GMMA vs VOO
GammaRoad Market Navigation ETF vs Vanguard S&P 500 ETF
Which is better, GMMA or VOO?
Tactical Allocation against Large Cap Blend.
VOO has a lower expense ratio. VOO led over 1Y and the full window.
MarketXLS is not an investment adviser. This comparison is generated automatically from market data and is for information only. A Best mark means the better reading on that one measure, not a recommendation to buy.
Side-by-Side Comparison
| Metric | GMMA | VOO |
|---|---|---|
| Expense Ratio | 0.75% | 0.03%Best |
| AUM | $7M | $997.4B |
| Dividend Yield | 3.39% | 1.04% |
| Holdings | 4 | 509 |
| YTD Return | +4.91% | +12.50%Best |
| 1Y Return | +6.94% | +17.58%Best |
| 3Y Return (annualized) | - | +21.27% |
| 5Y Return (annualized) | - | +12.95% |
| Volatility (annualized) | 6.2%Best | 12.7% |
| Max Drawdown | -5.7%Best | -18.7% |
| $10,000 over 2 years | $11,436 | $13,952Best |
| Fund Family | GammaRoad | Vanguard (US) |
| Category | Allocation/Balanced | Equity |
| Style | Tactical Allocation | Large Cap Blend |
| Inception | Sep 16, 2024 | Sep 7, 2010 |
Not shown on this pair: Top 10 Weight.
Volatility and max drawdown, and the $10,000 over 2 years row, are measured over the window both funds cover: Sep 17, 2024 to Sep 11, 2026 (2 years).
GMMA vs VOO growth
Month-end closes. Both lines start at 0% in the first month shown, so the gap between them is the difference in growth across that window. The full view covers the 2 years both funds cover.
GMMA vs VOO Performance
GammaRoad Market Navigation ETF (GMMA) is an ETF from GammaRoad and Vanguard S&P 500 ETF (VOO) is an ETF from Vanguard (US). Over the past year GMMA returned +6.94% while VOO returned +17.58%. Year to date, GMMA is up 4.91% versus a gain of 12.50% for VOO.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
VOO has been the more volatile fund, with annualized monthly volatility of 12.7% compared with 6.2% for GMMA. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The deepest peak-to-trough decline in our data was -5.7% for GMMA and -18.7% for VOO. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.76. They usually move together, but the gap leaves some room for diversification.
Fees and Cost Over Time
GMMA charges 0.75% per year while VOO charges 0.03%. On a $10,000 position that is $75 vs $3 annually, a gap of $72 per year that compounds over a long holding period. On income, GMMA currently yields 3.39% against 1.04% for VOO.
Holdings Overlap
We hold position weights for 3 holdings in GMMA and 505 in VOO, totalling 99.8% and 99.9% of the two funds. The two books name no position in common, so there is no overlap percentage to show.
The two holdings books were reported 64 days apart, GMMA as of Sep 2, 2026 and VOO as of Jun 30, 2026, so some of the difference between them is the time between the two reports rather than the funds.
0 positions in common, counted across the 3 positions we hold weights for in GMMA and 505 in VOO, against full books of 4 and 509.
You are not choosing between two funds in isolation.
Whichever of GMMA and VOO you pick has to sit alongside everything else you own. Add the rest and see what the combination actually holds.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, GMMA or VOO?
GMMA has an expense ratio of 0.75% while VOO charges 0.03%. VOO is the cheaper option, by $72 a year on a $10,000 investment.
Which performed better, GMMA or VOO?
Over the past year GMMA returned +6.94% vs +17.58% for VOO, so VOO leads on 1-year performance. Over the longest common window we track (2 years), GMMA annualized +6.94% vs +18.12% for VOO. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, GMMA or VOO?
VOO has been the more volatile fund at 12.7% annualized versus 6.2% for GMMA. Worst drawdown: GMMA -5.7% vs VOO -18.7%.
Should I hold both GMMA and VOO?
GMMA and VOO have a monthly-return correlation of 0.76, so their returns are far enough apart for the mix to behave differently from either one alone. This is information, not a recommendation.
Which pays a higher dividend, GMMA or VOO?
GMMA yields 3.39% while VOO yields 1.04%, so GMMA currently pays the higher dividend yield.
Is VOO better than GMMA?
VOO has a lower expense ratio. VOO led over 1Y and the full window. Which one suits a particular account depends on what it is for. This is information, not a recommendation.