Fund & Portfolio Comparison

Performance Comparison
Comparison Box

Portfolio Performance Comparison
Name YTD Return 1Yr AR 3Yr AR 5Yr AR 10Yr AR 15Yr AR 20Yr AR Common Inception
VMBSX (VANGUARD MORTGAGE-BACKED SECURITIES INDEX FUND ADMIRAL SHARES) 0.54% 6.70% 4.46% 0.42% 1.43% 1.86% NA
Data as of 06/09/2026, Common starting date is 11/24/2009
More Performance Analytics Comparison
Name Start Date End Date
VMBSX (VANGUARD MORTGAGE-BACKED SECURITIES INDEX FUND ADMIRAL SHARES) 11/24/2009 06/09/2026
Last 1 Week 1 Yr 3 Yr 5 Yr 10 Yr 15 Yr 20 Yr Common Inception YTD 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009
Annualized Return (%) -0.27 6.70 4.46 0.42 1.43 1.86 NA 0.54 8.43 1.45 5.00 -11.55 -1.35 3.54 7.60 0.86 2.37 1.29 1.44 5.77 -1.29 2.54 5.88 4.46 -1.24
Sharpe Ratio NA 0.92 0.20 -0.34 -0.05 NA NA -0.45 1.24 -0.37 0.16 -1.55 -0.72 1.18 2.85 -0.22 0.76 0.52 0.58 2.48 -0.40 1.71 2.22 1.71 -5.04
Standard Deviation(%) NA 3.79 5.85 6.40 4.82 NA NA 4.12 4.48 5.94 8.36 8.38 1.90 2.77 2.15 2.42 2.26 2.08 2.44 2.33 3.31 1.46 2.63 2.55 2.36
Draw Down(%) NA 2.67 7.53 17.12 17.47 NA NA 2.67 2.59 3.98 8.74 16.12 1.93 2.50 0.66 2.38 1.40 3.27 1.45 0.86 3.72 0.94 1.32 2.24 1.44
Yield(%) 0.00 4.27 3.98 2.79 2.61 2.43 2.06 1.72 4.35 3.87 3.33 2.01 0.97 1.83 4.21 2.67 2.16 1.96 2.00 1.97 0.96 1.61 2.73 3.19 0.00
Data as of 06/09/2026, Common starting date is 11/24/2009
Performance Comparison Chart
Annualized Rolling Returns Comparison (Minimum)
Ticker/Portfolio Name 3 Year 5 Year 10 Year 15 Year
VMBSX (VANGUARD MORTGAGE-BACKED SECURITIES INDEX FUND ADMIRAL SHARES) -5.78%
Oct 2020 – Oct 2023
-1.11%
Oct 2017 – Oct 2022
0.33%
Oct 2013 – Oct 2023
1.74%
Jan 2010 – Jan 2025
Annualized Rolling Returns Comparison (Maximum)
Ticker/Portfolio Name 3 Year 5 Year 10 Year 15 Year
VMBSX (VANGUARD MORTGAGE-BACKED SECURITIES INDEX FUND ADMIRAL SHARES) 5.95%
Oct 2022 – Oct 2025
3.48%
Mar 2010 – Mar 2015
3.30%
Mar 2010 – Mar 2020
2.14%
Feb 2011 – Feb 2026
Annualized Rolling Returns Comparison Chart

3-Year Annualized Rolling Return