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VWOB vs. VSIAX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

Performance

VWOB vs. VSIAX - Performance Comparison

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

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Returns By Period

In the year-to-date period, VWOB achieves a 1.79% return, which is significantly lower than VSIAX's 11.64% return. Over the past 10 years, VWOB has underperformed VSIAX with an annualized return of 3.53%, while VSIAX has yielded a comparatively higher 10.52% annualized return.


VWOB

1D
0.24%
1M
0.94%
YTD
1.79%
6M
1.96%
1Y
10.67%
3Y*
9.30%
5Y*
2.13%
10Y*
3.53%

VSIAX

1D
-0.37%
1M
1.33%
YTD
11.64%
6M
11.86%
1Y
26.38%
3Y*
16.45%
5Y*
7.96%
10Y*
10.52%
*Multi-year figures are annualized to reflect compound growth (CAGR)

VWOB vs. VSIAX - Yearly Performance Comparison


2026 (YTD)202520242023202220212020201920182017
VWOB
Vanguard Emerging Markets Government Bond ETF
1.79%13.49%5.20%10.68%-17.39%-1.80%5.65%14.46%-2.92%8.41%
VSIAX
Vanguard Small-Cap Value Index Fund Admiral Shares
11.64%9.09%11.34%17.06%-9.31%28.10%5.80%22.76%-12.24%11.80%

Correlation

The correlation between VWOB and VSIAX is 0.49, which is low. Their price movements are largely independent, making them effective diversification partners.


Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.49

Correlation (3Y)
Calculated over the trailing 3-year period

0.49

Correlation (5Y)
Calculated over the trailing 5-year period

0.47

Correlation (10Y)
Calculated over the trailing 10-year period

0.40

Correlation (All Time)
Calculated using the full available price history since Jun 5, 2013

0.38

The correlation between VWOB and VSIAX shifts across timeframes, from 0.38 (all time) to 0.49 (3 years), reflecting how their relationship changes across market environments.

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Return for Risk

VWOB vs. VSIAX — Risk / Return Rank

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

VWOB
VWOB Risk / Return Rank: 6161
Overall Rank
VWOB Sharpe Ratio Rank: 6464
Sharpe Ratio Rank
VWOB Sortino Ratio Rank: 6767
Sortino Ratio Rank
VWOB Omega Ratio Rank: 6868
Omega Ratio Rank
VWOB Calmar Ratio Rank: 4949
Calmar Ratio Rank
VWOB Martin Ratio Rank: 5858
Martin Ratio Rank

VSIAX
VSIAX Risk / Return Rank: 4242
Overall Rank
VSIAX Sharpe Ratio Rank: 3535
Sharpe Ratio Rank
VSIAX Sortino Ratio Rank: 3636
Sortino Ratio Rank
VSIAX Omega Ratio Rank: 3232
Omega Ratio Rank
VSIAX Calmar Ratio Rank: 5858
Calmar Ratio Rank
VSIAX Martin Ratio Rank: 5050
Martin Ratio Rank
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.

VWOB vs. VSIAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Emerging Markets Government Bond ETF (VWOB) 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.


VWOBVSIAXDifference
Sharpe ratioReturn per unit of total volatility

+0.38

Sortino ratioReturn per unit of downside risk

+0.51

Omega ratioGain probability vs. loss probability

1.40

1.30

+0.11

Calmar ratioReturn relative to maximum drawdown

2.39

2.92

-0.53

Martin ratioReturn relative to average drawdown

10.11

10.34

-0.23

VWOB vs. VSIAX - Sharpe Ratio Comparison

The current VWOB Sharpe Ratio is 2.09, which is comparable to the VSIAX Sharpe Ratio of 1.71. The chart below compares the historical Sharpe Ratios of VWOB 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.


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Sharpe Ratios by Period


VWOBVSIAXDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.09

1.71

+0.38

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.23

0.40

-0.17

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.38

0.47

-0.09

Sharpe Ratio (All Time)

Calculated using the full available price history

0.42

0.59

-0.17

Drawdowns

VWOB vs. VSIAX - Drawdown Comparison

The maximum VWOB drawdown since its inception was -26.98%, smaller than the maximum VSIAX drawdown of -45.39%. Use the drawdown chart below to compare losses from any high point for VWOB and VSIAX.


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Drawdown Indicators


VWOBVSIAXDifference

Max Drawdown

Largest peak-to-trough decline

-26.98%

-45.39%

+18.41%

Max Drawdown (1Y)

Largest decline over 1 year

-4.48%

-8.87%

+4.39%

Max Drawdown (3Y)

Largest decline over 3 years

-7.71%

-24.09%

+16.38%

Max Drawdown (5Y)

Largest decline over 5 years

-26.98%

-24.09%

-2.89%

Max Drawdown (10Y)

Largest decline over 10 years

-26.98%

-45.39%

+18.41%

Current Drawdown

Current decline from peak

-0.12%

-0.37%

+0.25%

Average Drawdown

Average peak-to-trough decline

-4.78%

-5.49%

+0.71%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.06%

2.50%

-1.44%

Volatility

VWOB vs. VSIAX - Volatility Comparison

The current volatility for Vanguard Emerging Markets Government Bond ETF (VWOB) is 1.69%, while Vanguard Small-Cap Value Index Fund Admiral Shares (VSIAX) has a volatility of 3.97%. This indicates that VWOB experiences smaller price fluctuations and is considered to be less risky than VSIAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


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Volatility by Period


VWOBVSIAXDifference

Volatility (1M)

Calculated over the trailing 1-month period

1.69%

3.97%

-2.28%

Volatility (6M)

Calculated over the trailing 6-month period

4.16%

10.43%

-6.27%

Volatility (1Y)

Calculated over the trailing 1-year period

5.15%

15.19%

-10.04%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

9.18%

19.77%

-10.59%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

9.34%

22.45%

-13.11%

VWOB vs. VSIAX - Expense Ratio Comparison

VWOB has a 0.20% expense ratio, which is higher than VSIAX's 0.07% 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

VWOB vs. VSIAX - Dividend Comparison

VWOB's dividend yield for the trailing twelve months is around 5.83%, more than VSIAX's 1.76% yield.


PositionTTM20252024202320222021202020192018201720162015
VSIAX
Vanguard Small-Cap Value Index Fund Admiral Shares
1.76%1.95%1.98%2.10%2.03%1.75%1.68%2.06%2.35%1.79%1.77%1.99%
VWOB
Vanguard Emerging Markets Government Bond ETF
5.83%5.92%6.08%5.50%5.30%4.04%4.18%4.58%4.52%4.61%4.71%4.93%

Frequently Asked Questions


VWOB and VSIAX have a correlation of 0.49, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

VSIAX has higher volatility (3.97%) compared to VWOB (1.69%). In terms of maximum drawdown, VWOB dropped -26.98% vs VSIAX's -45.39%.

VWOB currently has the higher Sharpe Ratio (2.09 vs 1.71), 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.

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