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Performance Comparison
Comparison Box

Portfolio Performance Comparison
Name YTD Return 1Yr AR 3Yr AR 5Yr AR 10Yr AR 15Yr AR 20Yr AR Inception
VMBIX (VANGUARD MORTGAGE-BACKED SECURITIES INDEX FUND INSTITUTIONAL SHARES) 3.47% 4.36% 1.67% -0.73% 1.08% 1.65% NA 1.89%
Data as of 07/25/2025, AR inception is 11/24/2009
More Performance Analytics Comparison
Name Start Date End Date
VMBIX (VANGUARD MORTGAGE-BACKED SECURITIES INDEX FUND INSTITUTIONAL SHARES) 11/24/2009 07/25/2025
Last 1 Week 1 Yr 3 Yr 5 Yr 10 Yr 15 Yr 20 Yr Inception YTD 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009
Annualized Return (%) 0.28 4.36 1.67 -0.73 1.08 1.65 NA 1.89 3.47 1.46 4.98 -11.56 -1.30 3.56 6.18 0.88 2.38 1.34 1.44 5.85 -1.43 2.41 6.04 5.40 -1.23
Sharpe Ratio NA 0.23 -0.23 -0.45 -0.07 NA NA 0.22 0.62 -0.37 0.16 -1.56 -0.69 1.19 2.49 -0.21 0.76 0.55 0.59 2.50 -0.44 1.64 2.29 2.15 -5.27
Standard Deviation(%) NA 5.17 7.32 6.21 4.70 NA NA 4.05 5.21 5.89 8.32 8.35 1.91 2.76 1.89 2.45 2.27 2.06 2.39 2.33 3.31 1.45 2.63 2.48 2.24
Draw Down(%) NA 4.90 11.08 17.47 17.47 NA NA 17.47 2.58 4.01 8.72 16.17 1.91 2.52 0.66 2.39 1.40 3.27 1.42 0.85 3.68 0.91 1.30 2.23 1.43
Yield(%) 0.00 3.82 3.28 2.26 2.36 2.01 1.56 2.08 1.86 3.88 3.34 2.02 0.99 1.84 2.85 2.69 2.18 1.98 2.02 1.98 0.17 0.97 0.00 0.00 0.00
Data as of 07/25/2025, AR inception is 11/24/2009
Performance Comparison Chart
Annualized Rolling Returns Comparison (Minimum)
Ticker/Portfolio Name 3 Year 5 Year 10 Year 15 Year
VMBIX (VANGUARD MORTGAGE-BACKED SECURITIES INDEX FUND INSTITUTIONAL SHARES) -5.76%
Oct 2020 - Oct 2023
-1.36%
Oct 2017 - Oct 2022
0.20%
Oct 2013 - Oct 2023
1.70%
Jan 2010 - Jan 2025
Annualized Rolling Returns Comparison (Maximum)
Ticker/Portfolio Name 3 Year 5 Year 10 Year 15 Year
VMBIX (VANGUARD MORTGAGE-BACKED SECURITIES INDEX FUND INSTITUTIONAL SHARES) 4.61%
Dec 2009 - Dec 2012
3.62%
Dec 2009 - Dec 2014
3.19%
Mar 2010 - Mar 2020
1.86%
Feb 2010 - Feb 2025
Annualized Rolling Returns Comparison Chart