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VFIIX vs. VFSTX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

Performance

VFIIX vs. VFSTX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard GNMA Fund Investor Shares (VFIIX) and Vanguard Short-Term Investment-Grade Fund Investor Shares (VFSTX). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, VFIIX achieves a 0.13% return, which is significantly lower than VFSTX's 0.49% return. Over the past 10 years, VFIIX has underperformed VFSTX with an annualized return of 1.17%, while VFSTX has yielded a comparatively higher 2.42% annualized return.


VFIIX

1D
0.00%
1M
-0.85%
6M
-0.38%
YTD
0.13%
1Y
3.20%
3Y*
4.05%
5Y*
0.30%
10Y*
1.17%
ALL TIME*
3.74%

VFSTX

1D
0.00%
1M
-0.48%
6M
0.11%
YTD
0.49%
1Y
2.70%
3Y*
5.27%
5Y*
2.18%
10Y*
2.42%
ALL TIME*
3.78%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison


PositionAvg. Volume Value (2W)Avg. Volume Value (1M)Avg. Volume Value (3M)
$0.00$0.00$0.00
$0.00$0.00$0.00

VFIIX vs. VFSTX - Yearly Performance Comparison


2026 (YTD)202520242023202220212020201920182017
VFIIX
Vanguard GNMA Fund Investor Shares
0.13%7.73%1.07%5.17%-10.81%-1.24%3.73%5.84%0.89%1.88%
VFSTX
Vanguard Short-Term Investment-Grade Fund Investor Shares
0.49%6.75%4.98%6.06%-5.84%-0.70%5.16%5.75%0.87%2.02%

Correlation

The correlation between VFIIX and VFSTX is 0.86, meaning they have usually moved in the same direction, including during past declines.


Correlation
Correlation (1Y)
Focuses on recent behavior, but can change the most.

0.86

Correlation (3Y)
Balances recent behavior with more history.

0.86

Correlation (5Y)
Shows whether the relationship held over a longer period.

0.86

Correlation (10Y)
Provides a long-term view across more market conditions.

0.79

Correlation (All Time)
Calculated using the full available price history since Oct 29, 1982

0.71

The correlation between VFIIX and VFSTX shifts across timeframes, from 0.71 (all time) to 0.86 (1 year), reflecting how their relationship changes across market environments.

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Return for Risk

VFIIX vs. VFSTX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

VFIIX
VFIIX Risk / Return Rank: 3535
Overall Rank
VFIIX Sharpe Ratio Rank: 3636
Sharpe Ratio Rank
VFIIX Sortino Ratio Rank: 3636
Sortino Ratio Rank
VFIIX Omega Ratio Rank: 3434
Omega Ratio Rank
VFIIX Calmar Ratio Rank: 3737
Calmar Ratio Rank
VFIIX Martin Ratio Rank: 3030
Martin Ratio Rank

VFSTX
VFSTX Risk / Return Rank: 7171
Overall Rank
VFSTX Sharpe Ratio Rank: 7070
Sharpe Ratio Rank
VFSTX Sortino Ratio Rank: 7979
Sortino Ratio Rank
VFSTX Omega Ratio Rank: 7878
Omega Ratio Rank
VFSTX Calmar Ratio Rank: 6767
Calmar Ratio Rank
VFSTX Martin Ratio Rank: 6363
Martin Ratio Rank
The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

VFIIX vs. VFSTX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard GNMA Fund Investor Shares (VFIIX) and Vanguard Short-Term Investment-Grade Fund Investor Shares (VFSTX). 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.


VFIIXVFSTXDifference
Sharpe ratioReturn per unit of total volatility

-0.50

Sortino ratioReturn per unit of downside risk

-1.08

Omega ratioGain probability vs. loss probability

1.19

1.34

-0.15

Calmar ratioReturn relative to maximum drawdown

1.53

2.11

-0.59

Martin ratioReturn relative to average drawdown

4.21

7.83

-3.62

VFIIX vs. VFSTX - Sharpe Ratio Comparison

The current VFIIX Sharpe Ratio is 1.10, which is lower than the VFSTX Sharpe Ratio of 1.60. The chart below compares the historical Sharpe Ratios of VFIIX and VFSTX, 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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Drawdowns

VFIIX vs. VFSTX - Drawdown Comparison

The maximum VFIIX drawdown since its inception was -25.80%, which is greater than VFSTX's maximum drawdown of -9.35%. Use the drawdown chart below to compare losses from any high point for VFIIX and VFSTX.


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Drawdown Indicators


VFIIXVFSTXDifference

Max Drawdown

Largest peak-to-trough decline

-25.80%

-9.35%

-16.45%

Max Drawdown (1Y)

Largest decline over 1 year

-2.83%

-1.71%

-1.12%

Max Drawdown (3Y)

Largest decline over 3 years

-6.02%

-1.71%

-4.31%

Max Drawdown (5Y)

Largest decline over 5 years

-15.79%

-9.35%

-6.44%

Max Drawdown (10Y)

Largest decline over 10 years

-16.20%

-9.35%

-6.85%

Current Drawdown

Current decline from peak

-2.02%

-0.58%

-1.44%

Average Drawdown

Average peak-to-trough decline

-2.97%

-1.11%

-1.86%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.03%

0.46%

+0.57%

Volatility

VFIIX vs. VFSTX - Volatility Comparison

Vanguard GNMA Fund Investor Shares (VFIIX) has a higher volatility of 1.07% compared to Vanguard Short-Term Investment-Grade Fund Investor Shares (VFSTX) at 0.48%. This indicates that VFIIX's price experiences larger fluctuations and is considered to be riskier than VFSTX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


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Volatility by Period


VFIIXVFSTXDifference

Volatility (1M)

Calculated over the trailing 1-month period

1.07%

0.48%

+0.59%

Volatility (6M)

Calculated over the trailing 6-month period

3.14%

1.75%

+1.39%

Volatility (1Y)

Calculated over the trailing 1-year period

3.94%

2.26%

+1.68%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

6.24%

2.99%

+3.25%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

4.71%

2.48%

+2.23%

VFIIX vs. VFSTX - Expense Ratio Comparison

VFIIX has a 0.21% expense ratio, which is higher than VFSTX's 0.20% 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

VFIIX vs. VFSTX - Dividend Comparison

VFIIX's dividend yield for the trailing twelve months is around 3.41%, less than VFSTX's 4.25% yield.


PositionTTM20252024202320222021202020192018201720162015
VFIIX
Vanguard GNMA Fund Investor Shares
3.41%3.62%3.58%3.23%2.34%0.63%1.87%2.76%2.90%2.64%3.01%2.84%
VFSTX
Vanguard Short-Term Investment-Grade Fund Investor Shares
4.25%4.48%4.06%3.05%1.93%1.70%2.24%2.83%2.68%2.00%2.04%1.99%

Frequently Asked Questions


VFIIX and VFSTX have a correlation of 0.86, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

VFIIX has higher volatility (1.07%) compared to VFSTX (0.48%). In terms of maximum drawdown, VFIIX dropped -25.80% vs VFSTX's -9.35%.

VFSTX currently has the higher Sharpe Ratio (1.60 vs 1.10), 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

Find the right allocation for VFIIX and VFSTX

Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

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