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ISIN
US92206C7719
CUSIP
92206C771
Issuer
Vanguard
Inception Date
Nov 19, 2009
Region
North America (U.S.)
Leveraged
1x (No leverage)
Index Tracked
Barclays Capital U.S. MBS Index
Distribution Policy
Distributing
Asset Class
Bond
Assets Under Management
$17B

Share Price Chart


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Performance

VMBS Performance Chart

Vanguard Mortgage-Backed Securities ETF (VMBS) is up 0.8% since the beginning of the year. VMBS is currently trading at $47 per share. Investors who bought $1,000 worth of VMBS shares 5 years ago would now be looking at an investment worth $1,029.


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S&P 500 Index

Returns By Period

Vanguard Mortgage-Backed Securities ETF (VMBS) has returned 0.83% so far this year and 6.16% over the past 12 months. Over the last ten years, VMBS has returned 1.34% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.


Vanguard Mortgage-Backed Securities ETF

1D
-0.17%
1M
0.54%
YTD
0.83%
6M
0.94%
1Y
6.16%
3Y*
4.49%
5Y*
0.57%
10Y*
1.34%

Benchmark (S&P 500 Index)

1D
-0.37%
1M
-0.01%
YTD
9.16%
6M
8.64%
1Y
25.22%
3Y*
19.78%
5Y*
11.99%
10Y*
13.88%
*Multi-year figures are annualized to reflect compound growth (CAGR)

VMBS Monthly Returns History

Based on dividend-adjusted daily data since Nov 23, 2009, VMBS's average daily return is +0.01%, while the average monthly return is +0.18%. At this rate, an investment would double in approximately 32.1 years.

Historically, 60% of months were positive and 41% were negative. The best month was Nov 2023 with a return of +5.3%, while the worst month was Sep 2022 at -5.0%. The longest winning streak lasted 12 consecutive months, and the longest losing streak was 9 months.

On a daily basis, VMBS closed higher 51% of trading days. The best single day was Mar 24, 2020 with a return of +2.9%, while the worst single day was Mar 12, 2020 at -3.2%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.34%1.67%-1.57%0.26%0.34%-0.19%0.83%
20250.57%2.31%-0.05%0.38%-0.83%1.67%-0.32%1.64%1.09%0.75%0.69%0.19%8.36%
2024-0.37%-1.53%0.92%-2.74%2.04%1.29%2.48%1.30%1.17%-2.67%1.54%-1.55%1.70%
20233.45%-2.57%1.97%0.51%-0.73%-0.21%-0.14%-0.85%-3.03%-2.23%5.32%4.13%5.34%
2022-1.48%-1.08%-2.47%-3.59%0.91%-1.46%3.19%-3.22%-5.00%-1.42%4.17%-0.76%-11.90%
20210.07%-0.62%-0.58%0.60%-0.31%-0.09%0.52%-0.06%-0.33%-0.26%-0.04%-0.18%-1.28%

Benchmark Metrics

Vanguard Mortgage-Backed Securities ETF has an annualized alpha of 1.96%, beta of 0.02, and R2 of 0.01 versus S&P 500 Index. Calculated based on daily prices since November 23, 2009.

  • This ETF participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (9.53%) than losses (7.46%) - typical of diversified or defensive assets.
  • Beta of 0.02 may look defensive, but with R2 of 0.01 this ETF is largely uncorrelated with S&P 500 Index - low beta reflects independence, not downside protection. See the Volatility section for a true picture of this ETF's risk.
  • R2 of 0.01 means this ETF moves largely independently of S&P 500 Index - capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.

Alpha
1.96%
Beta
0.02
0.01
Upside Capture
9.53%
Downside Capture
7.46%

Expense Ratio

VMBS has an expense ratio of 0.04%, which is considered low.


Return for Risk

Risk / Return Rank

VMBS ranks 44 for risk / return — on par with similar ETFs. You're getting a typical balance of risk and reward. Not a standout, but not a red flag either — a reasonable choice if other factors align with your goals.


VMBS Risk / Return Rank: 4444
Overall Rank
VMBS Sharpe Ratio Rank: 4242
Sharpe Ratio Rank
VMBS Sortino Ratio Rank: 4343
Sortino Ratio Rank
VMBS Omega Ratio Rank: 4141
Omega Ratio Rank
VMBS Calmar Ratio Rank: 4848
Calmar Ratio Rank
VMBS Martin Ratio Rank: 4545
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.

Return / Risk — by metrics

The table below present risk-adjusted performance metrics for Vanguard Mortgage-Backed Securities ETF (VMBS) and compare them to S&P 500 Index.

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.


VMBSBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

-0.59

Sortino ratioReturn per unit of downside risk

-0.62

Omega ratioGain probability vs. loss probability

1.26

1.37

-0.11

Calmar ratioReturn relative to maximum drawdown

2.30

2.78

-0.48

Martin ratioReturn relative to average drawdown

7.33

12.44

-5.10

Dividends

Dividend History

Vanguard Mortgage-Backed Securities ETF provided a 4.18% dividend yield over the last twelve months, with an annual payout of $1.95 per share. The fund has been increasing its distributions for 4 consecutive years.


1.00%1.50%2.00%2.50%3.00%3.50%4.00%4.50%$0.00$0.50$1.00$1.50$2.0020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$1.95$1.98$1.79$1.53$1.07$0.54$1.09$1.47$1.40$1.13$1.10$1.12

Dividend yield

4.18%4.20%3.94%3.31%2.35%1.02%2.01%2.77%2.72%2.16%2.10%2.12%

Monthly Dividends

The table displays the monthly dividend distributions for Vanguard Mortgage-Backed Securities ETF. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.00$0.16$0.16$0.16$0.16$0.16$0.81
2025$0.00$0.16$0.16$0.16$0.20$0.16$0.16$0.16$0.17$0.15$0.17$0.32$1.98
2024$0.00$0.14$0.15$0.15$0.15$0.15$0.15$0.15$0.15$0.15$0.15$0.30$1.79
2023$0.00$0.11$0.12$0.12$0.12$0.13$0.13$0.13$0.13$0.14$0.13$0.28$1.53
2022$0.00$0.06$0.07$0.07$0.07$0.08$0.09$0.10$0.10$0.10$0.10$0.22$1.07
2021$0.00$0.04$0.05$0.04$0.03$0.04$0.05$0.05$0.05$0.04$0.05$0.10$0.54

Drawdowns

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.


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Worst Drawdowns

The table below displays the maximum drawdowns of the Vanguard Mortgage-Backed Securities ETF. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the Vanguard Mortgage-Backed Securities ETF was 17.47%, occurring on Oct 20, 2022. Recovery took 749 trading sessions.

The current Vanguard Mortgage-Backed Securities ETF drawdown is 1.16%.


Related event

Drawdown

Fall

Recovery

Underwater

Bear market2022
-17.47%Oct 2022
1y 9mo2y 12mo
4y 9moJan 2021 - Oct 2025
COVID crash2020
-5.08%Mar 2020
8d9d
17dMar 2020 - Mar 2020
2013 pullback2013
-4.00%Sep 2013
11mo 13d5mo 29d
1y 5moSep 2012 - Mar 2014
2016 pullback2016
-3.26%Dec 2016
2mo 18d7mo 21d
10mo 9dSep 2016 - Aug 2017
2018 pullback2018
-2.81%May 2018
8mo 11d7mo 15d
1y 3moSep 2017 - Dec 2018

Drawdown Indicators


VMBSBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-17.47%

-56.78%

+39.31%

Max Drawdown (1Y)

Largest decline over 1 year

-2.68%

-9.10%

+6.42%

Max Drawdown (3Y)

Largest decline over 3 years

-7.65%

-18.90%

+11.25%

Max Drawdown (5Y)

Largest decline over 5 years

-17.12%

-25.43%

+8.31%

Max Drawdown (10Y)

Largest decline over 10 years

-17.47%

-33.92%

+16.45%

Current Drawdown

Current decline from peak

-1.16%

-1.80%

+0.64%

Average Drawdown

Average peak-to-trough decline

-2.49%

-10.71%

+8.22%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.84%

2.03%

-1.19%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Portfolio Analyzer

Build a portfolio with VMBS

Add Vanguard Mortgage-Backed Securities ETF to a portfolio and analyze allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

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