21
MSTZ Sortino Ratio Rank: 35
MSTZ Omega Ratio Rank: 36
MSTZ Calmar Ratio Rank: 24
MSTZ Martin Ratio Rank: 20

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.

OKLS vs. MSTZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Defiance Daily Target 2X Short OKLO ETF (OKLS) 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	OKLS	MSTZ	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	0.66	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.42	-0.53	+0.11

Drawdowns

OKLS vs. MSTZ - Drawdown Comparison

The maximum OKLS drawdown since its inception was -81.03%, smaller than the maximum MSTZ drawdown of -99.36%. Use the drawdown chart below to compare losses from any high point for OKLS and MSTZ.

Drawdown Indicators

	OKLS	MSTZ	Difference
Max Drawdown Largest peak-to-trough decline	-81.03%	-99.36%	+18.33%
Max Drawdown (1Y) Largest decline over 1 year	—	-84.89%	—
Current Drawdown Current decline from peak	-71.78%	-97.98%	+26.20%
Average Drawdown Average peak-to-trough decline	-39.42%	-94.41%	+54.99%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	40.74%	—

Volatility

Volatility by Period

	OKLS	MSTZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	38.65%	—
Volatility (6M) Calculated over the trailing 6-month period	—	125.69%	—
Volatility (1Y) Calculated over the trailing 1-year period	201.03%	140.64%	+60.39%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	201.03%	170.30%	+30.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	201.03%	170.30%	+30.73%

OKLS vs. MSTZ - Expense Ratio Comparison

OKLS has a 1.31% expense ratio, which is higher than MSTZ's 1.05% expense ratio.

Dividends

OKLS vs. MSTZ - Dividend Comparison

Neither OKLS nor MSTZ has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both OKLS and MSTZ in my portfolio?

OKLS and MSTZ have a correlation of 0.53, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, OKLS or MSTZ?

On fees, MSTZ is cheaper at 1.05% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, OKLS or MSTZ?

MSTZ is cheaper with a 1.05% expense ratio, compared with 1.31% for OKLS.

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

OKLS and MSTZ have nearly identical dividend yields, around 0.00%.

What is the main difference between OKLS and MSTZ?

They also come from different issuers: Defiance and REX. Their fees differ too: 1.31% for OKLS and 1.05% for MSTZ.