Data as of Oct 28, 2026.
SPYM vs VO: Differences, Returns & Fees
Over the year to Oct 28, 2026, SPYM returned +13.7% to VO's +12.8%; 16% of their weight is in the same names.
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Net assets: $185.0bn on Oct 27, 2026 for State Street SPDR Portfolio S&P 500 ETF, and $103.4bn on Sep 30, 2026 for Vanguard Morningstar Mid-Cap ETF.
Pair scorecard
SPYM costs 0.01 points a year less; their one-year returns differ by 0.9 points; SPYM is 1.7 times larger.
| Measure | SPYM | VO |
|---|---|---|
| Return | ||
| Total return, 1 year | +13.7% | +12.8% |
| Drawdown | ||
| Below its high | 3.1%, high on Aug 14, 2026 | |
| Benchmark | ||
| What it tracks | S&P 500 Index | Morningstar US Mid Cap Index (formerly CRSP US Mid Cap Index) |
| Cost and size | ||
| Expense ratio | 0.02% | 0.03% |
| Net assets, as of Sep 30, 2026 | $173.6bn | $103.4bn |
| Holdings | ||
| Holdings in common | 16% | |
| Top ten holdings, share of the fund | 38.1% | 9.7% |
Holdings in common uses holdings dated Sep 30, 2026 and Oct 27, 2026. Method
Risk and return
Nov 25, 2005 to Oct 23, 2026 · 1,091 weekly returnsSPYM returned more: +793.5% to +579.1%. SPYM swung less: 17.2% to 20.0%. SPYM fell slightly less at its worst: −53.9% to −58.4%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | SPYM | VO | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +793.5% | +579.1% | SPYM | Price change plus distributions, reinvested. |
| Annualized | +11.0% | +9.6% | SPYM | Total return as a yearly rate. |
| Price return | +516.4% | +394.8% | SPYM | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 17.2% | 20.0% | SPYM | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 12.1% | 14.2% | SPYM | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −53.9% | −58.4% | SPYM (slight) | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | 0.59 | 0.47 | SPYM | Return above Treasury bills per unit of volatility. |
| Sortino | 0.84 | 0.66 | SPYM | Return above Treasury bills per unit of downside deviation. |
| Calmar | 0.20 | 0.16 | SPYM | Annualized return divided by the max drawdown. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 1,091 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, SPYM and VO hold 16% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 27, 2026.
half
16% in common
Only in one fund ↓
Side by side
SPYM and VO on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
SPYM and VO do different jobs. What does each one do in a portfolio?
- What each follows. SPYM follows S&P 500 Index and VO follows Morningstar US Mid Cap Index (formerly CRSP US Mid Cap Index).
- Holdings in common. 16% of the weight is in the same securities (holdings dated Oct 27, 2026 and Sep 30, 2026).
- One-year total return (similar). Over 1 year to Oct 28, 2026 SPYM returned +13.7% and VO +12.8% with distributions reinvested, a gap of 0.9 points.
Data as of Oct 28, 2026.
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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%.
VO
VO tracks an index of Mid-Cap. Over the year to Oct 28, 2026 it returned +12.8% with distributions reinvested. The prospectus expense ratio is 0.03% a year. By its holdings published by its issuer as of Sep 30, 2026, 91% of the fund by weight is stocks the S&P 500 also holds, across 273 positions, with the top ten at 9.7%. It sat 3.1% below its high of Aug 14, 2026 on Oct 28, 2026.
Questions people ask
- Which returned more over the last year, SPYM or VO?
- In the year to Oct 28, 2026, with distributions reinvested, SPYM returned +13.7% and VO +12.8%.
- Which is cheaper, SPYM or VO?
- 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.
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ETFIQ, SPYM against VO, data as of Oct 28, 2026. https://etfiq.com/compare/any/spym-vs-vo
ETFIQ. (Oct 28, 2026). SPYM against VO. Retrieved from https://etfiq.com/compare/any/spym-vs-vo
[SPYM against VO (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/spym-vs-vo)
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