BFOC vs. ARKB

Last updated Jul 16, 2026

BFOC (FT Vest Bitcoin Strategy Floor15 ETF - October) and ARKB (ARK 21Shares Bitcoin ETF) are both exchange-traded funds - BFOC is a Defined Outcome fund actively managed by First Trust, while ARKB is a Cryptocurrency fund tracking the CME CF Bitcoin Reference Rate - New York Variant. BFOC is actively managed, while ARKB is passively managed. Their correlation of 0.87 suggests significant overlap in exposure. BFOC charges 0.90%/yr vs 0.21%/yr for ARKB.

Performance

BFOC vs. ARKB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in FT Vest Bitcoin Strategy Floor15 ETF - October (BFOC) and ARK 21Shares Bitcoin ETF (ARKB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BFOC achieves a -7.09% return, which is significantly higher than ARKB's -25.79% return.

BFOC

• 1D: -0.44%
• 1M: -0.41%
• 6M: -10.22%
• YTD: -7.09%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

ARKB

• 1D: 0.61%
• 1M: -2.44%
• 6M: -33.61%
• YTD: -25.79%
• 1Y: -44.32%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

BFOC vs. ARKB - Yearly Performance Comparison

	2026 (YTD)	2025
BFOC FT Vest Bitcoin Strategy Floor15 ETF - October	-7.09%	-9.75%
ARKB ARK 21Shares Bitcoin ETF	-25.79%	-23.62%

Correlation

The correlation between BFOC and ARKB is 0.87, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (All Time) Calculated using the full available price history since Oct 1, 2025	0.87

Return for Risk

BFOC vs. ARKB — Risk / Return Rank

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

BFOC

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

ARKB

ARKB Risk / Return Rank: 2
ARKB Sharpe Ratio Rank: 2
ARKB Sortino Ratio Rank: 2
ARKB Omega Ratio Rank: 2
ARKB Calmar Ratio Rank: 2
ARKB Martin Ratio Rank: 2

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.

BFOC vs. ARKB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FT Vest Bitcoin Strategy Floor15 ETF - October (BFOC) and ARK 21Shares Bitcoin ETF (ARKB). 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.

	BFOC	ARKB	Difference
Sharpe ratio: Return per unit of total volatility	—	-1.01	—
Sortino ratio: Return per unit of downside risk	—	-1.49	—
Omega ratio: Gain probability vs. loss probability	—	0.84	—
Calmar ratio: Return relative to maximum drawdown	—	-0.83	—
Martin ratio: Return relative to average drawdown	—	-1.35	—

Drawdowns

BFOC vs. ARKB - Drawdown Comparison

The maximum BFOC drawdown since its inception was -18.41%, smaller than the maximum ARKB drawdown of -53.33%. Use the drawdown chart below to compare losses from any high point for BFOC and ARKB.

Drawdown Indicators

	BFOC	ARKB	Difference
Max Drawdown Largest peak-to-trough decline	-18.41%	-53.33%	+34.92%
Max Drawdown (1Y) Largest decline over 1 year	—	-53.33%	—
Current Drawdown Current decline from peak	-17.93%	-48.32%	+30.39%
Average Drawdown Average peak-to-trough decline	-13.23%	-17.69%	+4.46%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	32.96%	—

Volatility

Volatility by Period

	BFOC	ARKB	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	11.73%	—
Volatility (6M) Calculated over the trailing 6-month period	—	34.86%	—
Volatility (1Y) Calculated over the trailing 1-year period	11.94%	44.29%	-32.35%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.94%	49.78%	-37.84%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.94%	49.78%	-37.84%

BFOC vs. ARKB - Expense Ratio Comparison

BFOC has a 0.90% expense ratio, which is higher than ARKB's 0.21% expense ratio.

Dividends

BFOC vs. ARKB - Dividend Comparison

Neither BFOC nor ARKB has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both BFOC and ARKB in my portfolio?

BFOC and ARKB have a correlation of 0.87, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, BFOC or ARKB?

On fees, ARKB is cheaper at 0.21% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, BFOC or ARKB?

ARKB is cheaper with a 0.21% expense ratio, compared with 0.90% for BFOC.

Which ETF pays a higher dividend yield, BFOC or ARKB?

BFOC and ARKB have nearly identical dividend yields, around 0.00%.

What is the main difference between BFOC and ARKB?

BFOC is categorized as Defined Outcome, while ARKB is Cryptocurrency. They also come from different issuers: First Trust and ARK. Their fees differ too: 0.90% for BFOC and 0.21% for ARKB.