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ISIN
US7414951050
CUSIP
741495105
Distribution Policy
Distributing
Asset Class
Bond

Share Price Chart


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Performance

PBDIX Performance Chart

T. Rowe Price QM U.S. Bond Index Fund (PBDIX) is up 0.2% since the beginning of the year. PBDIX is currently trading at $10 per share. Investors who bought $1,000 worth of PBDIX shares 5 years ago would now be looking at an investment worth $1,059.


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S&P 500 Index

Returns By Period

T. Rowe Price QM U.S. Bond Index Fund (PBDIX) has returned 0.20% so far this year and 4.63% over the past 12 months. Over the last ten years, PBDIX has returned 2.29% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.


T. Rowe Price QM U.S. Bond Index Fund

1D
0.21%
1M
0.99%
YTD
0.20%
6M
0.67%
1Y
4.63%
3Y*
6.00%
5Y*
1.15%
10Y*
2.29%

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)

PBDIX Monthly Returns History

Based on dividend-adjusted daily data since Nov 30, 2000, PBDIX's average daily return is +0.02%, while the average monthly return is +0.33%. At this rate, an investment would double in approximately 17.5 years.

Historically, 63% of months were positive and 37% were negative. The best month was Nov 2023 with a return of +4.8%, while the worst month was Sep 2022 at -4.7%. The longest winning streak lasted 9 consecutive months, and the longest losing streak was 5 months.

On a daily basis, PBDIX closed higher 45% of trading days. The best single day was Nov 10, 2022 with a return of +1.8%, while the worst single day was Mar 18, 2020 at -1.7%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.15%1.67%-1.89%0.14%0.26%-0.10%0.20%
20250.96%2.47%0.36%0.35%-0.78%1.60%-0.27%1.21%0.96%0.69%0.53%-0.04%8.29%
20240.19%-1.03%0.86%-2.17%2.15%0.96%2.72%1.88%1.56%-2.14%1.45%-1.61%4.75%
20233.56%-2.13%2.51%0.94%-0.74%-0.10%0.15%-0.63%-2.11%-1.64%4.75%4.07%8.62%
2022-1.96%-1.20%-2.84%-3.76%0.39%-1.66%1.99%-2.60%-4.71%-1.55%3.49%-0.54%-14.24%
2021-0.55%-1.31%-1.32%0.88%0.14%0.76%1.12%-0.11%-0.81%-0.11%0.33%-0.45%-1.45%

Benchmark Metrics

T. Rowe Price QM U.S. Bond Index Fund has an annualized alpha of 4.44%, beta of -0.04, and R2 of 0.04 versus S&P 500 Index. Calculated based on daily prices since November 30, 2000.

  • This fund captured 11.16% of S&P 500 Index gains and tended to rise during its downturns (downside capture of -5.19%) - a profile typical of hedging or uncorrelated assets.
  • Beta of -0.04 may look defensive, but with R2 of 0.04 this fund 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 fund's risk.
  • R2 of 0.04 means this fund 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
4.44%
Beta
-0.04
0.04
Upside Capture
11.16%
Downside Capture
-5.19%

Expense Ratio

PBDIX has an expense ratio of 0.23%, which is considered low.


Return for Risk

Risk / Return Rank

PBDIX ranks 19 for risk / return — in the bottom 19% of mutual funds on our site. This means you're taking on significantly more risk than the returns justify. Consider whether the potential upside is worth the volatility, or explore alternatives with better risk / return profiles.


PBDIX Risk / Return Rank: 1919
Overall Rank
PBDIX Sharpe Ratio Rank: 1919
Sharpe Ratio Rank
PBDIX Sortino Ratio Rank: 2020
Sortino Ratio Rank
PBDIX Omega Ratio Rank: 1818
Omega Ratio Rank
PBDIX Calmar Ratio Rank: 2020
Calmar Ratio Rank
PBDIX Martin Ratio Rank: 1717
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 T. Rowe Price QM U.S. Bond Index Fund (PBDIX) 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.


PBDIXBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

-0.87

Sortino ratioReturn per unit of downside risk

-1.00

Omega ratioGain probability vs. loss probability

1.21

1.37

-0.16

Calmar ratioReturn relative to maximum drawdown

1.55

2.78

-1.24

Martin ratioReturn relative to average drawdown

4.25

12.44

-8.18

Dividends

Dividend History

T. Rowe Price QM U.S. Bond Index Fund provided a 4.25% dividend yield over the last twelve months, with an annual payout of $0.41 per share.


2.00%3.00%4.00%5.00%6.00%7.00%$0.00$0.10$0.20$0.30$0.40$0.50$0.60$0.7020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$0.41$0.51$0.68$0.62$0.19$0.21$0.42$0.36$0.31$0.30$0.31$0.33

Dividend yield

4.25%5.19%7.21%6.39%2.01%1.84%3.59%3.18%2.94%2.75%2.82%2.99%

Monthly Dividends

The table displays the monthly dividend distributions for T. Rowe Price QM U.S. Bond Index Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.03$0.03$0.03$0.03$0.03$0.00$0.17
2025$0.07$0.06$0.06$0.03$0.04$0.03$0.03$0.04$0.03$0.04$0.03$0.04$0.51
2024$0.06$0.06$0.03$0.06$0.07$0.03$0.07$0.07$0.06$0.07$0.07$0.03$0.68
2023$0.05$0.05$0.06$0.05$0.06$0.06$0.05$0.03$0.06$0.03$0.06$0.06$0.62
2022$0.02$0.02$0.02$0.02$0.02$0.00$0.00$0.02$0.00$0.02$0.03$0.03$0.19
2021$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.21

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 T. Rowe Price QM U.S. Bond Index Fund. 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 T. Rowe Price QM U.S. Bond Index Fund was 19.20%, occurring on Oct 24, 2022. Recovery took 610 trading sessions.

The current T. Rowe Price QM U.S. Bond Index Fund drawdown is 1.60%.


Related event

Drawdown

Fall

Recovery

Underwater

Bear market2022
-19.20%Oct 2022
2y 2mo2y 5mo
4y 7moAug 2020 - Apr 2025
COVID crash2020
-7.10%Mar 2020
9d2mo 24d
3mo 3dMar 2020 - Jun 2020
Financial crisis2007–2009
-5.37%Oct 2008
1mo 20d1mo 17d
3mo 7dSep 2008 - Dec 2008
2013 pullback2013
-4.94%Sep 2013
4mo 5d8mo 11d
1y 11dMay 2013 - May 2014
2003 pullback2003
-4.78%Aug 2003
1mo 29d5mo 2d
7mo 1dJun 2003 - Jan 2004

Drawdown Indicators


PBDIXBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-19.20%

-56.78%

+37.58%

Max Drawdown (1Y)

Largest decline over 1 year

-3.08%

-9.10%

+6.02%

Max Drawdown (3Y)

Largest decline over 3 years

-5.61%

-18.90%

+13.29%

Max Drawdown (5Y)

Largest decline over 5 years

-19.10%

-25.43%

+6.33%

Max Drawdown (10Y)

Largest decline over 10 years

-19.20%

-33.92%

+14.72%

Current Drawdown

Current decline from peak

-1.60%

-1.80%

+0.20%

Average Drawdown

Average peak-to-trough decline

-2.16%

-10.71%

+8.55%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.11%

2.03%

-0.92%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Portfolio Analyzer

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