Data as of Oct 28, 2026.
SPYM vs VOO: Differences, Returns & Fees
Over the year to Oct 28, 2026, SPYM and VOO finished level, +13.7% against +13.7%, and they share 96% of their weight.
askIQ about this page
askIQ about SPYM and VOO
Net assets: $185.0bn on Oct 27, 2026 for State Street SPDR Portfolio S&P 500 ETF, and $1.0tn on Sep 30, 2026 for Vanguard S&P 500 ETF.
Pair scorecard
SPYM costs 0.01 points a year less; both returned +13.7% over a year; VOO is 5.8 times larger.
| Measure | SPYM | VOO |
|---|---|---|
| Return | ||
| Total return, 1 year | +13.7% | +13.7% |
| Benchmark | ||
| What it tracks | S&P 500 Index | S&P 500 Index |
| Cost and size | ||
| Expense ratio | 0.02% | 0.03% |
| Net assets, as of Sep 30, 2026 | $173.6bn | $1.0tn |
| Holdings | ||
| Holdings in common | 96% | |
| Top ten holdings, share of the fund | 38.1% | 39.1% |
Holdings in common uses holdings dated Sep 30, 2026 and Oct 27, 2026. Method
Risk and return
Sep 17, 2010 to Oct 23, 2026 · 840 weekly returns · each against IVVSPYM and VOO returned about the same: +799.2% and +804.0%. SPYM and VOO swung about the same: 15.7% and 15.9%. SPYM and VOO fell about the same at their worst: −31.8% and −31.8%.
Full scorecard
19 measures, with how each is measured Open ↓
| Measure | SPYM | VOO | IVV | Edge | How it is measured |
|---|---|---|---|---|---|
| Return | |||||
| Total return | +799.2% | +804.0% | Tie | Price change plus distributions, reinvested. | |
| Annualized | +14.6% | +14.6% | Tie | Total return as a yearly rate. | |
| Price return | +579.8% | +575.9% | Tie | Price change alone, distributions left out. | |
| Risk | |||||
| Volatility | 15.7% | 15.9% | Tie | Spread of weekly returns, annualized. Lower is steadier. | |
| Downside deviation | 10.8% | 10.9% | Tie | Like volatility, counting only weeks below the Treasury bill rate. | |
| Max drawdown | −31.8% | −31.8% | Tie | Deepest fall from a high to the low after it. | |
| Upside capture | 96.0% | 99.8% | 100.0% | VOO (slight) | Share of its benchmark's rise caught in the weeks it rose. |
| Downside capture | 97.5% | 99.9% | 100.0% | SPYM (slight) | Share of its benchmark's fall taken in the weeks it fell. Lower is better. |
| Beta | 0.97 | 1.00 | 1.00 | SPYM lower | How far it moves for each 1% its benchmark moves. |
| R squared | 0.97 | 1.00 | 1.00 | Not an edge | Share of its weekly moves its benchmark explains. |
| Risk-adjusted | |||||
| Sharpe | 0.84 | 0.84 | Tie | Return above Treasury bills per unit of volatility. | |
| Sortino | 1.23 | 1.22 | Tie | Return above Treasury bills per unit of downside deviation. | |
| Treynor | 0.137 | 0.134 | 0.133 | SPYM (slight) | Return above Treasury bills per unit of beta. |
| Calmar | 0.46 | 0.46 | Tie | Annualized return divided by the max drawdown. | |
| Against the benchmark | |||||
| Benchmark | IVV | IVV | IVV | The ETF each fund is measured against. | |
| Alpha | +0.3% a year | 0.0% a year | 0.0% | Not significant | Yearly return beyond what its beta to the benchmark predicts. |
| Alpha t-stat | 0.49 | 0.51 | Not an edge | How sure the alpha is. Below 2, it could be chance. | |
| Alpha range | −1.0% to +1.7% | −0.1% to +0.2% | Both include zero | The 95% range for the yearly alpha. | |
| Information ratio | −0.02 | 0.02 | VOO | Return against its benchmark per unit of tracking error. | |
| Tracking error | 2.8% | 0.4% | 0.0% | Not an edge | How far weekly returns stray from the benchmark, annualized. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 840 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, SPYM and VOO hold 96% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 27, 2026.
half
96% in common
Only in one fund ↓
Side by side
SPYM and VOO on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
SPYM and VOO are close to the same fund. What, if anything, separates them?
- Size. SPYM has $173.6bn in net assets and VOO $1.0tn (net assets, as of Sep 30, 2026); VOO is 5.8 times larger.
- What each follows (similar). Both follow S&P 500 Index.
- Holdings in common (similar). 96% of the weight is in the same securities (holdings dated Oct 27, 2026 and Sep 30, 2026).
Data as of Oct 28, 2026.
Free. It needs an email sign-in, once.
SPYM
SPYM 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 0.02% a year. By its holdings published by its issuer for Oct 27, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 506 positions, with the top ten at 38.1%.
VOO
VOO tracks the S&P 500. 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%.
Questions people ask
- Which returned more over the last year, SPYM or VOO?
- In the year to Oct 28, 2026, with distributions reinvested, SPYM returned +13.7% and VOO +13.7%.
- Which is cheaper, SPYM or VOO?
- SPYM is cheaper, by 0.01 percentage points a year. That is about $1 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.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
Cite this pageCitation, APA and Markdown
ETFIQ, SPYM against VOO, data as of Oct 28, 2026. https://etfiq.com/compare/any/spym-vs-voo
ETFIQ. (Oct 28, 2026). SPYM against VOO. Retrieved from https://etfiq.com/compare/any/spym-vs-voo
[SPYM against VOO (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/spym-vs-voo)
Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.