GABF vs. OUSM

Last updated Jun 13, 2026

GABF (Gabelli Financial Services Opportunities ETF) and OUSM (OShares U.S. Small-Cap Quality Dividend ETF) are both exchange-traded funds - GABF is a Financials Equities fund actively managed by Gabelli, while OUSM is a Small Cap Blend Equities fund tracking the O'Shares US Small-Cap Quality Dividend Index. GABF is actively managed, while OUSM is passively managed. Over the past 3 years, GABF returned 20.81%/yr vs 11.20%/yr for OUSM. Their correlation of 0.80 suggests significant overlap in exposure. GABF charges 0.10%/yr vs 0.48%/yr for OUSM.

Performance

GABF vs. OUSM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Gabelli Financial Services Opportunities ETF (GABF) and OShares U.S. Small-Cap Quality Dividend ETF (OUSM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, GABF achieves a -3.61% return, which is significantly lower than OUSM's 8.25% return.

GABF

• 1D: 0.99%
• 1M: 2.96%
• YTD: -3.61%
• 6M: -4.39%
• 1Y: -0.71%
• 3Y*: 20.81%
• 5Y*: —
• 10Y*: —

OUSM

• 1D: 0.94%
• 1M: 2.04%
• YTD: 8.25%
• 6M: 6.15%
• 1Y: 11.79%
• 3Y*: 11.20%
• 5Y*: 7.57%
• 10Y*: —

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

GABF vs. OUSM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
GABF Gabelli Financial Services Opportunities ETF	-3.61%	3.60%	44.38%	38.92%	-0.04%
OUSM OShares U.S. Small-Cap Quality Dividend ETF	8.25%	2.17%	13.45%	18.82%	4.39%

Correlation

The correlation between GABF and OUSM is 0.73, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.73
Correlation (3Y) Calculated over the trailing 3-year period	0.77
Correlation (All Time) Calculated using the full available price history since May 10, 2022	0.80

The correlation between GABF and OUSM has been stable across timeframes, ranging from 0.73 to 0.80 - a consistent structural relationship.

GABF vs. OUSM - Sectors Allocation Comparison

Sectors	GABF	OUSM
Financial Services	84.6%	21.1%
Real Estate	6.0%	-
Technology	4.9%	13.5%
Industrials	4.6%	22.8%
Basic Materials	-	1.4%
Communication Services	-	3.8%
Consumer Cyclical	-	19.3%
Consumer Defensive	-	4.9%
Energy	-	0.3%
Healthcare	-	9.2%
Utilities	-	3.9%

Return for Risk

GABF vs. OUSM — Risk / Return Rank

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

GABF

GABF Risk / Return Rank: 9
GABF Sharpe Ratio Rank: 9
GABF Sortino Ratio Rank: 9
GABF Omega Ratio Rank: 9
GABF Calmar Ratio Rank: 9
GABF Martin Ratio Rank: 9

OUSM

OUSM Risk / Return Rank: 28
OUSM Sharpe Ratio Rank: 28
OUSM Sortino Ratio Rank: 29
OUSM Omega Ratio Rank: 26
OUSM Calmar Ratio Rank: 30
OUSM 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.

GABF vs. OUSM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Gabelli Financial Services Opportunities ETF (GABF) and OShares U.S. Small-Cap Quality Dividend ETF (OUSM). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	GABF	OUSM	Difference
Sharpe ratio: Return per unit of total volatility	-0.04	0.89	-0.93
Sortino ratio: Return per unit of downside risk	0.06	1.42	-1.36
Omega ratio: Gain probability vs. loss probability	1.01	1.16	-0.15
Calmar ratio: Return relative to maximum drawdown	-0.04	1.29	-1.33
Martin ratio: Return relative to average drawdown	-0.10	3.76	-3.85

GABF vs. OUSM - Sharpe Ratio Comparison

The current GABF Sharpe Ratio is -0.04, which is lower than the OUSM Sharpe Ratio of 0.89. The chart below compares the historical Sharpe Ratios of GABF and OUSM, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

GABF vs. OUSM - Drawdown Comparison

The maximum GABF drawdown since its inception was -20.86%, smaller than the maximum OUSM drawdown of -39.84%. Use the drawdown chart below to compare losses from any high point for GABF and OUSM.

Drawdown Indicators

	GABF	OUSM	Difference
Max Drawdown Largest peak-to-trough decline	-20.86%	-39.84%	+18.98%
Max Drawdown (1Y) Largest decline over 1 year	-17.16%	-9.21%	-7.95%
Max Drawdown (3Y) Largest decline over 3 years	-20.86%	-19.44%	-1.42%
Max Drawdown (5Y) Largest decline over 5 years	—	-19.44%	—
Current Drawdown Current decline from peak	-8.35%	-0.33%	-8.02%
Average Drawdown Average peak-to-trough decline	-4.88%	-5.20%	+0.32%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.44%	3.15%	+4.29%

Volatility

GABF vs. OUSM - Volatility Comparison

Gabelli Financial Services Opportunities ETF (GABF) has a higher volatility of 4.81% compared to OShares U.S. Small-Cap Quality Dividend ETF (OUSM) at 3.89%. This indicates that GABF's price experiences larger fluctuations and is considered to be riskier than OUSM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GABF	OUSM	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.81%	3.89%	+0.92%
Volatility (6M) Calculated over the trailing 6-month period	13.27%	9.31%	+3.96%
Volatility (1Y) Calculated over the trailing 1-year period	17.57%	13.26%	+4.31%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.52%	16.32%	+4.20%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.52%	18.92%	+1.60%

GABF vs. OUSM - Expense Ratio Comparison

GABF has a 0.10% expense ratio, which is lower than OUSM's 0.48% expense ratio.

Dividends

GABF vs. OUSM - Dividend Comparison

GABF's dividend yield for the trailing twelve months is around 2.04%, which matches OUSM's 2.04% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
GABF Gabelli Financial Services Opportunities ETF	2.04%	1.96%	4.19%	4.95%	1.31%	0.00%	0.00%	0.00%	0.00%	0.00%
OUSM OShares U.S. Small-Cap Quality Dividend ETF	2.04%	2.09%	1.62%	1.64%	1.98%	1.55%	2.02%	1.99%	2.63%	2.17%

Frequently Asked Questions

Can I hold both GABF and OUSM in my portfolio?

GABF and OUSM have a correlation of 0.73, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GABF or OUSM?

GABF has higher volatility (4.81%) compared to OUSM (3.89%). In terms of maximum drawdown, GABF dropped -20.86% vs OUSM's -39.84%.

Which ETF is better, GABF or OUSM?

On 3-year performance, GABF leads with 20.81% vs 11.20% for OUSM. On fees, GABF is cheaper at 0.10% per year. On volatility, OUSM has been the lower-risk option at 3.89%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, GABF or OUSM?

Over the 3-year period, GABF has performed better with a 20.81% return vs 11.20%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, GABF or OUSM?

GABF is cheaper with a 0.10% expense ratio, compared with 0.48% for OUSM.

Which ETF pays a higher dividend yield, GABF or OUSM?

GABF and OUSM have nearly identical dividend yields, around 2.04%.

What is the main difference between GABF and OUSM?

GABF is categorized as Financials Equities, while OUSM is Small Cap Blend Equities. They also come from different issuers: Gabelli and O'Shares Investments. Their fees differ too: 0.10% for GABF and 0.48% for OUSM.

Which has better risk-adjusted returns?

OUSM currently has the higher Sharpe Ratio (0.89 vs -0.04), 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.