SPIN vs. BUYW

Last updated Jun 4, 2026

SPIN (State Street US Equity Premium Income ETF) and BUYW (Main Buywrite ETF) are both Derivative Income funds. Both are actively managed. Over the past year, SPIN returned 19.71% vs 9.76% for BUYW. A 0.64 correlation means they provide meaningful diversification when combined. SPIN charges 0.25%/yr vs 1.29%/yr for BUYW.

Performance

SPIN vs. BUYW - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street US Equity Premium Income ETF (SPIN) and Main Buywrite ETF (BUYW). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SPIN achieves a 2.91% return, which is significantly lower than BUYW's 3.39% return.

SPIN

• 1D: -0.15%
• 1M: 2.52%
• YTD: 2.91%
• 6M: 3.47%
• 1Y: 19.71%
• 3Y*: —
• 5Y*: —
• 10Y*: —

BUYW

• 1D: 0.35%
• 1M: 0.99%
• YTD: 3.39%
• 6M: 4.27%
• 1Y: 9.76%
• 3Y*: 8.73%
• 5Y*: —
• 10Y*: —

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

SPIN vs. BUYW - Yearly Performance Comparison

	2026 (YTD)	2025	2024
SPIN State Street US Equity Premium Income ETF	2.91%	14.14%	6.09%
BUYW Main Buywrite ETF	3.39%	9.08%	2.84%

Correlation

The correlation between SPIN and BUYW is 0.52, 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	0.52
Correlation (All Time) Calculated using the full available price history since Sep 6, 2024	0.64

The correlation between SPIN and BUYW shifts across timeframes, from 0.52 (1 year) to 0.64 (all time), reflecting how their relationship changes across market environments.

SPIN vs. BUYW - Sectors Allocation Comparison

Sectors	SPIN	BUYW
Technology	39.0%	24.0%
Communication Services	12.2%	16.9%
Financial Services	11.5%	15.3%
Consumer Cyclical	8.7%	6.4%
Healthcare	8.3%	13.0%
Industrials	8.0%	4.4%
Consumer Defensive	3.8%	3.2%
Energy	2.9%	13.6%
Utilities	2.3%	1.3%
Basic Materials	2.2%	1.0%
Real Estate	1.6%	1.0%

Return for Risk

SPIN vs. BUYW — Risk / Return Rank

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

SPIN

SPIN Risk / Return Rank: 52
SPIN Sharpe Ratio Rank: 55
SPIN Sortino Ratio Rank: 54
SPIN Omega Ratio Rank: 58
SPIN Calmar Ratio Rank: 40
SPIN Martin Ratio Rank: 50

BUYW

BUYW Risk / Return Rank: 71
BUYW Sharpe Ratio Rank: 59
BUYW Sortino Ratio Rank: 66
BUYW Omega Ratio Rank: 66
BUYW Calmar Ratio Rank: 75
BUYW Martin Ratio Rank: 89

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.

SPIN vs. BUYW - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street US Equity Premium Income ETF (SPIN) and Main Buywrite ETF (BUYW). 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.

	SPIN	BUYW	Difference
Sharpe ratio Return per unit of total volatility	1.89	2.03	-0.14
Sortino ratio Return per unit of downside risk	2.60	3.08	-0.48
Omega ratio Gain probability vs. loss probability	1.36	1.40	-0.05
Calmar ratio Return relative to maximum drawdown	2.02	3.79	-1.77
Martin ratio Return relative to average drawdown	8.42	20.24	-11.83
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SPIN vs. BUYW - Sharpe Ratio Comparison

The current SPIN Sharpe Ratio is 1.89, which is comparable to the BUYW Sharpe Ratio of 2.03. The chart below compares the historical Sharpe Ratios of SPIN and BUYW, 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

	SPIN	BUYW	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.89	2.03	-0.14
Sharpe Ratio (All Time) Calculated using the full available price history	0.95	1.17	-0.22

Drawdowns

SPIN vs. BUYW - Drawdown Comparison

The maximum SPIN drawdown since its inception was -16.85%, which is greater than BUYW's maximum drawdown of -9.36%. Use the drawdown chart below to compare losses from any high point for SPIN and BUYW.

Drawdown Indicators

	SPIN	BUYW	Difference
Max Drawdown Largest peak-to-trough decline	-16.85%	-9.36%	-7.49%
Max Drawdown (1Y) Largest decline over 1 year	-9.81%	-2.59%	-7.22%
Max Drawdown (3Y) Largest decline over 3 years	—	-9.36%	—
Current Drawdown Current decline from peak	-0.40%	-0.21%	-0.19%
Average Drawdown Average peak-to-trough decline	-2.29%	-0.61%	-1.68%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.35%	0.48%	+1.87%

Volatility

SPIN vs. BUYW - Volatility Comparison

State Street US Equity Premium Income ETF (SPIN) has a higher volatility of 1.82% compared to Main Buywrite ETF (BUYW) at 1.02%. This indicates that SPIN's price experiences larger fluctuations and is considered to be riskier than BUYW based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SPIN	BUYW	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.82%	1.02%	+0.80%
Volatility (6M) Calculated over the trailing 6-month period	8.03%	4.03%	+4.00%
Volatility (1Y) Calculated over the trailing 1-year period	10.49%	4.85%	+5.64%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.33%	8.47%	+5.86%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.33%	8.47%	+5.86%

SPIN vs. BUYW - Expense Ratio Comparison

SPIN has a 0.25% expense ratio, which is lower than BUYW's 1.29% expense ratio.

Dividends

SPIN vs. BUYW - Dividend Comparison

SPIN's dividend yield for the trailing twelve months is around 5.64%, less than BUYW's 5.91% yield.

Position	TTM	2025	2024	2023	2022
BUYW Main Buywrite ETF	5.91%	5.89%	5.93%	5.95%	0.50%
SPIN State Street US Equity Premium Income ETF	5.64%	8.20%	2.36%	0.00%	0.00%

Frequently Asked Questions

Can I hold both SPIN and BUYW in my portfolio?

SPIN and BUYW have a correlation of 0.52, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SPIN or BUYW?

SPIN has higher volatility (1.82%) compared to BUYW (1.02%). In terms of maximum drawdown, SPIN dropped -16.85% vs BUYW's -9.36%.

Which ETF is better, SPIN or BUYW?

On 1-year performance, SPIN leads with 19.71% vs 9.76% for BUYW. On fees, SPIN is cheaper at 0.25% per year. On volatility, BUYW has been the lower-risk option at 1.02%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SPIN or BUYW?

Over the 1-year period, SPIN has performed better with a 19.71% return vs 9.76%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SPIN or BUYW?

SPIN is cheaper with a 0.25% expense ratio, compared with 1.29% for BUYW.

Which ETF pays a higher dividend yield, SPIN or BUYW?

BUYW has the higher dividend yield at 5.91%, compared with 5.64% for SPIN.

What is the main difference between SPIN and BUYW?

They also come from different issuers: State Street and Main Funds. Their fees differ too: 0.25% for SPIN and 1.29% for BUYW.

Which has better risk-adjusted returns?

BUYW currently has the higher Sharpe Ratio (2.03 vs 1.89), 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.