SULR vs. AFOS

Last updated Jul 10, 2026

SULR (SmartETFs Sustainable Energy II ETF) and AFOS (ARS Focused Opportunities Strategy ETF) are both exchange-traded funds - SULR is a Actively Managed fund actively managed by Guinness Atkinson, while AFOS is a Large Cap Blend Equities fund managed by ARS Investment Partners. SULR charges 0.79%/yr vs 0.45%/yr for AFOS.

Performance

SULR vs. AFOS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SmartETFs Sustainable Energy II ETF (SULR) and ARS Focused Opportunities Strategy ETF (AFOS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

SULR

• 1D: —
• 1M: —
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

AFOS

• 1D: 1.12%
• 1M: 4.27%
• 6M: 26.78%
• YTD: 31.59%
• 1Y: 74.25%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

SULR vs. AFOS - Yearly Performance Comparison

	2026 (YTD)	2025
SULR SmartETFs Sustainable Energy II ETF	0.00%	0.00%
AFOS ARS Focused Opportunities Strategy ETF	31.59%	37.10%

Return for Risk

SULR vs. AFOS — Risk / Return Rank

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

SULR

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

AFOS

AFOS Risk / Return Rank: 95
AFOS Sharpe Ratio Rank: 96
AFOS Sortino Ratio Rank: 94
AFOS Omega Ratio Rank: 94
AFOS Calmar Ratio Rank: 95
AFOS Martin Ratio Rank: 96

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.

SULR vs. AFOS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SmartETFs Sustainable Energy II ETF (SULR) and ARS Focused Opportunities Strategy ETF (AFOS). 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.

	SULR	AFOS	Difference
Sharpe ratio: Return per unit of total volatility	—	3.39	—
Sortino ratio: Return per unit of downside risk	—	4.08	—
Omega ratio: Gain probability vs. loss probability	—	1.55	—
Calmar ratio: Return relative to maximum drawdown	—	6.48	—
Martin ratio: Return relative to average drawdown	—	28.69	—

Drawdowns

Drawdown Indicators

	SULR	AFOS	Difference
Max Drawdown Largest peak-to-trough decline	—	-11.52%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-11.52%	—
Current Drawdown Current decline from peak	—	-3.80%	—
Average Drawdown Average peak-to-trough decline	—	-1.51%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	2.60%	—

Volatility

Volatility by Period

	SULR	AFOS	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	9.29%	—
Volatility (6M) Calculated over the trailing 6-month period	—	18.42%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	22.00%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	21.74%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	21.74%	—

SULR vs. AFOS - Expense Ratio Comparison

SULR has a 0.79% expense ratio, which is higher than AFOS's 0.45% expense ratio.

Dividends

SULR vs. AFOS - Dividend Comparison

SULR has not paid dividends to shareholders, while AFOS's dividend yield for the trailing twelve months is around 0.23%.

Position	TTM	2025	2024	2023	2022	2021
AFOS ARS Focused Opportunities Strategy ETF	0.23%	0.30%	0.00%	0.00%	0.00%	0.00%
SULR SmartETFs Sustainable Energy II ETF	0.00%	0.00%	0.00%	0.46%	0.28%	2.62%

Frequently Asked Questions

Which ETF is better, SULR or AFOS?

On fees, AFOS is cheaper at 0.45% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, SULR or AFOS?

AFOS is cheaper with a 0.45% expense ratio, compared with 0.79% for SULR.

Which ETF pays a higher dividend yield, SULR or AFOS?

AFOS has the higher dividend yield at 0.23%, compared with 0.00% for SULR.

What is the main difference between SULR and AFOS?

SULR is categorized as Actively Managed, while AFOS is Large Cap Blend Equities. They also come from different issuers: Guinness Atkinson and ARS Investment Partners. Their fees differ too: 0.79% for SULR and 0.45% for AFOS.