PSEP vs. VOO

Last updated Jun 23, 2026

PSEP (Innovator U.S. Equity Power Buffer ETF - September) and VOO (Vanguard S&P 500 ETF) are both exchange-traded funds - PSEP is a Defined Outcome fund tracking the S&P 500 Index, while VOO is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 5 years, PSEP returned 9.30%/yr vs 13.58%/yr for VOO. Their correlation of 0.92 suggests significant overlap in exposure. PSEP charges 0.79%/yr vs 0.03%/yr for VOO.

Performance

PSEP vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Innovator U.S. Equity Power Buffer ETF - September (PSEP) and Vanguard S&P 500 ETF (VOO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PSEP achieves a 5.06% return, which is significantly lower than VOO's 9.75% return.

PSEP

• 1D: -0.03%
• 1M: 0.59%
• YTD: 5.06%
• 6M: 5.05%
• 1Y: 14.82%
• 3Y*: 12.68%
• 5Y*: 9.30%
• 10Y*: —

VOO

• 1D: -0.29%
• 1M: 0.08%
• YTD: 9.75%
• 6M: 9.30%
• 1Y: 26.77%
• 3Y*: 21.36%
• 5Y*: 13.58%
• 10Y*: 15.77%

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

PSEP vs. VOO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
PSEP Innovator U.S. Equity Power Buffer ETF - September	5.06%	11.85%	12.44%	18.84%	-3.74%	8.85%	8.48%	4.58%
VOO Vanguard S&P 500 ETF	9.75%	17.82%	24.98%	26.32%	-18.17%	28.79%	18.32%	11.19%

Correlation

The correlation between PSEP and VOO is 0.94, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.94
Correlation (3Y) Calculated over the trailing 3-year period	0.94
Correlation (5Y) Calculated over the trailing 5-year period	0.93
Correlation (All Time) Calculated using the full available price history since Sep 3, 2019	0.92

The correlation between PSEP and VOO has been stable across timeframes, ranging from 0.92 to 0.94 - a consistent structural relationship.

PSEP vs. VOO - Sectors Allocation Comparison

Sectors	PSEP	VOO
Technology	38.4%	39.1%
Financial Services	11.0%	10.9%
Communication Services	10.8%	10.5%
Consumer Cyclical	10.0%	9.8%
Healthcare	8.4%	8.3%
Industrials	7.9%	7.6%
Consumer Defensive	4.6%	4.5%
Energy	3.2%	3.2%
Utilities	2.1%	2.5%
Real Estate	1.8%	1.8%
Basic Materials	1.7%	1.7%

Return for Risk

PSEP vs. VOO — Risk / Return Rank

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

PSEP

PSEP Risk / Return Rank: 85
PSEP Sharpe Ratio Rank: 85
PSEP Sortino Ratio Rank: 89
PSEP Omega Ratio Rank: 89
PSEP Calmar Ratio Rank: 74
PSEP Martin Ratio Rank: 89

VOO

VOO Risk / Return Rank: 68
VOO Sharpe Ratio Rank: 70
VOO Sortino Ratio Rank: 67
VOO Omega Ratio Rank: 69
VOO Calmar Ratio Rank: 63
VOO 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.

PSEP vs. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Innovator U.S. Equity Power Buffer ETF - September (PSEP) and Vanguard S&P 500 ETF (VOO). 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.

	PSEP	VOO	Difference
Sharpe ratio: Return per unit of total volatility	2.64	2.17	+0.47
Sortino ratio: Return per unit of downside risk	3.90	2.93	+0.97
Omega ratio: Gain probability vs. loss probability	1.54	1.39	+0.15
Calmar ratio: Return relative to maximum drawdown	3.64	3.02	+0.62
Martin ratio: Return relative to average drawdown	19.25	13.58	+5.67

PSEP vs. VOO - Sharpe Ratio Comparison

The current PSEP Sharpe Ratio is 2.64, which is comparable to the VOO Sharpe Ratio of 2.17. The chart below compares the historical Sharpe Ratios of PSEP and VOO, 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

PSEP vs. VOO - Drawdown Comparison

The maximum PSEP drawdown since its inception was -17.90%, smaller than the maximum VOO drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for PSEP and VOO.

Drawdown Indicators

	PSEP	VOO	Difference
Max Drawdown Largest peak-to-trough decline	-17.90%	-33.99%	+16.09%
Max Drawdown (1Y) Largest decline over 1 year	-4.08%	-8.90%	+4.82%
Max Drawdown (3Y) Largest decline over 3 years	-9.92%	-18.69%	+8.77%
Max Drawdown (5Y) Largest decline over 5 years	-9.92%	-24.52%	+14.60%
Max Drawdown (10Y) Largest decline over 10 years	—	-33.99%	—
Current Drawdown Current decline from peak	-0.15%	-1.74%	+1.59%
Average Drawdown Average peak-to-trough decline	-1.55%	-3.68%	+2.13%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.77%	1.98%	-1.21%

Volatility

PSEP vs. VOO - Volatility Comparison

The current volatility for Innovator U.S. Equity Power Buffer ETF - September (PSEP) is 1.26%, while Vanguard S&P 500 ETF (VOO) has a volatility of 4.60%. This indicates that PSEP experiences smaller price fluctuations and is considered to be less risky than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PSEP	VOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.26%	4.60%	-3.34%
Volatility (6M) Calculated over the trailing 6-month period	4.33%	9.73%	-5.40%
Volatility (1Y) Calculated over the trailing 1-year period	5.64%	12.39%	-6.75%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	8.62%	16.90%	-8.28%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	10.09%	18.05%	-7.96%

PSEP vs. VOO - Expense Ratio Comparison

PSEP has a 0.79% expense ratio, which is higher than VOO's 0.03% expense ratio.

Dividends

PSEP vs. VOO - Dividend Comparison

PSEP has not paid dividends to shareholders, while VOO's dividend yield for the trailing twelve months is around 1.04%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PSEP Innovator U.S. Equity Power Buffer ETF - September	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VOO Vanguard S&P 500 ETF	1.04%	1.13%	1.24%	1.46%	1.69%	1.25%	1.54%	1.88%	2.06%	1.78%	2.02%	2.10%

Frequently Asked Questions

Can I hold both PSEP and VOO in my portfolio?

With a correlation of 0.94, PSEP and VOO 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, PSEP or VOO?

VOO has higher volatility (4.60%) compared to PSEP (1.26%). In terms of maximum drawdown, PSEP dropped -17.90% vs VOO's -33.99%.

Which ETF is better, PSEP or VOO?

On 5-year performance, VOO leads with 13.58% vs 9.30% for PSEP. On fees, VOO is cheaper at 0.03% per year. On volatility, PSEP has been the lower-risk option at 1.26%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, PSEP or VOO?

Over the 5-year period, VOO has performed better with a 13.58% return vs 9.30%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, PSEP or VOO?

VOO is cheaper with a 0.03% expense ratio, compared with 0.79% for PSEP.

Which ETF pays a higher dividend yield, PSEP or VOO?

VOO has the higher dividend yield at 1.04%, compared with 0.00% for PSEP.

What is the main difference between PSEP and VOO?

PSEP is categorized as Defined Outcome, while VOO is S&P 500. Both ETFs track S&P 500 Index. They also come from different issuers: Innovator and Vanguard. Their fees differ too: 0.79% for PSEP and 0.03% for VOO.

Which has better risk-adjusted returns?

PSEP currently has the higher Sharpe Ratio (2.64 vs 2.17), 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.