MSOS vs. RB

Last updated Jun 4, 2026

MSOS (AdvisorShares Pure US Cannabis ETF) and RB (ProShares Russell 2000 Dynamic Daily Buffer ETF) are both exchange-traded funds - MSOS is a Small Cap Blend Equities fund actively managed by AdvisorShares, while RB is a Defined Outcome fund tracking the Russell 2000. MSOS is actively managed, while RB is passively managed. At a 0.26 correlation, their price movements are largely independent. MSOS charges 0.74%/yr vs 0.58%/yr for RB.

Performance

MSOS vs. RB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AdvisorShares Pure US Cannabis ETF (MSOS) and ProShares Russell 2000 Dynamic Daily Buffer ETF (RB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MSOS achieves a 0.42% return, which is significantly lower than RB's 6.76% return.

MSOS

• 1D: -6.14%
• 1M: -2.07%
• YTD: 0.42%
• 6M: 28.46%
• 1Y: 99.16%
• 3Y*: -4.01%
• 5Y*: -35.03%
• 10Y*: —

RB

• 1D: -0.17%
• 1M: 1.63%
• YTD: 6.76%
• 6M: 8.48%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MSOS vs. RB - Yearly Performance Comparison

	2026 (YTD)	2025
MSOS AdvisorShares Pure US Cannabis ETF	0.42%	106.11%
RB ProShares Russell 2000 Dynamic Daily Buffer ETF	6.76%	10.58%

Correlation

The correlation between MSOS and RB is 0.26, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jun 27, 2025	0.26

Return for Risk

MSOS vs. RB — Risk / Return Rank

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

MSOS

MSOS Risk / Return Rank: 32
MSOS Sharpe Ratio Rank: 24
MSOS Sortino Ratio Rank: 39
MSOS Omega Ratio Rank: 35
MSOS Calmar Ratio Rank: 38
MSOS Martin Ratio Rank: 26

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.

MSOS vs. RB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AdvisorShares Pure US Cannabis ETF (MSOS) and ProShares Russell 2000 Dynamic Daily Buffer ETF (RB). 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.

	MSOS	RB	Difference
Sharpe ratio: Return per unit of total volatility	0.89	—	—
Sortino ratio: Return per unit of downside risk	2.04	—	—
Omega ratio: Gain probability vs. loss probability	1.24	—	—
Calmar ratio: Return relative to maximum drawdown	1.88	—	—
Martin ratio: Return relative to average drawdown	3.58	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	MSOS	RB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.89	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.45	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.34	3.15	-3.48

Drawdowns

MSOS vs. RB - Drawdown Comparison

The maximum MSOS drawdown since its inception was -96.25%, which is greater than RB's maximum drawdown of -1.70%. Use the drawdown chart below to compare losses from any high point for MSOS and RB.

Drawdown Indicators

	MSOS	RB	Difference
Max Drawdown Largest peak-to-trough decline	-96.25%	-1.70%	-94.55%
Max Drawdown (1Y) Largest decline over 1 year	-52.91%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-81.71%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-94.99%	—	—
Current Drawdown Current decline from peak	-91.37%	-0.47%	-90.90%
Average Drawdown Average peak-to-trough decline	-71.71%	-0.41%	-71.30%
Ulcer Index Depth and duration of drawdowns from previous peaks	27.78%	—	—

Volatility

Volatility by Period

	MSOS	RB	Difference
Volatility (1M) Calculated over the trailing 1-month period	20.45%	—	—
Volatility (6M) Calculated over the trailing 6-month period	80.61%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	112.00%	6.21%	+105.79%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	77.81%	6.21%	+71.60%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	74.04%	6.21%	+67.83%

MSOS vs. RB - Expense Ratio Comparison

MSOS has a 0.74% expense ratio, which is higher than RB's 0.58% expense ratio.

Dividends

MSOS vs. RB - Dividend Comparison

MSOS has not paid dividends to shareholders, while RB's dividend yield for the trailing twelve months is around 2.00%.

Position	TTM	2025	2024	2023	2022	2021
MSOS AdvisorShares Pure US Cannabis ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.27%
RB ProShares Russell 2000 Dynamic Daily Buffer ETF	2.00%	1.78%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both MSOS and RB in my portfolio?

MSOS and RB have a correlation of 0.26, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, MSOS or RB?

On fees, RB is cheaper at 0.58% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, MSOS or RB?

RB is cheaper with a 0.58% expense ratio, compared with 0.74% for MSOS.

Which ETF pays a higher dividend yield, MSOS or RB?

RB has the higher dividend yield at 2.00%, compared with 0.00% for MSOS.

What is the main difference between MSOS and RB?

MSOS is categorized as Small Cap Blend Equities, while RB is Defined Outcome. They also come from different issuers: AdvisorShares and ProShares. Their fees differ too: 0.74% for MSOS and 0.58% for RB.