FBY vs. MSTZ

Last updated Jul 14, 2026

FBY (YieldMax META Option Income ETF) and MSTZ (T-REX 2X Inverse MSTR Daily Target ETF) are both exchange-traded funds - FBY is a Derivative Income fund actively managed by YieldMax, while MSTZ is a Inverse Equities fund actively managed by REX. Both are actively managed. Over the past year, FBY returned -8.88% vs 282.56% for MSTZ. At a correlation of -0.29, they often move in opposite directions. FBY charges 0.99%/yr vs 1.05%/yr for MSTZ.

Performance

FBY vs. MSTZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in YieldMax META Option Income ETF (FBY) 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, FBY achieves a -1.74% return, which is significantly higher than MSTZ's -23.27% return.

FBY

• 1D: -1.75%
• 1M: 13.32%
• 6M: 0.55%
• YTD: -1.74%
• 1Y: -8.88%
• 3Y*: —
• 5Y*: —
• 10Y*: —

MSTZ

• 1D: 5.07%
• 1M: 46.38%
• 6M: -9.68%
• YTD: -23.27%
• 1Y: 282.56%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

FBY vs. MSTZ - Yearly Performance Comparison

	2026 (YTD)	2025	2024
FBY YieldMax META Option Income ETF	-1.74%	1.98%	11.60%
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	-23.27%	-38.95%	-94.43%

Correlation

The correlation between FBY and MSTZ is -0.24, 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	-0.24
Correlation (All Time) Calculated using the full available price history since Sep 18, 2024	-0.29

Return for Risk

FBY vs. MSTZ — Risk / Return Rank

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

FBY

FBY Risk / Return Rank: 7
FBY Sharpe Ratio Rank: 7
FBY Sortino Ratio Rank: 7
FBY Omega Ratio Rank: 7
FBY Calmar Ratio Rank: 7
FBY Martin Ratio Rank: 6

MSTZ

MSTZ Risk / Return Rank: 68
MSTZ Sharpe Ratio Rank: 76
MSTZ Sortino Ratio Rank: 67
MSTZ Omega Ratio Rank: 68
MSTZ Calmar Ratio Rank: 80
MSTZ Martin Ratio Rank: 49

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.

FBY vs. MSTZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for YieldMax META Option Income ETF (FBY) 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.

	FBY	MSTZ	Difference
Sharpe ratio: Return per unit of total volatility	-0.28	1.92	-2.20
Sortino ratio: Return per unit of downside risk	-0.19	2.45	-2.64
Omega ratio: Gain probability vs. loss probability	0.98	1.32	-0.34
Calmar ratio: Return relative to maximum drawdown	-0.30	3.35	-3.66
Martin ratio: Return relative to average drawdown	-0.58	6.53	-7.11

FBY vs. MSTZ - Sharpe Ratio Comparison

The current FBY Sharpe Ratio is -0.28, which is lower than the MSTZ Sharpe Ratio of 1.92. The chart below compares the historical Sharpe Ratios of FBY 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

FBY vs. MSTZ - Drawdown Comparison

The maximum FBY drawdown since its inception was -31.53%, smaller than the maximum MSTZ drawdown of -99.38%. Use the drawdown chart below to compare losses from any high point for FBY and MSTZ.

Drawdown Indicators

	FBY	MSTZ	Difference
Max Drawdown Largest peak-to-trough decline	-31.53%	-99.38%	+67.85%
Max Drawdown (1Y) Largest decline over 1 year	-29.50%	-84.89%	+55.39%
Current Drawdown Current decline from peak	-15.55%	-97.39%	+81.84%
Average Drawdown Average peak-to-trough decline	-8.34%	-94.53%	+86.19%
Ulcer Index Depth and duration of drawdowns from previous peaks	15.34%	43.51%	-28.17%

Volatility

FBY vs. MSTZ - Volatility Comparison

The current volatility for YieldMax META Option Income ETF (FBY) is 13.11%, while T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) has a volatility of 56.56%. This indicates that FBY 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

	FBY	MSTZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.11%	56.56%	-43.45%
Volatility (6M) Calculated over the trailing 6-month period	26.01%	135.11%	-109.10%
Volatility (1Y) Calculated over the trailing 1-year period	31.80%	148.53%	-116.73%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	29.24%	171.02%	-141.78%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.24%	171.02%	-141.78%

FBY vs. MSTZ - Expense Ratio Comparison

FBY has a 0.99% expense ratio, which is lower than MSTZ's 1.05% expense ratio.

Dividends

FBY vs. MSTZ - Dividend Comparison

FBY's dividend yield for the trailing twelve months is around 53.81%, while MSTZ has not paid dividends to shareholders.

Position	TTM	2025	2024	2023
FBY YieldMax META Option Income ETF	53.81%	55.43%	53.89%	8.31%
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FBY and MSTZ in my portfolio?

FBY and MSTZ have a correlation of -0.24, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FBY or MSTZ?

MSTZ has higher volatility (56.56%) compared to FBY (13.11%). In terms of maximum drawdown, FBY dropped -31.53% vs MSTZ's -99.38%.

Which ETF is better, FBY or MSTZ?

On 1-year performance, MSTZ leads with 282.56% vs -8.88% for FBY. On fees, FBY is cheaper at 0.99% per year. On volatility, FBY has been the lower-risk option at 13.11%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, FBY or MSTZ?

Over the 1-year period, MSTZ has performed better with a 282.56% return vs -8.88%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, FBY or MSTZ?

FBY is cheaper with a 0.99% expense ratio, compared with 1.05% for MSTZ.

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

FBY has the higher dividend yield at 53.81%, compared with 0.00% for MSTZ.

What is the main difference between FBY and MSTZ?

FBY is categorized as Derivative Income, while MSTZ is Inverse Equities. They also come from different issuers: YieldMax and REX. Their fees differ too: 0.99% for FBY and 1.05% for MSTZ.

Which has better risk-adjusted returns?

MSTZ currently has the higher Sharpe Ratio (1.92 vs -0.28), 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.