BLOK vs. ARKF

Last updated Apr 2, 2026

Compare and contrast key facts about Amplify Transformational Data Sharing ETF (BLOK) and ARK Fintech Innovation ETF (ARKF).

BLOK and ARKF are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. BLOK is an actively managed fund by Amplify. It was launched on Jan 16, 2018. ARKF is an actively managed fund by ARK. It was launched on Feb 4, 2019.

Performance

BLOK vs. ARKF - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Amplify Transformational Data Sharing ETF (BLOK) and ARK Fintech Innovation ETF (ARKF). The values are adjusted to include any dividend payments, if applicable.

BLOK vs. ARKF - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
BLOK Amplify Transformational Data Sharing ETF	-12.20%	32.64%	53.12%	99.62%	-62.36%	30.76%	90.17%	15.12%
ARKF ARK Fintech Innovation ETF	-20.34%	28.67%	34.34%	93.27%	-65.07%	-17.82%	108.03%	19.04%

Returns By Period

In the year-to-date period, BLOK achieves a -12.20% return, which is significantly higher than ARKF's -20.34% return.

BLOK

• 1D: 0.28%
• 1M: -8.06%
• YTD: -12.20%
• 6M: -25.52%
• 1Y: 32.40%
• 3Y*: 40.64%
• 5Y*: 1.56%
• 10Y*: —

ARKF

• 1D: -0.18%
• 1M: -4.91%
• YTD: -20.34%
• 6M: -32.44%
• 1Y: 11.98%
• 3Y*: 26.39%
• 5Y*: -6.32%
• 10Y*: —

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

BLOK vs. ARKF - Expense Ratio Comparison

BLOK has a 0.71% expense ratio, which is lower than ARKF's 0.75% expense ratio.

ARKF

ARK Fintech Innovation ETF

BLOK

Amplify Transformational Data Sharing ETF

Return for Risk

BLOK vs. ARKF — Risk / Return Rank

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

BLOK

BLOK Risk / Return Rank: 38
BLOK Sharpe Ratio Rank: 39
BLOK Sortino Ratio Rank: 45
BLOK Omega Ratio Rank: 38
BLOK Calmar Ratio Rank: 38
BLOK Martin Ratio Rank: 29

ARKF

ARKF Risk / Return Rank: 21
ARKF Sharpe Ratio Rank: 20
ARKF Sortino Ratio Rank: 24
ARKF Omega Ratio Rank: 22
ARKF Calmar Ratio Rank: 20
ARKF Martin Ratio Rank: 18

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.

BLOK vs. ARKF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Amplify Transformational Data Sharing ETF (BLOK) and ARK Fintech Innovation ETF (ARKF). 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.

	BLOK	ARKF	Difference
Sharpe ratio Return per unit of total volatility	0.77	0.32	+0.45
Sortino ratio Return per unit of downside risk	1.31	0.72	+0.59
Omega ratio Gain probability vs. loss probability	1.16	1.09	+0.07
Calmar ratio Return relative to maximum drawdown	1.02	0.37	+0.65
Martin ratio Return relative to average drawdown	2.49	0.87	+1.62
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BLOK vs. ARKF - Sharpe Ratio Comparison

The current BLOK Sharpe Ratio is 0.77, which is higher than the ARKF Sharpe Ratio of 0.32. The chart below compares the historical Sharpe Ratios of BLOK and ARKF, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	BLOK	ARKF	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.77	0.32	+0.45
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.04	-0.15	+0.18
Sharpe Ratio (All Time) Calculated using the full available price history	0.39	0.23	+0.16

Correlation

The correlation between BLOK and ARKF is 0.80, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

BLOK vs. ARKF - Dividend Comparison

BLOK's dividend yield for the trailing twelve months is around 0.82%, more than ARKF's 0.11% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018
BLOK Amplify Transformational Data Sharing ETF	0.82%	0.72%	6.00%	1.15%	0.00%	14.31%	1.88%	2.05%	1.30%
ARKF ARK Fintech Innovation ETF	0.11%	0.09%	0.00%	0.00%	0.00%	0.00%	0.37%	1.25%	0.00%

Drawdowns

BLOK vs. ARKF - Drawdown Comparison

The maximum BLOK drawdown since its inception was -73.33%, smaller than the maximum ARKF drawdown of -78.63%. Use the drawdown chart below to compare losses from any high point for BLOK and ARKF.

Drawdown Indicators

	BLOK	ARKF	Difference
Max Drawdown Largest peak-to-trough decline	-73.33%	-78.63%	+5.30%
Max Drawdown (1Y) Largest decline over 1 year	-35.64%	-38.50%	+2.86%
Max Drawdown (5Y) Largest decline over 5 years	-73.33%	-75.37%	+2.04%
Current Drawdown Current decline from peak	-32.12%	-40.29%	+8.17%
Average Drawdown Average peak-to-trough decline	-26.27%	-34.96%	+8.69%
Ulcer Index Depth and duration of drawdowns from previous peaks	14.58%	16.21%	-1.63%

Volatility

BLOK vs. ARKF - Volatility Comparison

Amplify Transformational Data Sharing ETF (BLOK) has a higher volatility of 13.29% compared to ARK Fintech Innovation ETF (ARKF) at 11.92%. This indicates that BLOK's price experiences larger fluctuations and is considered to be riskier than ARKF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BLOK	ARKF	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.29%	11.92%	+1.37%
Volatility (6M) Calculated over the trailing 6-month period	31.07%	26.23%	+4.84%
Volatility (1Y) Calculated over the trailing 1-year period	42.46%	38.03%	+4.43%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	42.92%	42.77%	+0.15%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	39.05%	39.96%	-0.91%