BU vs. MULL

Last updated Jun 24, 2026

BU (Defiance Daily Target 2X Long B ETF) and MULL (GraniteShares 2x Long MU Daily ETF) are both Leveraged Equities funds. Both are actively managed. At a 0.30 correlation, their price movements are largely independent. BU charges 1.29%/yr vs 1.50%/yr for MULL.

Performance

BU vs. MULL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Defiance Daily Target 2X Long B ETF (BU) and GraniteShares 2x Long MU Daily ETF (MULL). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BU achieves a -29.80% return, which is significantly lower than MULL's 780.13% return.

BU

• 1D: 0.00%
• 1M: -6.46%
• YTD: -29.80%
• 6M: -36.49%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

MULL

• 1D: -26.45%
• 1M: 69.00%
• YTD: 780.13%
• 6M: 832.94%
• 1Y: 3,622.12%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

BU vs. MULL - Yearly Performance Comparison

	2026 (YTD)	2025
BU Defiance Daily Target 2X Long B ETF	-29.80%	27.72%
MULL GraniteShares 2x Long MU Daily ETF	780.13%	44.29%

Correlation

The correlation between BU and MULL is 0.30, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since Nov 19, 2025	0.30

Return for Risk

BU vs. MULL — Risk / Return Rank

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

BU

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

MULL

MULL Risk / Return Rank: 98
MULL Sharpe Ratio Rank: 100
MULL Sortino Ratio Rank: 96
MULL Omega Ratio Rank: 95
MULL Calmar Ratio Rank: 100
MULL Martin Ratio Rank: 99

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.

BU vs. MULL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Defiance Daily Target 2X Long B ETF (BU) and GraniteShares 2x Long MU Daily ETF (MULL). 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.

	BU	MULL	Difference
Sharpe ratio: Return per unit of total volatility	—	25.24	—
Sortino ratio: Return per unit of downside risk	—	5.61	—
Omega ratio: Gain probability vs. loss probability	—	1.71	—
Calmar ratio: Return relative to maximum drawdown	—	69.24	—
Martin ratio: Return relative to average drawdown	—	221.31	—

Drawdowns

BU vs. MULL - Drawdown Comparison

The maximum BU drawdown since its inception was -53.98%, smaller than the maximum MULL drawdown of -72.29%. Use the drawdown chart below to compare losses from any high point for BU and MULL.

Drawdown Indicators

	BU	MULL	Difference
Max Drawdown Largest peak-to-trough decline	-53.98%	-72.29%	+18.31%
Max Drawdown (1Y) Largest decline over 1 year	—	-53.09%	—
Current Drawdown Current decline from peak	-51.59%	-26.45%	-25.14%
Average Drawdown Average peak-to-trough decline	-27.44%	-20.52%	-6.92%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	16.58%	—

Volatility

Volatility by Period

	BU	MULL	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	74.91%	—
Volatility (6M) Calculated over the trailing 6-month period	—	119.83%	—
Volatility (1Y) Calculated over the trailing 1-year period	95.37%	145.72%	-50.35%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	95.37%	142.49%	-47.12%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	95.37%	142.49%	-47.12%

BU vs. MULL - Expense Ratio Comparison

BU has a 1.29% expense ratio, which is lower than MULL's 1.50% expense ratio.

Dividends

BU vs. MULL - Dividend Comparison

BU has not paid dividends to shareholders, while MULL's dividend yield for the trailing twelve months is around 0.04%.

Position	TTM	2025
BU Defiance Daily Target 2X Long B ETF	0.00%	0.00%
MULL GraniteShares 2x Long MU Daily ETF	0.04%	0.39%

Frequently Asked Questions

Can I hold both BU and MULL in my portfolio?

BU and MULL have a correlation of 0.30, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, BU or MULL?

On fees, BU is cheaper at 1.29% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, BU or MULL?

BU is cheaper with a 1.29% expense ratio, compared with 1.50% for MULL.

Which ETF pays a higher dividend yield, BU or MULL?

MULL has the higher dividend yield at 0.04%, compared with 0.00% for BU.

What is the main difference between BU and MULL?

They also come from different issuers: Defiance and GraniteShares. Their fees differ too: 1.29% for BU and 1.50% for MULL.