BLCN vs. BLOK

Last updated Apr 1, 2026

Compare and contrast key facts about Siren ETF Trust Siren Nasdaq NexGen Economy ETF (BLCN) and Amplify Transformational Data Sharing ETF (BLOK).

BLCN and BLOK are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. BLCN is a passively managed fund by SRN Advisors that tracks the performance of the Siren NASDAQ Blockchain Economy Index. It was launched on Jan 17, 2018. BLOK is an actively managed fund by Amplify. It was launched on Jan 16, 2018.

Performance

BLCN vs. BLOK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Siren ETF Trust Siren Nasdaq NexGen Economy ETF (BLCN) and Amplify Transformational Data Sharing ETF (BLOK). The values are adjusted to include any dividend payments, if applicable.

BLCN vs. BLOK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
BLCN Siren ETF Trust Siren Nasdaq NexGen Economy ETF	-12.36%	-3.69%	5.62%	21.09%	-51.76%	4.86%	60.60%	33.94%	-19.15%
BLOK Amplify Transformational Data Sharing ETF	-12.45%	32.64%	53.12%	99.62%	-62.36%	30.76%	90.17%	29.54%	-25.97%

Returns By Period

The year-to-date returns for both stocks are quite close, with BLCN having a -12.36% return and BLOK slightly lower at -12.45%.

BLCN

• 1D: 3.14%
• 1M: -9.02%
• YTD: -12.36%
• 6M: -21.90%
• 1Y: 13.13%
• 3Y*: 0.69%
• 5Y*: -14.50%
• 10Y*: —

BLOK

• 1D: 5.17%
• 1M: -6.86%
• YTD: -12.45%
• 6M: -25.18%
• 1Y: 36.00%
• 3Y*: 40.50%
• 5Y*: 1.50%
• 10Y*: —

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

BLCN vs. BLOK - Expense Ratio Comparison

BLCN has a 0.68% expense ratio, which is lower than BLOK's 0.71% expense ratio.

BLOK

Amplify Transformational Data Sharing ETF

BLCN

Siren ETF Trust Siren Nasdaq NexGen Economy ETF

Return for Risk

BLCN vs. BLOK — Risk / Return Rank

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

BLCN

BLCN Risk / Return Rank: 23
BLCN Sharpe Ratio Rank: 22
BLCN Sortino Ratio Rank: 27
BLCN Omega Ratio Rank: 25
BLCN Calmar Ratio Rank: 22
BLCN Martin Ratio Rank: 19

BLOK

BLOK Risk / Return Rank: 45
BLOK Sharpe Ratio Rank: 50
BLOK Sortino Ratio Rank: 58
BLOK Omega Ratio Rank: 47
BLOK Calmar Ratio Rank: 41
BLOK Martin Ratio Rank: 30

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.

BLCN vs. BLOK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Siren ETF Trust Siren Nasdaq NexGen Economy ETF (BLCN) and Amplify Transformational Data Sharing ETF (BLOK). 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.

	BLCN	BLOK	Difference
Sharpe ratio Return per unit of total volatility	0.33	0.85	-0.52
Sortino ratio Return per unit of downside risk	0.77	1.41	-0.64
Omega ratio Gain probability vs. loss probability	1.09	1.17	-0.08
Calmar ratio Return relative to maximum drawdown	0.40	0.95	-0.55
Martin ratio Return relative to average drawdown	0.98	2.35	-1.37
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BLCN vs. BLOK - Sharpe Ratio Comparison

The current BLCN Sharpe Ratio is 0.33, which is lower than the BLOK Sharpe Ratio of 0.85. The chart below compares the historical Sharpe Ratios of BLCN and BLOK, 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

	BLCN	BLOK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.33	0.85	-0.52
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.43	0.04	-0.46
Sharpe Ratio (All Time) Calculated using the full available price history	-0.02	0.39	-0.41

Correlation

The correlation between BLCN and BLOK is 0.78, 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

BLCN vs. BLOK - Dividend Comparison

BLCN's dividend yield for the trailing twelve months is around 3.44%, more than BLOK's 0.82% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018
BLCN Siren ETF Trust Siren Nasdaq NexGen Economy ETF	3.44%	3.01%	0.67%	0.54%	1.28%	0.56%	0.58%	1.45%	1.16%
BLOK Amplify Transformational Data Sharing ETF	0.82%	0.72%	6.00%	1.15%	0.00%	14.31%	1.88%	2.05%	1.30%

Drawdowns

BLCN vs. BLOK - Drawdown Comparison

The maximum BLCN drawdown since its inception was -67.51%, smaller than the maximum BLOK drawdown of -73.33%. Use the drawdown chart below to compare losses from any high point for BLCN and BLOK.

Drawdown Indicators

	BLCN	BLOK	Difference
Max Drawdown Largest peak-to-trough decline	-67.51%	-73.33%	+5.82%
Max Drawdown (1Y) Largest decline over 1 year	-29.53%	-35.64%	+6.11%
Max Drawdown (5Y) Largest decline over 5 years	-67.51%	-73.33%	+5.82%
Current Drawdown Current decline from peak	-57.46%	-32.31%	-25.15%
Average Drawdown Average peak-to-trough decline	-29.86%	-26.27%	-3.59%
Ulcer Index Depth and duration of drawdowns from previous peaks	12.13%	14.44%	-2.31%

Volatility

BLCN vs. BLOK - Volatility Comparison

The current volatility for Siren ETF Trust Siren Nasdaq NexGen Economy ETF (BLCN) is 12.46%, while Amplify Transformational Data Sharing ETF (BLOK) has a volatility of 13.57%. This indicates that BLCN experiences smaller price fluctuations and is considered to be less risky than BLOK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BLCN	BLOK	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.46%	13.57%	-1.11%
Volatility (6M) Calculated over the trailing 6-month period	26.28%	31.07%	-4.79%
Volatility (1Y) Calculated over the trailing 1-year period	39.97%	42.50%	-2.53%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	34.09%	42.93%	-8.84%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	30.89%	39.06%	-8.17%