PortfoliosLab logoPortfoliosLab logo
VMBSX vs. VITAX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

Performance

VMBSX vs. VITAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Mortgage-Backed Securities Index Fund Admiral Shares (VMBSX) and Vanguard Information Technology Index Fund Admiral Shares (VITAX). The values are adjusted to include any dividend payments, if applicable.

Loading charts...

Returns By Period

In the year-to-date period, VMBSX achieves a 0.81% return, which is significantly lower than VITAX's 33.66% return. Over the past 10 years, VMBSX has underperformed VITAX with an annualized return of 1.87%, while VITAX has yielded a comparatively higher 25.97% annualized return.


VMBSX

1D
0.00%
1M
0.46%
YTD
0.81%
6M
0.99%
1Y
6.98%
3Y*
4.69%
5Y*
0.55%
10Y*
1.87%

VITAX

1D
1.27%
1M
19.87%
YTD
33.66%
6M
32.51%
1Y
62.61%
3Y*
34.15%
5Y*
23.05%
10Y*
25.97%
*Multi-year figures are annualized to reflect compound growth (CAGR)

VMBSX vs. VITAX - Yearly Performance Comparison


2026 (YTD)202520242023202220212020201920182017
VMBSX
Vanguard Mortgage-Backed Securities Index Fund Admiral Shares
0.81%8.43%1.76%4.99%-11.56%-1.35%3.74%11.47%0.87%2.32%
VITAX
Vanguard Information Technology Index Fund Admiral Shares
33.66%21.78%29.26%52.69%-29.67%30.36%45.93%48.72%2.51%37.07%

Correlation

The correlation between VMBSX and VITAX is 0.18, which is low. Their price movements are largely independent, making them effective diversification partners.


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

0.18

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

0.15

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

0.16

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

0.06

Correlation (All Time)
Calculated using the full available price history since Nov 24, 2009

-0.05

The correlation between VMBSX and VITAX shifts across timeframes, from -0.05 (all time) to 0.18 (1 year), reflecting how their relationship changes across market environments.

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.


Return for Risk

VMBSX vs. VITAX — Risk / Return Rank

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

VMBSX
VMBSX Risk / Return Rank: 4242
Overall Rank
VMBSX Sharpe Ratio Rank: 4040
Sharpe Ratio Rank
VMBSX Sortino Ratio Rank: 4242
Sortino Ratio Rank
VMBSX Omega Ratio Rank: 4040
Omega Ratio Rank
VMBSX Calmar Ratio Rank: 4848
Calmar Ratio Rank
VMBSX Martin Ratio Rank: 4141
Martin Ratio Rank

VITAX
VITAX Risk / Return Rank: 8181
Overall Rank
VITAX Sharpe Ratio Rank: 9393
Sharpe Ratio Rank
VITAX Sortino Ratio Rank: 8282
Sortino Ratio Rank
VITAX Omega Ratio Rank: 7878
Omega Ratio Rank
VITAX Calmar Ratio Rank: 8585
Calmar Ratio Rank
VITAX Martin Ratio Rank: 6565
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.

VMBSX vs. VITAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Mortgage-Backed Securities Index Fund Admiral Shares (VMBSX) and Vanguard Information Technology Index Fund Admiral Shares (VITAX). 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.


VMBSXVITAXDifference
Sharpe ratioReturn per unit of total volatility

-1.34

Sortino ratioReturn per unit of downside risk

-1.11

Omega ratioGain probability vs. loss probability

1.34

1.51

-0.17

Calmar ratioReturn relative to maximum drawdown

2.63

4.00

-1.37

Martin ratioReturn relative to average drawdown

8.86

12.75

-3.88

VMBSX vs. VITAX - Sharpe Ratio Comparison

The current VMBSX Sharpe Ratio is 1.84, which is lower than the VITAX Sharpe Ratio of 3.18. The chart below compares the historical Sharpe Ratios of VMBSX and VITAX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.


Loading charts...

Sharpe Ratios by Period


VMBSXVITAXDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

1.84

3.18

-1.34

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.09

0.91

-0.83

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.39

1.05

-0.66

Sharpe Ratio (All Time)

Calculated using the full available price history

0.59

0.67

-0.09

Drawdowns

VMBSX vs. VITAX - Drawdown Comparison

The maximum VMBSX drawdown since its inception was -17.44%, smaller than the maximum VITAX drawdown of -54.81%. Use the drawdown chart below to compare losses from any high point for VMBSX and VITAX.


Loading charts...

Drawdown Indicators


VMBSXVITAXDifference

Max Drawdown

Largest peak-to-trough decline

-17.44%

-54.81%

+37.37%

Max Drawdown (1Y)

Largest decline over 1 year

-2.67%

-16.38%

+13.71%

Max Drawdown (3Y)

Largest decline over 3 years

-7.53%

-27.38%

+19.85%

Max Drawdown (5Y)

Largest decline over 5 years

-17.12%

-35.10%

+17.98%

Max Drawdown (10Y)

Largest decline over 10 years

-17.44%

-35.10%

+17.66%

Current Drawdown

Current decline from peak

-1.22%

0.00%

-1.22%

Average Drawdown

Average peak-to-trough decline

-2.48%

-8.02%

+5.54%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.79%

5.13%

-4.34%

Volatility

VMBSX vs. VITAX - Volatility Comparison

The current volatility for Vanguard Mortgage-Backed Securities Index Fund Admiral Shares (VMBSX) is 1.46%, while Vanguard Information Technology Index Fund Admiral Shares (VITAX) has a volatility of 6.01%. This indicates that VMBSX experiences smaller price fluctuations and is considered to be less risky than VITAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


Loading charts...

Volatility by Period


VMBSXVITAXDifference

Volatility (1M)

Calculated over the trailing 1-month period

1.46%

6.01%

-4.55%

Volatility (6M)

Calculated over the trailing 6-month period

2.73%

16.09%

-13.36%

Volatility (1Y)

Calculated over the trailing 1-year period

3.82%

20.61%

-16.79%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

6.40%

25.39%

-18.99%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

4.86%

24.84%

-19.98%

VMBSX vs. VITAX - Expense Ratio Comparison

VMBSX has a 0.07% expense ratio, which is lower than VITAX's 0.09% 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

VMBSX vs. VITAX - Dividend Comparison

VMBSX's dividend yield for the trailing twelve months is around 4.16%, more than VITAX's 0.30% yield.


PositionTTM20252024202320222021202020192018201720162015
VITAX
Vanguard Information Technology Index Fund Admiral Shares
0.30%0.40%0.60%0.65%0.91%0.63%0.82%1.11%1.29%0.99%1.31%1.28%
VMBSX
Vanguard Mortgage-Backed Securities Index Fund Admiral Shares
4.16%4.18%4.24%3.28%2.31%0.99%2.00%7.48%2.72%2.16%1.98%2.01%

Frequently Asked Questions


VMBSX and VITAX have a correlation of 0.18, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

VITAX has higher volatility (6.01%) compared to VMBSX (1.46%). In terms of maximum drawdown, VMBSX dropped -17.44% vs VITAX's -54.81%.

VITAX currently has the higher Sharpe Ratio (3.18 vs 1.84), 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 VMBSX and VITAX

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

Open Portfolio Optimizer