CNBS vs. WEED

Last updated Jun 5, 2026

CNBS (Amplify Seymour Cannabis ETF) and WEED (Roundhill Cannabis ETF) are both Cannabis funds. Both are actively managed. Over the past 3 years, CNBS returned -0.72%/yr vs 1.57%/yr for WEED. Their correlation of 0.91 suggests significant overlap in exposure. CNBS charges 0.75%/yr vs 0.40%/yr for WEED.

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.

Returns By Period

In the year-to-date period, CNBS achieves a 4.70% return, which is significantly lower than WEED's 12.74% return.

CNBS

• 1D: 6.54%
• 1M: 0.77%
• YTD: 4.70%
• 6M: 26.27%
• 1Y: 91.63%
• 3Y*: -0.72%
• 5Y*: -32.48%
• 10Y*: —

WEED

• 1D: 7.94%
• 1M: 0.55%
• YTD: 12.74%
• 6M: 32.27%
• 1Y: 119.81%
• 3Y*: 1.57%
• 5Y*: —
• 10Y*: —

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

CNBS vs. WEED - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
CNBS Amplify Seymour Cannabis ETF	4.70%	15.33%	-29.41%	-16.11%	-52.25%
WEED Roundhill Cannabis ETF	12.74%	19.40%	-44.93%	0.87%	-60.22%

Correlation

The correlation between CNBS and WEED is 0.97 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.97
Correlation (3Y) Calculated over the trailing 3-year period	0.92
Correlation (All Time) Calculated using the full available price history since Apr 21, 2022	0.91

The correlation between CNBS and WEED has been stable across timeframes, ranging from 0.91 to 0.97 - a consistent structural relationship.

CNBS vs. WEED - Sectors Allocation Comparison

Sectors	CNBS	WEED
Healthcare	63.1%	60.0%
Real Estate	13.8%	16.3%
Technology	10.7%	6.3%
Consumer Defensive	7.0%	17.3%
Consumer Cyclical	3.4%	-
Financial Services	1.9%	-
Industrials	0.1%	-
Basic Materials	-	-
Communication Services	-	-
Energy	-	-
Utilities	-	-

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: 33
CNBS Sharpe Ratio Rank: 25
CNBS Sortino Ratio Rank: 40
CNBS Omega Ratio Rank: 37
CNBS Calmar Ratio Rank: 37
CNBS Martin Ratio Rank: 25

WEED

WEED Risk / Return Rank: 39
WEED Sharpe Ratio Rank: 30
WEED Sortino Ratio Rank: 46
WEED Omega Ratio Rank: 42
WEED Calmar Ratio Rank: 46
WEED Martin Ratio Rank: 29

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	0.88	1.07	-0.19
Sortino ratio: Return per unit of downside risk	2.02	2.25	-0.23
Omega ratio: Gain probability vs. loss probability	1.24	1.27	-0.02
Calmar ratio: Return relative to maximum drawdown	1.80	2.23	-0.43
Martin ratio: Return relative to average drawdown	3.30	4.18	-0.88
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 0.88, which is comparable to the WEED Sharpe Ratio of 1.07. The chart below compares the historical Sharpe Ratios of CNBS and WEED, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	CNBS	WEED	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.88	1.07	-0.19
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.50	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.39	-0.31	-0.08

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 (3Y) Largest decline over 3 years	-73.41%	-81.50%	+8.09%
Max Drawdown (5Y) Largest decline over 5 years	-93.58%	—	—
Current Drawdown Current decline from peak	-90.88%	-70.26%	-20.62%
Average Drawdown Average peak-to-trough decline	-71.27%	-62.74%	-8.53%
Ulcer Index Depth and duration of drawdowns from previous peaks	27.83%	28.76%	-0.93%

Volatility

CNBS vs. WEED - Volatility Comparison

The current volatility for Amplify Seymour Cannabis ETF (CNBS) is 18.65%, while Roundhill Cannabis ETF (WEED) has a volatility of 20.77%. This indicates that CNBS experiences smaller price fluctuations and is considered to be less risky than WEED based on this measure. 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	18.65%	20.77%	-2.12%
Volatility (6M) Calculated over the trailing 6-month period	76.84%	81.04%	-4.20%
Volatility (1Y) Calculated over the trailing 1-year period	105.28%	112.86%	-7.58%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	64.80%	82.67%	-17.87%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	61.37%	82.67%	-21.30%

CNBS vs. WEED - Expense Ratio Comparison

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

Dividends

CNBS vs. WEED - Dividend Comparison

Neither CNBS nor WEED has paid dividends to shareholders.

Position	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%

Frequently Asked Questions

Can I hold both CNBS and WEED in my portfolio?

With a correlation of 0.97, CNBS and WEED move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, CNBS or WEED?

WEED has higher volatility (20.77%) compared to CNBS (18.65%). In terms of maximum drawdown, CNBS dropped -95.71% vs WEED's -88.07%.

Which ETF is better, CNBS or WEED?

On 3-year performance, WEED leads with 1.57% vs -0.72% for CNBS. On fees, WEED is cheaper at 0.40% per year. On volatility, CNBS has been the lower-risk option at 18.65%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, CNBS or WEED?

Over the 3-year period, WEED has performed better with a 1.57% return vs -0.72%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, CNBS or WEED?

WEED is cheaper with a 0.40% expense ratio, compared with 0.75% for CNBS.

Which ETF pays a higher dividend yield, CNBS or WEED?

CNBS and WEED have nearly identical dividend yields, around 0.00%.

What is the main difference between CNBS and WEED?

They also come from different issuers: Amplify and Roundhill. Their fees differ too: 0.75% for CNBS and 0.40% for WEED.

Which has better risk-adjusted returns?

WEED currently has the higher Sharpe Ratio (1.07 vs 0.88), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.