VFWSX vs. FSMDX

Last updated Jun 4, 2026

VFWSX (Vanguard FTSE All-World ex-US Index Fund Institutional Shares) and FSMDX (Fidelity Mid Cap Index Fund) are both mutual funds - VFWSX is a Foreign Large Cap Equities fund managed by Vanguard, while FSMDX is a Mid Cap Blend Equities fund managed by Fidelity. Over the past 10 years, VFWSX returned 10.06%/yr vs 11.69%/yr for FSMDX. A 0.79 correlation means they provide meaningful diversification when combined. VFWSX charges 0.08%/yr vs 0.03%/yr for FSMDX.

Performance

VFWSX vs. FSMDX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard FTSE All-World ex-US Index Fund Institutional Shares (VFWSX) and Fidelity Mid Cap Index Fund (FSMDX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VFWSX achieves a 15.78% return, which is significantly higher than FSMDX's 12.78% return. Over the past 10 years, VFWSX has underperformed FSMDX with an annualized return of 10.06%, while FSMDX has yielded a comparatively higher 11.69% annualized return.

VFWSX

• 1D: 0.66%
• 1M: 5.91%
• YTD: 15.78%
• 6M: 18.57%
• 1Y: 33.79%
• 3Y*: 20.08%
• 5Y*: 9.08%
• 10Y*: 10.06%

FSMDX

• 1D: 0.70%
• 1M: 4.12%
• YTD: 12.78%
• 6M: 12.57%
• 1Y: 22.14%
• 3Y*: 17.58%
• 5Y*: 8.41%
• 10Y*: 11.69%

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

VFWSX vs. FSMDX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VFWSX Vanguard FTSE All-World ex-US Index Fund Institutional Shares	15.78%	32.38%	5.45%	15.59%	-15.48%	8.11%	11.37%	21.58%	-13.97%	27.24%
FSMDX Fidelity Mid Cap Index Fund	12.78%	10.58%	15.55%	17.20%	-17.27%	22.56%	17.13%	30.53%	-9.38%	18.04%

Correlation

The correlation between VFWSX and FSMDX is 0.71, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.71
Correlation (3Y) Calculated over the trailing 3-year period	0.73
Correlation (5Y) Calculated over the trailing 5-year period	0.77
Correlation (10Y) Calculated over the trailing 10-year period	0.77
Correlation (All Time) Calculated using the full available price history since Sep 12, 2011	0.79

The correlation between VFWSX and FSMDX has been stable across timeframes, ranging from 0.71 to 0.79 - a consistent structural relationship.

Return for Risk

VFWSX vs. FSMDX — Risk / Return Rank

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

VFWSX

VFWSX Risk / Return Rank: 59
VFWSX Sharpe Ratio Rank: 62
VFWSX Sortino Ratio Rank: 55
VFWSX Omega Ratio Rank: 59
VFWSX Calmar Ratio Rank: 59
VFWSX Martin Ratio Rank: 58

FSMDX

FSMDX Risk / Return Rank: 43
FSMDX Sharpe Ratio Rank: 37
FSMDX Sortino Ratio Rank: 36
FSMDX Omega Ratio Rank: 33
FSMDX Calmar Ratio Rank: 56
FSMDX Martin Ratio Rank: 55

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.

VFWSX vs. FSMDX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard FTSE All-World ex-US Index Fund Institutional Shares (VFWSX) and Fidelity Mid Cap Index Fund (FSMDX). 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.

	VFWSX	FSMDX	Difference
Sharpe ratio: Return per unit of total volatility	2.32	1.75	+0.57
Sortino ratio: Return per unit of downside risk	3.15	2.51	+0.64
Omega ratio: Gain probability vs. loss probability	1.43	1.30	+0.12
Calmar ratio: Return relative to maximum drawdown	2.94	2.87	+0.07
Martin ratio: Return relative to average drawdown	11.55	11.06	+0.49
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VFWSX vs. FSMDX - Sharpe Ratio Comparison

The current VFWSX Sharpe Ratio is 2.32, which is higher than the FSMDX Sharpe Ratio of 1.75. The chart below compares the historical Sharpe Ratios of VFWSX and FSMDX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	VFWSX	FSMDX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.32	1.75	+0.57
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.60	0.46	+0.14
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.63	0.61	+0.02
Sharpe Ratio (All Time) Calculated using the full available price history	0.28	0.70	-0.42

Drawdowns

VFWSX vs. FSMDX - Drawdown Comparison

The maximum VFWSX drawdown since its inception was -61.60%, which is greater than FSMDX's maximum drawdown of -40.35%. Use the drawdown chart below to compare losses from any high point for VFWSX and FSMDX.

Drawdown Indicators

	VFWSX	FSMDX	Difference
Max Drawdown Largest peak-to-trough decline	-61.60%	-40.35%	-21.25%
Max Drawdown (1Y) Largest decline over 1 year	-11.34%	-8.16%	-3.18%
Max Drawdown (3Y) Largest decline over 3 years	-13.26%	-20.92%	+7.66%
Max Drawdown (5Y) Largest decline over 5 years	-29.37%	-26.07%	-3.30%
Max Drawdown (10Y) Largest decline over 10 years	-34.87%	-40.35%	+5.48%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-13.25%	-4.96%	-8.29%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.88%	2.11%	+0.77%

Volatility

VFWSX vs. FSMDX - Volatility Comparison

Vanguard FTSE All-World ex-US Index Fund Institutional Shares (VFWSX) has a higher volatility of 4.89% compared to Fidelity Mid Cap Index Fund (FSMDX) at 3.31%. This indicates that VFWSX's price experiences larger fluctuations and is considered to be riskier than FSMDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VFWSX	FSMDX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.89%	3.31%	+1.58%
Volatility (6M) Calculated over the trailing 6-month period	12.06%	9.93%	+2.13%
Volatility (1Y) Calculated over the trailing 1-year period	14.41%	13.42%	+0.99%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.18%	18.26%	-3.08%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.08%	19.32%	-3.24%

VFWSX vs. FSMDX - Expense Ratio Comparison

VFWSX has a 0.08% expense ratio, which is higher than FSMDX's 0.03% 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

VFWSX vs. FSMDX - Dividend Comparison

VFWSX's dividend yield for the trailing twelve months is around 2.57%, more than FSMDX's 0.98% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSMDX Fidelity Mid Cap Index Fund	0.98%	1.10%	2.46%	1.39%	2.07%	3.35%	2.34%	2.86%	2.21%	2.17%	2.23%	2.84%
VFWSX Vanguard FTSE All-World ex-US Index Fund Institutional Shares	2.57%	3.08%	3.23%	3.31%	3.10%	3.06%	1.99%	3.10%	3.28%	2.67%	2.97%	2.97%

Frequently Asked Questions

Can I hold both VFWSX and FSMDX in my portfolio?

VFWSX and FSMDX have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VFWSX or FSMDX?

VFWSX has higher volatility (4.89%) compared to FSMDX (3.31%). In terms of maximum drawdown, VFWSX dropped -61.60% vs FSMDX's -40.35%.

Which has better risk-adjusted returns?

VFWSX currently has the higher Sharpe Ratio (2.32 vs 1.75), 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.