FSKAX vs FXAIX
Fidelity Total Market Index Fund vs Fidelity 500 Index Fund
Quick Verdict
FSKAX delivered stronger 1-year returns. FSKAX offers more diversification with 3,773 holdings.
Side-by-Side Comparison
| Metric | FSKAX | FXAIX | Winner |
|---|---|---|---|
| Expense Ratio | 0.02% | 0.02% | |
| AUM | $99.4B | $594.0B | |
| Dividend Yield | 0.95% | 1.06% | |
| Holdings | 3,773 | 1,009 | |
| YTD Return | +12.65% | +11.77% | |
| 1Y Return | +19.06% | +18.87% | |
| 3Y Return (annualized) | +20.12% | +20.24% | |
| 5Y Return (annualized) | +10.52% | +11.38% | |
| Volatility (annualized) | 16.1% | 15.6% | |
| Max Drawdown | -26.0% | -25.4% | |
| Fund Family | Fidelity Investments (US) | Fidelity Investments (US) | |
| Category | Equity | Equity | |
| Inception | Sep 8, 2011 | May 4, 2011 |
FSKAX vs FXAIX Performance
Fidelity Total Market Index Fund (FSKAX) is a mutual fund from Fidelity Investments (US) and Fidelity 500 Index Fund (FXAIX) is a mutual fund from Fidelity Investments (US). Over the past year FSKAX returned +19.06% while FXAIX returned +18.87%. Year to date, FSKAX is up 12.65% versus a gain of 11.77% for FXAIX.
Over three years, FSKAX compounded at +20.12% per year against +20.24% for FXAIX; over five years the annualized figures are +10.52% and +11.38% respectively. Across the full 5-year window we track, FXAIX has the edge at +11.38% annualized vs +10.52%. Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
FSKAX has been the more volatile fund, with annualized monthly volatility of 16.1% compared with 15.6% for FXAIX. 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 -26.0% for FSKAX and -25.4% for FXAIX. Drawdown depth is worth weighing if you expect to sell during market stress rather than ride it out.
The two funds' monthly returns correlate at 0.99. They move almost in lockstep, so holding both mostly duplicates the same exposure.
Fees and Cost Over Time
FSKAX charges 0.02% per year while FXAIX charges 0.02%. On a $10,000 position that is $2 vs $2 annually. On income, FSKAX currently yields 0.95% against 1.06% for FXAIX.
Holdings Overlap
FSKAX and FXAIX share 504 holdings out of 3690 unique holdings combined, representing a 85.9% weight overlap.
High overlap means holding both may not provide much additional diversification.
Frequently Asked Questions
Which is cheaper, FSKAX or FXAIX?
FSKAX has an expense ratio of 0.02% while FXAIX charges 0.02%. They cost the same. On a $10,000 investment, that is $0 per year of difference.
Which performed better, FSKAX or FXAIX?
Over the past year FSKAX returned +19.06% vs +18.87% for FXAIX, so FSKAX leads on 1-year performance. Over the longest common window we track (5 years), FSKAX annualized +10.52% vs +11.38% for FXAIX. Past performance does not guarantee future results.
Which is riskier, FSKAX or FXAIX?
FSKAX has been the more volatile fund at 16.1% annualized versus 15.6% for FXAIX. Worst drawdown: FSKAX -26.0% vs FXAIX -25.4%.
Should I hold both FSKAX and FXAIX?
FSKAX and FXAIX have a monthly-return correlation of 0.99, so they move almost identically. Holding both adds little diversification - most investors pick one, usually on fees or the specific index tracked.
What is the holdings overlap between FSKAX and FXAIX?
FSKAX and FXAIX share 504 common holdings with a 85.9% weight overlap. Combined, they hold 3690 unique securities.
Which pays a higher dividend, FSKAX or FXAIX?
FSKAX yields 0.95% while FXAIX yields 1.06%, so FXAIX currently pays the higher dividend yield.
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