BAUG vs. SPY

Last updated Jun 23, 2026

BAUG (Innovator U.S. Equity Buffer ETF - August) and SPY (State Street SPDR S&P 500 ETF) are both exchange-traded funds - BAUG is a Defined Outcome fund tracking the Cboe S&P 500 Buffer Protect Index August, while SPY is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 5 years, BAUG returned 11.12%/yr vs 13.51%/yr for SPY. With a 0.95 correlation, they move nearly in lockstep. BAUG charges 0.79%/yr vs 0.09%/yr for SPY.

Performance

BAUG vs. SPY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Innovator U.S. Equity Buffer ETF - August (BAUG) and State Street SPDR S&P 500 ETF (SPY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BAUG achieves a 6.74% return, which is significantly lower than SPY's 9.74% return.

BAUG

• 1D: -0.06%
• 1M: 0.78%
• YTD: 6.74%
• 6M: 6.65%
• 1Y: 19.96%
• 3Y*: 17.58%
• 5Y*: 11.12%
• 10Y*: —

SPY

• 1D: -0.31%
• 1M: 0.09%
• YTD: 9.74%
• 6M: 9.27%
• 1Y: 26.65%
• 3Y*: 21.27%
• 5Y*: 13.51%
• 10Y*: 15.70%

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

BAUG vs. SPY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
BAUG Innovator U.S. Equity Buffer ETF - August	6.74%	14.81%	21.15%	20.11%	-10.30%	12.06%	12.20%	5.94%
SPY State Street SPDR S&P 500 ETF	9.74%	17.72%	24.89%	26.18%	-18.18%	28.73%	18.33%	9.25%

Correlation

The correlation between BAUG and SPY 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	0.97
Correlation (5Y) Calculated over the trailing 5-year period	0.97
Correlation (All Time) Calculated using the full available price history since Aug 1, 2019	0.95

The correlation between BAUG and SPY has been stable across timeframes, ranging from 0.95 to 0.97 - a consistent structural relationship.

BAUG vs. SPY - Sectors Allocation Comparison

Sectors	BAUG	SPY
Technology	38.4%	39.0%
Financial Services	11.0%	11.1%
Communication Services	10.8%	10.6%
Consumer Cyclical	10.0%	9.9%
Healthcare	8.4%	8.3%
Industrials	7.9%	7.8%
Consumer Defensive	4.6%	4.5%
Energy	3.2%	3.1%
Utilities	2.1%	2.1%
Real Estate	1.8%	1.8%
Basic Materials	1.7%	1.7%

Return for Risk

BAUG vs. SPY — Risk / Return Rank

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

BAUG

BAUG Risk / Return Rank: 84
BAUG Sharpe Ratio Rank: 84
BAUG Sortino Ratio Rank: 87
BAUG Omega Ratio Rank: 87
BAUG Calmar Ratio Rank: 72
BAUG Martin Ratio Rank: 87

SPY

SPY Risk / Return Rank: 68
SPY Sharpe Ratio Rank: 69
SPY Sortino Ratio Rank: 66
SPY Omega Ratio Rank: 68
SPY Calmar Ratio Rank: 63
SPY Martin Ratio Rank: 74

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.

BAUG vs. SPY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Innovator U.S. Equity Buffer ETF - August (BAUG) and State Street SPDR S&P 500 ETF (SPY). 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.

	BAUG	SPY	Difference
Sharpe ratio: Return per unit of total volatility	2.60	2.16	+0.44
Sortino ratio: Return per unit of downside risk	3.75	2.91	+0.84
Omega ratio: Gain probability vs. loss probability	1.51	1.39	+0.12
Calmar ratio: Return relative to maximum drawdown	3.54	3.01	+0.53
Martin ratio: Return relative to average drawdown	17.94	13.54	+4.40

BAUG vs. SPY - Sharpe Ratio Comparison

The current BAUG Sharpe Ratio is 2.60, which is comparable to the SPY Sharpe Ratio of 2.16. The chart below compares the historical Sharpe Ratios of BAUG and SPY, 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

BAUG vs. SPY - Drawdown Comparison

The maximum BAUG drawdown since its inception was -24.19%, smaller than the maximum SPY drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for BAUG and SPY.

Drawdown Indicators

	BAUG	SPY	Difference
Max Drawdown Largest peak-to-trough decline	-24.19%	-55.19%	+31.00%
Max Drawdown (1Y) Largest decline over 1 year	-5.66%	-8.88%	+3.22%
Max Drawdown (3Y) Largest decline over 3 years	-13.78%	-18.76%	+4.98%
Max Drawdown (5Y) Largest decline over 5 years	-15.59%	-24.50%	+8.91%
Max Drawdown (10Y) Largest decline over 10 years	—	-33.72%	—
Current Drawdown Current decline from peak	-0.16%	-1.75%	+1.59%
Average Drawdown Average peak-to-trough decline	-2.83%	-9.04%	+6.21%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.12%	1.97%	-0.85%

Volatility

BAUG vs. SPY - Volatility Comparison

The current volatility for Innovator U.S. Equity Buffer ETF - August (BAUG) is 1.70%, while State Street SPDR S&P 500 ETF (SPY) has a volatility of 4.64%. This indicates that BAUG experiences smaller price fluctuations and is considered to be less risky than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BAUG	SPY	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.70%	4.64%	-2.94%
Volatility (6M) Calculated over the trailing 6-month period	5.95%	9.75%	-3.80%
Volatility (1Y) Calculated over the trailing 1-year period	7.72%	12.43%	-4.71%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.73%	17.14%	-5.41%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.91%	17.99%	-4.08%

BAUG vs. SPY - Expense Ratio Comparison

BAUG has a 0.79% expense ratio, which is higher than SPY's 0.09% expense ratio.

Dividends

BAUG vs. SPY - Dividend Comparison

BAUG has not paid dividends to shareholders, while SPY's dividend yield for the trailing twelve months is around 1.01%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BAUG Innovator U.S. Equity Buffer ETF - August	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SPY State Street SPDR S&P 500 ETF	1.01%	1.07%	1.21%	1.40%	1.65%	1.20%	1.52%	1.75%	2.04%	1.80%	2.03%	2.06%

Frequently Asked Questions

Can I hold both BAUG and SPY in my portfolio?

With a correlation of 0.97, BAUG and SPY 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, BAUG or SPY?

SPY has higher volatility (4.64%) compared to BAUG (1.70%). In terms of maximum drawdown, BAUG dropped -24.19% vs SPY's -55.19%.

Which ETF is better, BAUG or SPY?

On 5-year performance, SPY leads with 13.51% vs 11.12% for BAUG. On fees, SPY is cheaper at 0.09% per year. On volatility, BAUG has been the lower-risk option at 1.70%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, BAUG or SPY?

Over the 5-year period, SPY has performed better with a 13.51% return vs 11.12%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, BAUG or SPY?

SPY is cheaper with a 0.09% expense ratio, compared with 0.79% for BAUG.

Which ETF pays a higher dividend yield, BAUG or SPY?

SPY has the higher dividend yield at 1.01%, compared with 0.00% for BAUG.

What is the main difference between BAUG and SPY?

BAUG is categorized as Defined Outcome, while SPY is S&P 500. BAUG tracks Cboe S&P 500 Buffer Protect Index August, while SPY tracks S&P 500 Index. They also come from different issuers: Innovator and State Street. Their fees differ too: 0.79% for BAUG and 0.09% for SPY.

Which has better risk-adjusted returns?

BAUG currently has the higher Sharpe Ratio (2.60 vs 2.16), 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.