Data as of Oct 28, 2026.
VOO vs ZAUG: Differences, Returns & Fees
Over the year to Oct 28, 2026, VOO returned +13.7% to ZAUG's +5.5%, and VOO charges 0.03% to ZAUG's 0.79%.
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Net assets: $1.0tn on Sep 30, 2026 for Vanguard S&P 500 ETF, and $160m on Oct 28, 2026 for Innovator Equity Defined Protection ETF - 1 Yr August.
Pair scorecard
VOO costs 0.76 points a year less; their one-year returns differ by 8.2 points.
| Measure | VOO | ZAUG |
|---|---|---|
| Return | ||
| Total return, 1 year | +13.7% | +5.5% |
| Drawdown | ||
| Index fall to the buffer | 3.2% | |
| Fund price fall to the buffer | 1.5% | |
| Benchmark | ||
| What it tracks | S&P 500 Index | SPY |
| The outcome period | ||
| Room to the cap | 6.7% | |
| Buffer left, in index points | 100.0% of 100.0% | |
| Days left in the period | 276 | |
| Period ends | Jul 31, 2027 | |
| Cost and size | ||
| Expense ratio | 0.03% | 0.79% |
| Net assets, VOO as of Sep 30, 2026 and ZAUG as of Oct 28, 2026 | $1.0tn | $160m |
| Holdings | ||
| Holdings in common | not published | |
| Top ten holdings, share of the fund | 39.1% | |
Side by side
VOO and ZAUG on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
VOO
VOO tracks the S&P 500. Over the year to Oct 28, 2026 it returned +13.7% with distributions reinvested, against +13.7% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.03% a year. By its holdings published by its issuer as of Sep 30, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 507 positions, with the top ten at 39.1%.
ZAUG
From its price on Oct 28, 2026, the fund can gain about 6.7% more before it reaches its cap. The fund's price can fall 1.5% from here before the buffer starts absorbing losses, by the issuer's number. In index terms, SPY can fall 3.2% from today's level to the point where the buffer begins. Protection left, in index points: 100.0% of the 100.0% buffer still sits below today's SPY level. 276 days remained on Oct 28, 2026. On Jul 31, 2027 the period ends and a new cap is set.
Questions people ask
- Are VOO and ZAUG in the same category?
- VOO is a stock ETF and ZAUG is a buffer ETF, so they do different jobs. The table compares what both publish: return, cost and holdings.
- Which returned more over the last year, VOO or ZAUG?
- In the year to Oct 28, 2026, with distributions reinvested, VOO returned +13.7% and ZAUG +5.5%.
- Which is cheaper, VOO or ZAUG?
- VOO is cheaper, by 0.76 percentage points a year. That is about $76 on $10,000 held for a year. Fees come from each fund's prospectus.
Links are sources, not endorsements. A comparison is not a recommendation.
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ETFIQ, VOO against ZAUG, data as of Oct 28, 2026. https://etfiq.com/compare/any/voo-vs-zaug
ETFIQ. (Oct 28, 2026). VOO against ZAUG. Retrieved from https://etfiq.com/compare/any/voo-vs-zaug
[VOO against ZAUG (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/voo-vs-zaug)
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