VXF vs. VSIAX

Last updated Jun 26, 2026

VXF (Vanguard Extended Market ETF) and VSIAX (Vanguard Small-Cap Value Index Fund Admiral Shares) are both funds - VXF is a Mid Cap Blend Equities fund tracking the S&P Completion Index, while VSIAX is a Small Cap Value Equities fund tracking the CRSP US Small Cap Value Index. Both are passively managed. Over the past 10 years, VXF returned 12.99%/yr vs 11.10%/yr for VSIAX. Their correlation of 0.93 suggests significant overlap in exposure. VXF charges 0.05%/yr vs 0.07%/yr for VSIAX.

Performance

VXF vs. VSIAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Extended Market ETF (VXF) and Vanguard Small-Cap Value Index Fund Admiral Shares (VSIAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VXF achieves a 15.63% return, which is significantly higher than VSIAX's 14.13% return. Over the past 10 years, VXF has outperformed VSIAX with an annualized return of 12.99%, while VSIAX has yielded a comparatively lower 11.10% annualized return.

VXF

• 1D: 0.54%
• 1M: 2.77%
• YTD: 15.63%
• 6M: 13.10%
• 1Y: 28.85%
• 3Y*: 20.23%
• 5Y*: 6.09%
• 10Y*: 12.99%

VSIAX

• 1D: 0.79%
• 1M: 2.21%
• YTD: 14.13%
• 6M: 12.24%
• 1Y: 27.20%
• 3Y*: 17.18%
• 5Y*: 8.61%
• 10Y*: 11.10%

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

VXF vs. VSIAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VXF Vanguard Extended Market ETF	15.63%	11.40%	16.89%	25.51%	-26.52%	12.31%	32.45%	27.96%	-9.34%	18.06%
VSIAX Vanguard Small-Cap Value Index Fund Admiral Shares	14.13%	9.09%	11.34%	17.06%	-9.31%	28.10%	5.80%	22.76%	-12.24%	11.80%

Correlation

The correlation between VXF and VSIAX is 0.88, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.88
Correlation (3Y) Calculated over the trailing 3-year period	0.92
Correlation (5Y) Calculated over the trailing 5-year period	0.92
Correlation (10Y) Calculated over the trailing 10-year period	0.91
Correlation (All Time) Calculated using the full available price history since Sep 27, 2011	0.93

The correlation between VXF and VSIAX has been stable across timeframes, ranging from 0.88 to 0.93 - a consistent structural relationship.

VXF vs. VSIAX - Sectors Allocation Comparison

Sectors	VXF	VSIAX
Technology	22.8%	12.1%
Industrials	19.3%	17.4%
Financial Services	14.0%	17.5%
Healthcare	12.9%	8.3%
Consumer Cyclical	9.2%	12.5%
Real Estate	5.8%	10.5%
Energy	4.4%	4.3%
Basic Materials	4.2%	6.0%
Communication Services	3.2%	2.8%
Consumer Defensive	2.5%	4.0%
Utilities	1.9%	4.6%

Return for Risk

VXF vs. VSIAX — Risk / Return Rank

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

VXF

VXF Risk / Return Rank: 58
VXF Sharpe Ratio Rank: 56
VXF Sortino Ratio Rank: 55
VXF Omega Ratio Rank: 51
VXF Calmar Ratio Rank: 66
VXF Martin Ratio Rank: 64

VSIAX

VSIAX Risk / Return Rank: 56
VSIAX Sharpe Ratio Rank: 47
VSIAX Sortino Ratio Rank: 52
VSIAX Omega Ratio Rank: 43
VSIAX Calmar Ratio Rank: 75
VSIAX Martin Ratio Rank: 62

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.

VXF vs. VSIAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Extended Market ETF (VXF) and Vanguard Small-Cap Value Index Fund Admiral Shares (VSIAX). 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.

	VXF	VSIAX	Difference
Sharpe ratio: Return per unit of total volatility	1.63	1.71	-0.08
Sortino ratio: Return per unit of downside risk	2.29	2.53	-0.24
Omega ratio: Gain probability vs. loss probability	1.28	1.30	-0.02
Calmar ratio: Return relative to maximum drawdown	2.84	2.95	-0.11
Martin ratio: Return relative to average drawdown	9.98	10.46	-0.48

VXF vs. VSIAX - Sharpe Ratio Comparison

The current VXF Sharpe Ratio is 1.63, which is comparable to the VSIAX Sharpe Ratio of 1.71. The chart below compares the historical Sharpe Ratios of VXF and VSIAX, 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

VXF vs. VSIAX - Drawdown Comparison

The maximum VXF drawdown since its inception was -58.03%, which is greater than VSIAX's maximum drawdown of -45.39%. Use the drawdown chart below to compare losses from any high point for VXF and VSIAX.

Drawdown Indicators

	VXF	VSIAX	Difference
Max Drawdown Largest peak-to-trough decline	-58.03%	-45.39%	-12.64%
Max Drawdown (1Y) Largest decline over 1 year	-10.21%	-8.87%	-1.34%
Max Drawdown (3Y) Largest decline over 3 years	-26.92%	-24.09%	-2.83%
Max Drawdown (5Y) Largest decline over 5 years	-36.39%	-24.09%	-12.30%
Max Drawdown (10Y) Largest decline over 10 years	-41.72%	-45.39%	+3.67%
Current Drawdown Current decline from peak	-0.12%	-0.41%	+0.29%
Average Drawdown Average peak-to-trough decline	-9.53%	-5.47%	-4.06%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.90%	2.50%	+0.40%

Volatility

VXF vs. VSIAX - Volatility Comparison

Vanguard Extended Market ETF (VXF) has a higher volatility of 5.97% compared to Vanguard Small-Cap Value Index Fund Admiral Shares (VSIAX) at 4.03%. This indicates that VXF's price experiences larger fluctuations and is considered to be riskier than VSIAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VXF	VSIAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.97%	4.03%	+1.94%
Volatility (6M) Calculated over the trailing 6-month period	13.20%	10.68%	+2.52%
Volatility (1Y) Calculated over the trailing 1-year period	17.77%	15.31%	+2.46%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.43%	19.73%	+2.70%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.30%	22.43%	-0.13%

VXF vs. VSIAX - Expense Ratio Comparison

VXF has a 0.05% expense ratio, which is lower than VSIAX's 0.07% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

VXF vs. VSIAX - Dividend Comparison

VXF's dividend yield for the trailing twelve months is around 1.24%, less than VSIAX's 1.72% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
VSIAX Vanguard Small-Cap Value Index Fund Admiral Shares	1.72%	1.95%	1.98%	2.10%	2.03%	1.75%	1.68%	2.06%	2.35%	1.79%	1.77%	1.99%
VXF Vanguard Extended Market ETF	1.24%	1.14%	1.09%	1.27%	1.15%	1.13%	1.07%	1.30%	1.66%	1.25%	1.43%	1.35%

Frequently Asked Questions

Can I hold both VXF and VSIAX in my portfolio?

VXF and VSIAX have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VXF or VSIAX?

VXF has higher volatility (5.97%) compared to VSIAX (4.03%). In terms of maximum drawdown, VXF dropped -58.03% vs VSIAX's -45.39%.

Which has better risk-adjusted returns?

VSIAX currently has the higher Sharpe Ratio (1.71 vs 1.63), 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.