VOO
Vanguard S&P 500 ETF
VOO tracks the S&P 500 Index, representing 500 of the largest US publicly traded companies. As Vanguard's flagship S&P 500 ETF, it offers ultra-low-cost exposure to the US large-cap equity market. VOO is renowned for its precise S&P 500 tracking, massive scale ($900B+ in assets), and exceptional cost efficiency at 0.03% expense ratio.
SCHX
Schwab U.S. Large-Cap ETF
SCHX tracks the Dow Jones U.S. Large-Cap Total Stock Market Index, providing exposure to approximately 750 of the largest US companies. As part of Schwab's low-cost ETF lineup, SCHX offers broader large-cap coverage than the S&P 500 while maintaining identical 0.03% expense ratio. It includes S&P 500 companies plus additional large-cap stocks.
Key Metrics Comparison
| Metric | VOO | SCHX | Winner |
|---|---|---|---|
| Expense Ratio | 0.03% | 0.03% | Draw (Identical) |
| Number of Holdings | 500 | 750+ | SCHX (More holdings) |
| Index Tracked | S&P 500 | Dow Jones US Large-Cap | Different approaches |
| Assets Under Management | $900B+ | $25B+ | VOO (Larger) |
| Average Daily Volume | 5M shares | 1M shares | VOO (Higher) |
| Inception Date | 2010 | 2009 | SCHX (Older) |
| 10-year Annual Return | 12.5% | 12.4% | VOO (Slightly higher) |
| Dividend Yield (TTM) | 1.5% | 1.5% | Draw (Identical) |
| Tracking Error | 0.02% | 0.03% | VOO (Lower) |
| Portfolio Overlap | 100% of S&P 500 | Includes all VOO + 250+ more | SCHX (Broader) |
Index Methodology Comparison
VOO: S&P 500 Index Methodology
VOO tracks the S&P 500, the most widely followed US equity benchmark. The index represents 500 leading US companies selected by S&P's committee based on market capitalization, liquidity, and sector representation.
SCHX: Dow Jones US Large-Cap Index
SCHX tracks the Dow Jones US Large-Cap Total Stock Market Index, which includes approximately 750 of the largest US companies. The index uses objective rules-based selection rather than committee decisions.
Cost Efficiency Analysis
Both VOO and SCHX share identical 0.03% expense ratios, making them among the lowest-cost large-cap ETFs available. The cost difference is negligible, with both charging $30 annually per $100,000 invested.
Expense Ratio Impact
Annual Cost: $30 per $100K (both)
10-year Cost: $300 per $100K
Cost Advantage: Identical 0.03%
Industry Benchmark: Among lowest available
Brokerage Considerations
Vanguard Platform: VOO trades commission-free
Schwab Platform: SCHX trades commission-free
Other Brokers: Both typically commission-free
Trading Costs: Both minimal bid-ask spreads
Total Cost of Ownership
Expense Ratio: Both 0.03%
Trading Costs: Both minimal
Tax Efficiency: Both excellent
Overall: Essentially identical costs
Holdings & Portfolio Comparison
VOO: S&P 500 Precision
VOO provides precise S&P 500 exposure with exactly 500 holdings. The portfolio represents the definitive US large-cap benchmark with committee-selected companies across all sectors.
- 500 holdings - S&P 500 exact representation
- Committee selection - Quality and liquidity focused
- Top 10 concentration: 32% of portfolio
- Sector balance: Mirrors S&P 500 exactly
- Market representation: ~80% of US market cap
- Technology weight: 28% (S&P 500 level)
- Quality focus: Includes financially viable companies
- Liquidity requirements: All holdings highly liquid
SCHX: Broad Large-Cap Coverage
SCHX provides broader large-cap exposure with 750+ holdings, including all S&P 500 companies plus approximately 250 additional large-cap stocks. This creates slightly more diversified exposure.
- 750+ holdings - Includes S&P 500 plus extras
- Rules-based selection - Objective methodology
- Top 10 concentration: 30% of portfolio (slightly lower)
- Sector balance: Similar to S&P 500
- Market representation: ~85% of US market cap
- Technology weight: 27% (similar to S&P 500)
- Broader exposure: Includes more large-cap names
- Additional diversification: 250+ extra holdings
Performance Analysis
Historical Performance Comparison
VOO and SCHX have delivered nearly identical historical returns, with VOO showing a slight edge due to its S&P 500 focus. The performance difference is minimal, typically within 0.1% annually, which is negligible for most investors.
Risk & Volatility Metrics
Both funds exhibit nearly identical risk characteristics, with VOO showing slightly lower volatility due to its more concentrated S&P 500 focus. The differences are minimal and unlikely to impact investor outcomes meaningfully.
Trading & Liquidity Analysis
VOO Trading Characteristics
Note: VOO offers excellent liquidity with massive trading volume, though less than SPY's extreme liquidity.
SCHX Trading Characteristics
Note: SCHX has very good liquidity sufficient for most investors, though lower than VOO's massive volume.
Performance in Different Market Environments
Large-Cap Leadership Periods
Broader Market Participation
Brokerage & Platform Considerations
VOO: Vanguard Ecosystem
Vanguard Platform: Commission-free trading, fractional shares
Other Brokers: Widely available, typically commission-free
Tax Efficiency: Excellent ETF structure, low turnover
Automatic Investing: Available on Vanguard platform
Fractional Shares: Available at most major brokers
DRIP: Dividend reinvestment widely available
Platform Integration: Seamless with Vanguard mutual funds
Advisor Use: Widely used by financial advisors
SCHX: Schwab Ecosystem
Schwab Platform: Commission-free trading, fractional shares
Other Brokers: Widely available, typically commission-free
Tax Efficiency: Excellent ETF structure, low turnover
Automatic Investing: Available on Schwab platform
Fractional Shares: Available at Schwab and most brokers
DRIP: Dividend reinvestment widely available
Platform Integration: Seamless with Schwab mutual funds
Advisor Use: Growing adoption by financial advisors
Investment Recommendation
📈 Choose VOO If:
- You want precise S&P 500 exposure (the market benchmark)
- You're a Vanguard investor or prefer their ecosystem
- You value maximum liquidity and trading volume
- You want the definitive US large-cap benchmark
- You prefer committee-selected quality companies
- You want slightly better options market liquidity
- You're building a portfolio around S&P 500 as core
- You want the largest AUM and most established fund
📊 Choose SCHX If:
- You want broader large-cap exposure (750+ vs 500 stocks)
- You're a Schwab investor or prefer their ecosystem
- You prefer rules-based index methodology
- You want slightly more diversified large-cap exposure
- You value having all S&P 500 plus additional stocks
- You want identical 0.03% cost with broader coverage
- You're building a Schwab-centered portfolio
- You want exposure to large-caps beyond the S&P 500
💡 Strategic Decision Framework
Cost Comparison: Identical 0.03% expense ratios. Performance Difference: Minimal (0.1% annually). Holdings Difference: VOO 500 vs SCHX 750+ stocks. Index Methodology: VOO committee-selected vs SCHX rules-based. Liquidity: VOO higher volume but both sufficient. Brokerage Alignment: Choose based on your primary brokerage. Portfolio Construction: Both excellent core large-cap holdings. Tax Efficiency: Both excellent ETF structures. Long-term Outlook: Expected performance nearly identical. Important: This is largely a choice between brokerage ecosystems and slight methodological preferences rather than meaningful performance differences. For Vanguard investors, VOO is natural. For Schwab investors, SCHX is natural. For others, either is excellent.