VT vs. FSKAX

Last updated Jun 16, 2026

VT (Vanguard Total World Stock ETF) and FSKAX (Fidelity Total Market Index Fund) are both funds - VT is a Global Equities fund tracking the FTSE Global All Cap Index, while FSKAX is a Large Cap Blend Equities fund managed by Fidelity. Over the past 10 years, VT returned 13.03%/yr vs 14.99%/yr for FSKAX. With a 0.96 correlation, they move nearly in lockstep. VT charges 0.06%/yr vs 0.01%/yr for FSKAX.

Performance

VT vs. FSKAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Total World Stock ETF (VT) and Fidelity Total Market Index Fund (FSKAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VT achieves a 12.78% return, which is significantly higher than FSKAX's 9.75% return. Over the past 10 years, VT has underperformed FSKAX with an annualized return of 13.03%, while FSKAX has yielded a comparatively higher 14.99% annualized return.

VT

• 1D: 1.55%
• 1M: 3.39%
• YTD: 12.78%
• 6M: 13.56%
• 1Y: 29.41%
• 3Y*: 19.92%
• 5Y*: 11.15%
• 10Y*: 13.03%

FSKAX

• 1D: 0.51%
• 1M: 1.05%
• YTD: 9.75%
• 6M: 10.07%
• 1Y: 26.33%
• 3Y*: 20.67%
• 5Y*: 12.24%
• 10Y*: 14.99%

*Multi-year figures are annualized to reflect compound growth (CAGR)

VT vs. FSKAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VT Vanguard Total World Stock ETF	12.78%	22.43%	16.49%	22.02%	-18.00%	18.27%	16.59%	26.81%	-9.76%	24.50%
FSKAX Fidelity Total Market Index Fund	9.75%	17.06%	23.89%	26.12%	-19.53%	25.66%	20.79%	30.92%	-5.32%	20.85%

Correlation

The correlation between VT and FSKAX is 0.96 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.96
Correlation (3Y) Calculated over the trailing 3-year period	0.96
Correlation (5Y) Calculated over the trailing 5-year period	0.96
Correlation (10Y) Calculated over the trailing 10-year period	0.96
Correlation (All Time) Calculated using the full available price history since Sep 8, 2011	0.96

The correlation between VT and FSKAX has been stable across timeframes, ranging from 0.96 to 0.96 - a consistent structural relationship.

Return for Risk

VT vs. FSKAX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

VT

VT Risk / Return Rank: 75
VT Sharpe Ratio Rank: 78
VT Sortino Ratio Rank: 76
VT Omega Ratio Rank: 77
VT Calmar Ratio Rank: 67
VT Martin Ratio Rank: 77

FSKAX

FSKAX Risk / Return Rank: 64
FSKAX Sharpe Ratio Rank: 61
FSKAX Sortino Ratio Rank: 56
FSKAX Omega Ratio Rank: 57
FSKAX Calmar Ratio Rank: 68
FSKAX Martin Ratio Rank: 78

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

VT vs. FSKAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Total World Stock ETF (VT) and Fidelity Total Market Index Fund (FSKAX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	VT	FSKAX	Difference
Sharpe ratio: Return per unit of total volatility	2.21	1.95	+0.26
Sortino ratio: Return per unit of downside risk	3.02	2.65	+0.37
Omega ratio: Gain probability vs. loss probability	1.40	1.35	+0.05
Calmar ratio: Return relative to maximum drawdown	3.05	2.80	+0.26
Martin ratio: Return relative to average drawdown	13.29	12.51	+0.78

VT vs. FSKAX - Sharpe Ratio Comparison

The current VT Sharpe Ratio is 2.21, which is comparable to the FSKAX Sharpe Ratio of 1.95. The chart below compares the historical Sharpe Ratios of VT and FSKAX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

VT vs. FSKAX - Drawdown Comparison

The maximum VT drawdown since its inception was -50.27%, which is greater than FSKAX's maximum drawdown of -35.01%. Use the drawdown chart below to compare losses from any high point for VT and FSKAX.

Drawdown Indicators

	VT	FSKAX	Difference
Max Drawdown Largest peak-to-trough decline	-50.27%	-35.01%	-15.26%
Max Drawdown (1Y) Largest decline over 1 year	-9.67%	-8.92%	-0.75%
Max Drawdown (3Y) Largest decline over 3 years	-16.51%	-19.43%	+2.92%
Max Drawdown (5Y) Largest decline over 5 years	-26.38%	-25.39%	-0.99%
Max Drawdown (10Y) Largest decline over 10 years	-34.24%	-35.01%	+0.77%
Current Drawdown Current decline from peak	-0.40%	-2.08%	+1.68%
Average Drawdown Average peak-to-trough decline	-7.01%	-4.01%	-3.00%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.22%	1.99%	+0.23%

Volatility

VT vs. FSKAX - Volatility Comparison

Vanguard Total World Stock ETF (VT) has a higher volatility of 5.46% compared to Fidelity Total Market Index Fund (FSKAX) at 4.64%. This indicates that VT's price experiences larger fluctuations and is considered to be riskier than FSKAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VT	FSKAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.46%	4.64%	+0.82%
Volatility (6M) Calculated over the trailing 6-month period	11.11%	9.97%	+1.14%
Volatility (1Y) Calculated over the trailing 1-year period	13.41%	12.79%	+0.62%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.17%	17.48%	-1.31%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.28%	18.49%	-1.21%

VT vs. FSKAX - Expense Ratio Comparison

VT has a 0.06% expense ratio, which is higher than FSKAX's 0.02% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

VT vs. FSKAX - Dividend Comparison

VT's dividend yield for the trailing twelve months is around 1.58%, more than FSKAX's 0.95% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSKAX Fidelity Total Market Index Fund	0.95%	1.01%	1.19%	1.41%	1.62%	1.15%	1.45%	1.94%	2.54%	2.07%	2.43%	0.82%
VT Vanguard Total World Stock ETF	1.58%	1.82%	1.95%	2.08%	2.20%	1.82%	1.66%	2.32%	2.53%	2.11%	2.39%	2.45%

Frequently Asked Questions

Can I hold both VT and FSKAX in my portfolio?

With a correlation of 0.96, VT and FSKAX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, VT or FSKAX?

VT has higher volatility (5.46%) compared to FSKAX (4.64%). In terms of maximum drawdown, VT dropped -50.27% vs FSKAX's -35.01%.

Which has better risk-adjusted returns?

VT currently has the higher Sharpe Ratio (2.21 vs 1.95), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.