PortfoliosLab logo
PortfoliosLab logo
Tools
Performance Analysis
Portfolio Analysis
Factor Model
Portfolios
Lazy PortfoliosUser Portfolios
Discussions
PBDIX vs. VBMFX
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between PBDIX and VBMFX is 0.95, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.


-0.50.00.51.01.0

Performance

PBDIX vs. VBMFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price QM U.S. Bond Index Fund (PBDIX) and Vanguard Total Bond Market Index Fund (VBMFX). The values are adjusted to include any dividend payments, if applicable.

-1.00%0.00%1.00%2.00%3.00%4.00%5.00%AugustSeptemberOctoberNovemberDecember2025
2.16%
0.86%
PBDIX
VBMFX

Key characteristics

Sharpe Ratio

PBDIX:

1.24

VBMFX:

0.54

Sortino Ratio

PBDIX:

1.81

VBMFX:

0.80

Omega Ratio

PBDIX:

1.22

VBMFX:

1.10

Calmar Ratio

PBDIX:

1.11

VBMFX:

0.21

Martin Ratio

PBDIX:

3.95

VBMFX:

1.31

Ulcer Index

PBDIX:

1.79%

VBMFX:

2.25%

Daily Std Dev

PBDIX:

5.75%

VBMFX:

5.45%

Max Drawdown

PBDIX:

-16.58%

VBMFX:

-19.21%

Current Drawdown

PBDIX:

-2.49%

VBMFX:

-9.39%

Returns By Period

In the year-to-date period, PBDIX achieves a 0.21% return, which is significantly lower than VBMFX's 0.42% return. Over the past 10 years, PBDIX has outperformed VBMFX with an annualized return of 3.41%, while VBMFX has yielded a comparatively lower 0.99% annualized return.


PBDIX

YTD

0.21%

1M

0.89%

6M

2.15%

1Y

6.75%

5Y*

2.46%

10Y*

3.41%

VBMFX

YTD

0.42%

1M

0.95%

6M

0.86%

1Y

2.73%

5Y*

-0.73%

10Y*

0.99%

*Annualized

Compare stocks, funds, or ETFs

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


PBDIX vs. VBMFX - Expense Ratio Comparison

PBDIX has a 0.23% expense ratio, which is higher than VBMFX's 0.15% 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%.


PBDIX
T. Rowe Price QM U.S. Bond Index Fund
Expense ratio chart for PBDIX: current value at 0.23% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.23%
Expense ratio chart for VBMFX: current value at 0.15% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.15%

Risk-Adjusted Performance

PBDIX vs. VBMFX — Risk-Adjusted Performance Rank

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

PBDIX
The Risk-Adjusted Performance Rank of PBDIX is 6161
Overall Rank
The Sharpe Ratio Rank of PBDIX is 6262
Sharpe Ratio Rank
The Sortino Ratio Rank of PBDIX is 6565
Sortino Ratio Rank
The Omega Ratio Rank of PBDIX is 5959
Omega Ratio Rank
The Calmar Ratio Rank of PBDIX is 6868
Calmar Ratio Rank
The Martin Ratio Rank of PBDIX is 5151
Martin Ratio Rank

VBMFX
The Risk-Adjusted Performance Rank of VBMFX is 1919
Overall Rank
The Sharpe Ratio Rank of VBMFX is 2222
Sharpe Ratio Rank
The Sortino Ratio Rank of VBMFX is 2222
Sortino Ratio Rank
The Omega Ratio Rank of VBMFX is 1818
Omega Ratio Rank
The Calmar Ratio Rank of VBMFX is 1515
Calmar Ratio Rank
The Martin Ratio Rank of VBMFX is 1717
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

PBDIX vs. VBMFX - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price QM U.S. Bond Index Fund (PBDIX) and Vanguard Total Bond Market Index Fund (VBMFX). 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.


Sharpe ratio
The chart of Sharpe ratio for PBDIX, currently valued at 1.24, compared to the broader market-1.000.001.002.003.004.001.240.54
The chart of Sortino ratio for PBDIX, currently valued at 1.81, compared to the broader market0.005.0010.001.810.80
The chart of Omega ratio for PBDIX, currently valued at 1.22, compared to the broader market1.002.003.004.001.221.10
The chart of Calmar ratio for PBDIX, currently valued at 1.11, compared to the broader market0.005.0010.0015.0020.001.110.21
The chart of Martin ratio for PBDIX, currently valued at 3.95, compared to the broader market0.0020.0040.0060.0080.003.951.31
PBDIX
VBMFX

The current PBDIX Sharpe Ratio is 1.24, which is higher than the VBMFX Sharpe Ratio of 0.54. The chart below compares the historical Sharpe Ratios of PBDIX and VBMFX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio0.000.501.001.502.002.50AugustSeptemberOctoberNovemberDecember2025
1.24
0.54
PBDIX
VBMFX

Dividends

PBDIX vs. VBMFX - Dividend Comparison

PBDIX's dividend yield for the trailing twelve months is around 7.85%, more than VBMFX's 3.55% yield.


TTM20242023202220212020201920182017201620152014
PBDIX
T. Rowe Price QM U.S. Bond Index Fund
7.54%7.86%6.98%5.47%3.53%7.17%5.61%5.18%4.59%2.78%2.90%2.86%
VBMFX
Vanguard Total Bond Market Index Fund
3.55%3.57%3.00%2.42%1.81%2.14%2.64%2.67%2.43%2.38%2.38%2.43%

Drawdowns

PBDIX vs. VBMFX - Drawdown Comparison

The maximum PBDIX drawdown since its inception was -16.58%, smaller than the maximum VBMFX drawdown of -19.21%. Use the drawdown chart below to compare losses from any high point for PBDIX and VBMFX. For additional features, visit the drawdowns tool.


-10.00%-8.00%-6.00%-4.00%-2.00%0.00%AugustSeptemberOctoberNovemberDecember2025
-2.49%
-9.39%
PBDIX
VBMFX

Volatility

PBDIX vs. VBMFX - Volatility Comparison

T. Rowe Price QM U.S. Bond Index Fund (PBDIX) and Vanguard Total Bond Market Index Fund (VBMFX) have volatilities of 1.42% and 1.44%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.


1.00%1.20%1.40%1.60%1.80%2.00%AugustSeptemberOctoberNovemberDecember2025
1.42%
1.44%
PBDIX
VBMFX
PortfoliosLab logo
Performance Analysis
Portfolio AnalysisPortfolio PerformanceStock ComparisonSharpe RatioMartin RatioTreynor RatioSortino RatioOmega RatioCalmar RatioSummers Ratio
Community
Discussions


Disclaimer

The information contained herein does not constitute investment advice and made available for educational purposes only. Prices and returns on equities are listed without consideration of fees, commissions, taxes, penalties, or interest payable due to purchasing, holding, or selling.

Copyright © 2025 PortfoliosLab