Compare
Sign Up

Compare/Updated Oct 26, 2026, refreshed every trading day

FSKAX vs VOO

Fidelity Total Market Index Fund against Vanguard S&P 500 ETF: 4 years of returns, risk and today’s technical read, from Kavout’s own data.

FSKAXFidelity Total Market Index Fund
$1,997
+99.7% since Oct 28, 2022
$209.46 today-0.5%
VOOVanguard S&P 500 ETF
$2,065
+106.5% since Oct 28, 2022
$698.58 today-0.5%
Growth of $1,000adjusted closes, dividends included
$925$1,239$1,553$1,866$2,1802023202420252026FSKAX $1,997VOO $2,065
FSKAXVOO1000 trading days, Kavout market data
The short answer

VOO did better over the period: $1,000 invested on October 28, 2022 would be worth $2,065 versus $1,997 for FSKAX, a difference of $68. VOO also led over three years (+83.6% versus +80.0%), year to date (+12.4% versus +12.1%), and one year (+15.1% versus +13.5%). Its slight risk advantage matters: volatility was 12.7% versus 12.9%, and its worst drawdown was -18.7% versus -19.4%. The funds remain highly similar, with a 0.976 correlation and FSKAX moving 1.01% per 1% move in VOO. VOO’s stronger result likely reflects its concentration in large-cap U.S. companies, which outperformed the broader market during the comparison period. FSKAX won 19 of the last 48 months, but VOO won 29.

FSKAXFidelity Total Market Index Fund
$209.46-0.5% today
  • Technical indicators are not available for this ticker yet.
VOOVanguard S&P 500 ETF
$698.58-0.5% today
  • Price is above its 200-day average ($665); 50-day at $705.
  • RSI 42, neutral. Supertrend says sell. ADX 14, so the trend is weak.
Awesome Oscillator Bearish CrossSupertrend BearishDowntrendUnderperforming the market (SPY)A/D Line in a Downtrend

Head to head

Which has returned more, FSKAX or VOO?

FSKAX beat VOO in 19 of the last 48 months; VOO won the other 29. The typical monthly gap was 0.25 points.

Total return by period

FSKAXVOO
1 month
-1.1%
-0.9%
3 months
+2.4%
+3.1%
6 months
+6.4%
+7.0%
YTD
+12.1%
+12.4%
1 year
+13.5%
+15.1%
3 years
+80.0%
+83.6%
Since 2022-10
+99.7%
+106.5%

Which is riskier?

Volatility, last 12 months
12.9%
12.7%
Worst drawdown since 2022
-19.4%
-18.7%

Both: Feb 19, 2025 to Apr 8, 2025

0.976
correlation of daily moves, 4 years
1.01
FSKAX move per 1% in VOO
0.904
correlation, last 12 months

Month by month

FSKAX led 19
VOO led 29

Of the last 48 months. The typical gap was 0.25 points.

When did they diverge?

MonthFSKAXVOOGap
March 2023+2.6%+3.7%-1.07 pts
December 2025-0.9%+0.1%-1.03 pts
November 2024+6.7%+5.9%+0.77 pts
December 2023+5.3%+4.6%+0.77 pts

Where the numbers come from. 1000 daily adjusted closes per fund from the Kavout market-data API, dividends included. Signals and indicators are Kavout’s own, refreshed nightly. Every figure is calculated from those adjusted closes.

Holdings and fees

What do you actually own with FSKAX and VOO?

FSKAX
Fidelity Total Market Index Fund
Price
$209.46
0.976
correlation
VOO
Vanguard S&P 500 ETF
Expense ratio
0.03%
Fund assets
$1,671B
Price
$698.58

Go deeper

Ask InvestGPT which one fits your portfolio.

Eight research agents read your holdings, the overlap and the tax side, then answer in plain words. Free accounts get one report a month.

More comparisons

Find another comparison.

Track both, get told when something changes.

Add FSKAX and VOO to a watchlist and Kavout emails you when a signal flips or a price target is hit.

Free account, no card