Updated Reviewed quarterly
SPY vs VOO: Which S&P 500 ETF?
SPY
TER 0.09% · Yield 1.3% · Quarterly
VOO
TER 0.03% · Yield 1.4% · Quarterly
Both track the same 500 US companies, but one costs 3x more. Here's what NZ investors need to know.
Key Difference
VOO has a lower expense ratio (0.03% vs 0.09%) while SPY has higher liquidity and tighter spreads. Both track the same S&P 500 index. The fee difference can compound over long time periods.
Head-to-Head Comparison
| Feature | SPY | VOO | Winner |
|---|---|---|---|
| Expense Ratio | 0.09% | 0.03% | VOO |
| Index Tracked | S&P 500 | S&P 500 | Tie |
| Holdings | ~500 | ~500 | Tie |
| Dividend Yield | ~1.4% | ~1.4% | Tie |
| AUM | $550B+ | $450B+ | SPY |
| Daily Volume | 80M+ shares | 5M+ shares | SPY |
| Bid-ask spread | Tighter (highest-volume US ETF) | Wider than SPY but still narrow | SPY |
| Provider | State Street | Vanguard | - |
| Structure | Unit Trust | ETF | VOO |
Annual fee cost — worked example
The TER gap looks small but is real money each year. Worked example assumes a fixed NZ$50,000 principal — illustrative only.
NZ$50,000 invested — gross annual fund-management fee
SPY (0.09% TER)
NZ$47.25/year
VOO (0.03% TER)
NZ$15.00/year
VOO's TER (0.03%) is lower than SPY's (0.09%). The annual fee difference on NZ$50,000 is approximately NZ$32.25/year. Compounded effects depend on assumed return rate + horizon, which we do not project forward.
Key Differences
SPY Characteristics
- Highest liquidity and tightest spreads
- Most liquid options market of any ETF
- Higher expense ratio (0.09%)
VOO Characteristics
- Lower expense ratio (0.03%)
- ETF structure (vs SPY's unit trust)
- Vanguard's investor-owned structure
These are general product characteristics, not recommendations. Consult a licensed financial adviser to assess suitability for your circumstances.
For NZ Investors Specifically
Both available on NZ platforms
Hatch, Stake, Sharesies, and Interactive Brokers all offer both SPY and VOO. No difference in accessibility.
Same tax treatment
Both are US-domiciled ETFs subject to the same FIF rules and 15% US withholding tax (with W-8BEN form).
Currency considerations
Both are priced in USD. Your returns will be affected by NZD/USD exchange rate movements regardless of which you choose.
Summary
Both ETFs track the same index. VOO has lower fees (0.03% vs 0.09%) while SPY has higher liquidity. Your choice may depend on trading frequency, order size, and platform availability.
Related to SPY vs VOO
SPY ETF detail
Full SPY guide for NZ investors.
VOO ETF detail
Full VOO guide for NZ investors.
VTI vs VOO
Total US market vs S&P 500 only.
Best S&P 500 ETFs for NZ
SPY · VOO · IVV · NZX-listed USF.
How to buy US ETFs from NZ
Platforms supporting both ETFs.
NZ-listed ETFs (no FIF)
Smartshares USF + Kernel S&P 500 alternatives.