CNBS vs. WEED

Last updated Apr 2, 2026

Compare and contrast key facts about Amplify Seymour Cannabis ETF (CNBS) and Roundhill Cannabis ETF (WEED).

CNBS and WEED are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. CNBS is an actively managed fund by Amplify. It was launched on Jul 23, 2019. WEED is an actively managed fund by Roundhill. It was launched on Apr 19, 2022.

Performance

CNBS vs. WEED - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Amplify Seymour Cannabis ETF (CNBS) and Roundhill Cannabis ETF (WEED). The values are adjusted to include any dividend payments, if applicable.

CNBS vs. WEED - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
CNBS Amplify Seymour Cannabis ETF	-19.71%	15.33%	-29.41%	-16.11%	-52.25%
WEED Roundhill Cannabis ETF	-21.02%	19.40%	-44.93%	0.87%	-60.22%

Returns By Period

In the year-to-date period, CNBS achieves a -19.71% return, which is significantly higher than WEED's -21.02% return.

CNBS

• 1D: 3.35%
• 1M: 1.68%
• YTD: -19.71%
• 6M: -25.83%
• 1Y: 34.54%
• 3Y*: -12.81%
• 5Y*: -37.62%
• 10Y*: —

WEED

• 1D: 3.55%
• 1M: 0.66%
• YTD: -21.02%
• 6M: -27.03%
• 1Y: 42.99%
• 3Y*: -12.02%
• 5Y*: —
• 10Y*: —

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

CNBS vs. WEED - Expense Ratio Comparison

CNBS has a 0.75% expense ratio, which is higher than WEED's 0.40% expense ratio.

CNBS

Amplify Seymour Cannabis ETF

WEED

Roundhill Cannabis ETF

Return for Risk

CNBS vs. WEED — Risk / Return Rank

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

CNBS

CNBS Risk / Return Rank: 31
CNBS Sharpe Ratio Rank: 20
CNBS Sortino Ratio Rank: 49
CNBS Omega Ratio Rank: 39
CNBS Calmar Ratio Rank: 27
CNBS Martin Ratio Rank: 21

WEED

WEED Risk / Return Rank: 34
WEED Sharpe Ratio Rank: 22
WEED Sortino Ratio Rank: 56
WEED Omega Ratio Rank: 42
WEED Calmar Ratio Rank: 28
WEED Martin Ratio Rank: 21

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.

CNBS vs. WEED - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Amplify Seymour Cannabis ETF (CNBS) and Roundhill Cannabis ETF (WEED). 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.

	CNBS	WEED	Difference
Sharpe ratio Return per unit of total volatility	0.34	0.39	-0.05
Sortino ratio Return per unit of downside risk	1.39	1.53	-0.14
Omega ratio Gain probability vs. loss probability	1.17	1.18	-0.01
Calmar ratio Return relative to maximum drawdown	0.68	0.78	-0.10
Martin ratio Return relative to average drawdown	1.34	1.53	-0.19
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CNBS vs. WEED - Sharpe Ratio Comparison

The current CNBS Sharpe Ratio is 0.34, which is comparable to the WEED Sharpe Ratio of 0.39. The chart below compares the historical Sharpe Ratios of CNBS and WEED, 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

	CNBS	WEED	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.34	0.39	-0.05
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.60	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.46	-0.40	-0.05

Correlation

The correlation between CNBS and WEED is 0.90, 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

CNBS vs. WEED - Dividend Comparison

Neither CNBS nor WEED has paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019
CNBS Amplify Seymour Cannabis ETF	0.00%	0.00%	43.54%	0.00%	0.00%	0.00%	0.58%	0.58%
WEED Roundhill Cannabis ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

CNBS vs. WEED - Drawdown Comparison

The maximum CNBS drawdown since its inception was -95.71%, which is greater than WEED's maximum drawdown of -88.07%. Use the drawdown chart below to compare losses from any high point for CNBS and WEED.

Drawdown Indicators

	CNBS	WEED	Difference
Max Drawdown Largest peak-to-trough decline	-95.71%	-88.07%	-7.64%
Max Drawdown (1Y) Largest decline over 1 year	-51.25%	-54.01%	+2.76%
Max Drawdown (5Y) Largest decline over 5 years	-94.21%	—	—
Current Drawdown Current decline from peak	-93.00%	-79.16%	-13.84%
Average Drawdown Average peak-to-trough decline	-70.74%	-62.28%	-8.46%
Ulcer Index Depth and duration of drawdowns from previous peaks	25.95%	27.52%	-1.57%

Volatility

CNBS vs. WEED - Volatility Comparison

Amplify Seymour Cannabis ETF (CNBS) and Roundhill Cannabis ETF (WEED) have volatilities of 22.14% and 23.02%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CNBS	WEED	Difference
Volatility (1M) Calculated over the trailing 1-month period	22.14%	23.02%	-0.88%
Volatility (6M) Calculated over the trailing 6-month period	75.61%	79.35%	-3.74%
Volatility (1Y) Calculated over the trailing 1-year period	101.71%	110.01%	-8.30%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	62.86%	81.86%	-19.00%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	60.38%	81.86%	-21.48%