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VFIRX vs. VEMAX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

Performance

VFIRX vs. VEMAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Short-Term Treasury Fund Admiral Shares (VFIRX) and Vanguard Emerging Markets Stock Index Fund Admiral Shares (VEMAX). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, VFIRX achieves a 0.44% return, which is significantly lower than VEMAX's 12.58% return. Over the past 10 years, VFIRX has underperformed VEMAX with an annualized return of 1.71%, while VEMAX has yielded a comparatively higher 8.90% annualized return.


VFIRX

1D
0.00%
1M
0.02%
YTD
0.44%
6M
0.75%
1Y
3.37%
3Y*
4.12%
5Y*
1.51%
10Y*
1.71%

VEMAX

1D
-1.22%
1M
2.24%
YTD
12.58%
6M
13.96%
1Y
29.94%
3Y*
18.14%
5Y*
5.20%
10Y*
8.90%
*Multi-year figures are annualized to reflect compound growth (CAGR)

VFIRX vs. VEMAX - Yearly Performance Comparison


2026 (YTD)202520242023202220212020201920182017
VFIRX
Vanguard Short-Term Treasury Fund Admiral Shares
0.44%5.47%3.85%3.66%-4.61%-0.80%4.06%3.71%1.47%0.40%
VEMAX
Vanguard Emerging Markets Stock Index Fund Admiral Shares
12.58%24.76%11.34%8.82%-17.79%0.85%15.24%20.29%-14.59%31.37%

Correlation

The correlation between VFIRX and VEMAX is 0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.


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

0.09

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

0.04

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

0.03

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

-0.04

Correlation (All Time)
Calculated using the full available price history since Jun 26, 2006

-0.14

The correlation between VFIRX and VEMAX shifts across timeframes, from -0.14 (all time) to 0.09 (1 year), reflecting how their relationship changes across market environments.

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Return for Risk

VFIRX vs. VEMAX — Risk / Return Rank

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

VFIRX
VFIRX Risk / Return Rank: 4444
Overall Rank
VFIRX Sharpe Ratio Rank: 3636
Sharpe Ratio Rank
VFIRX Sortino Ratio Rank: 5252
Sortino Ratio Rank
VFIRX Omega Ratio Rank: 4646
Omega Ratio Rank
VFIRX Calmar Ratio Rank: 4545
Calmar Ratio Rank
VFIRX Martin Ratio Rank: 4040
Martin Ratio Rank

VEMAX
VEMAX Risk / Return Rank: 5252
Overall Rank
VEMAX Sharpe Ratio Rank: 5353
Sharpe Ratio Rank
VEMAX Sortino Ratio Rank: 5151
Sortino Ratio Rank
VEMAX Omega Ratio Rank: 5151
Omega Ratio Rank
VEMAX Calmar Ratio Rank: 5454
Calmar Ratio Rank
VEMAX Martin Ratio Rank: 5151
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.

VFIRX vs. VEMAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Short-Term Treasury Fund Admiral Shares (VFIRX) and Vanguard Emerging Markets Stock Index Fund Admiral Shares (VEMAX). 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.


VFIRXVEMAXDifference
Sharpe ratioReturn per unit of total volatility

-0.43

Sortino ratioReturn per unit of downside risk

+0.03

Omega ratioGain probability vs. loss probability

1.37

1.40

-0.03

Calmar ratioReturn relative to maximum drawdown

2.56

2.83

-0.26

Martin ratioReturn relative to average drawdown

8.61

10.53

-1.93

VFIRX vs. VEMAX - Sharpe Ratio Comparison

The current VFIRX Sharpe Ratio is 1.74, which is comparable to the VEMAX Sharpe Ratio of 2.17. The chart below compares the historical Sharpe Ratios of VFIRX and VEMAX, 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


VFIRXVEMAXDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

1.74

2.17

-0.43

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.57

0.34

+0.23

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.81

0.54

+0.26

Sharpe Ratio (All Time)

Calculated using the full available price history

1.16

0.29

+0.87

Drawdowns

VFIRX vs. VEMAX - Drawdown Comparison

The maximum VFIRX drawdown since its inception was -6.73%, smaller than the maximum VEMAX drawdown of -66.45%. Use the drawdown chart below to compare losses from any high point for VFIRX and VEMAX.


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Drawdown Indicators


VFIRXVEMAXDifference

Max Drawdown

Largest peak-to-trough decline

-6.73%

-66.45%

+59.72%

Max Drawdown (1Y)

Largest decline over 1 year

-1.40%

-11.05%

+9.65%

Max Drawdown (3Y)

Largest decline over 3 years

-1.40%

-15.78%

+14.38%

Max Drawdown (5Y)

Largest decline over 5 years

-6.73%

-32.55%

+25.82%

Max Drawdown (10Y)

Largest decline over 10 years

-6.73%

-36.11%

+29.38%

Current Drawdown

Current decline from peak

-0.56%

-1.22%

+0.66%

Average Drawdown

Average peak-to-trough decline

-0.71%

-16.12%

+15.41%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.42%

2.96%

-2.54%

Volatility

VFIRX vs. VEMAX - Volatility Comparison

The current volatility for Vanguard Short-Term Treasury Fund Admiral Shares (VFIRX) is 0.57%, while Vanguard Emerging Markets Stock Index Fund Admiral Shares (VEMAX) has a volatility of 5.21%. This indicates that VFIRX experiences smaller price fluctuations and is considered to be less risky than VEMAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


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Volatility by Period


VFIRXVEMAXDifference

Volatility (1M)

Calculated over the trailing 1-month period

0.57%

5.21%

-4.64%

Volatility (6M)

Calculated over the trailing 6-month period

1.50%

11.87%

-10.37%

Volatility (1Y)

Calculated over the trailing 1-year period

2.07%

14.37%

-12.30%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

2.68%

15.39%

-12.71%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

2.12%

16.46%

-14.34%

VFIRX vs. VEMAX - Expense Ratio Comparison

VFIRX has a 0.10% expense ratio, which is lower than VEMAX's 0.14% 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

VFIRX vs. VEMAX - Dividend Comparison

VFIRX's dividend yield for the trailing twelve months is around 3.85%, more than VEMAX's 2.36% yield.


PositionTTM20252024202320222021202020192018201720162015
VEMAX
Vanguard Emerging Markets Stock Index Fund Admiral Shares
2.36%2.74%3.13%3.47%4.05%2.57%1.87%3.20%2.85%2.31%2.51%3.25%
VFIRX
Vanguard Short-Term Treasury Fund Admiral Shares
3.85%3.99%4.49%4.07%2.03%0.60%2.30%2.49%2.21%1.25%1.28%0.93%

Frequently Asked Questions


VFIRX and VEMAX have a correlation of 0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

VEMAX has higher volatility (5.21%) compared to VFIRX (0.57%). In terms of maximum drawdown, VFIRX dropped -6.73% vs VEMAX's -66.45%.

VEMAX currently has the higher Sharpe Ratio (2.17 vs 1.74), 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.

Portfolio Optimizer

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