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ISIN
US77958D1019
CUSIP
77958D101
Inception Date
Oct 30, 2002
Min. Investment
$2,500
Distribution Policy
Distributing
Asset Class
Bond

Share Price Chart


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Performance

PRIPX Performance Chart

T. Rowe Price Inflation Protected Bond Fund (PRIPX) is up 0.9% since the beginning of the year. PRIPX is currently trading at $10 per share. Investors who bought $1,000 worth of PRIPX shares 5 years ago would now be looking at an investment worth $998.


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S&P 500 Index

Returns By Period

T. Rowe Price Inflation Protected Bond Fund (PRIPX) has returned 0.91% so far this year and 4.27% over the past 12 months. Over the last ten years, PRIPX has returned 2.20% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.


T. Rowe Price Inflation Protected Bond Fund

1D
0.29%
1M
0.42%
YTD
0.91%
6M
1.37%
1Y
4.27%
3Y*
2.65%
5Y*
-0.05%
10Y*
2.20%

Benchmark (S&P 500 Index)

1D
-0.37%
1M
-0.01%
YTD
9.16%
6M
8.15%
1Y
24.03%
3Y*
19.78%
5Y*
11.99%
10Y*
13.88%
*Multi-year figures are annualized to reflect compound growth (CAGR)

PRIPX Monthly Returns History

Based on dividend-adjusted daily data since Nov 1, 2002, PRIPX's average daily return is +0.01%, while the average monthly return is +0.30%. At this rate, an investment would double in approximately 19.3 years.

Historically, 63% of months were positive and 37% were negative. The best month was Mar 2009 with a return of +5.6%, while the worst month was Oct 2008 at -8.3%. The longest winning streak lasted 7 consecutive months, and the longest losing streak was 6 months.

On a daily basis, PRIPX closed higher 47% of trading days. The best single day was Mar 20, 2020 with a return of +3.8%, while the worst single day was Dec 8, 2021 at -3.9%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.32%1.28%-1.41%1.20%0.13%-0.58%0.91%
20251.23%2.28%0.60%0.16%-0.63%0.99%0.17%1.70%0.43%0.42%0.11%-0.32%7.34%
20240.23%-1.04%0.61%-1.53%1.67%0.68%1.83%0.75%1.51%-1.91%-2.45%-1.50%-1.27%
20232.16%-1.56%2.43%0.09%-1.37%-0.55%-0.00%-0.93%-1.87%-0.83%2.54%2.59%2.57%
2022-2.06%0.70%-1.70%-2.44%-1.05%-2.77%3.77%-2.83%-6.73%1.25%1.91%-1.21%-12.76%
20210.31%-1.60%-0.00%1.31%1.07%0.68%2.55%-0.22%-0.66%1.11%0.66%0.17%5.45%

Benchmark Metrics

T. Rowe Price Inflation Protected Bond Fund has an annualized alpha of 4.13%, beta of -0.04, and R2 of 0.02 versus S&P 500 Index. Calculated based on daily prices since November 01, 2002.

  • This fund captured 11.70% of S&P 500 Index gains and tended to rise during its downturns (downside capture of -0.15%) - a profile typical of hedging or uncorrelated assets.
  • Beta of -0.04 may look defensive, but with R2 of 0.02 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 0.02 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
4.13%
Beta
-0.04
0.02
Upside Capture
11.70%
Downside Capture
-0.15%

Expense Ratio

PRIPX has an expense ratio of 0.38%, placing it in the medium range.


Return for Risk

Risk / Return Rank

PRIPX ranks 12 for risk / return — in the bottom 12% 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.


PRIPX Risk / Return Rank: 1212
Overall Rank
PRIPX Sharpe Ratio Rank: 99
Sharpe Ratio Rank
PRIPX Sortino Ratio Rank: 99
Sortino Ratio Rank
PRIPX Omega Ratio Rank: 2020
Omega Ratio Rank
PRIPX Calmar Ratio Rank: 1212
Calmar Ratio Rank
PRIPX Martin Ratio Rank: 77
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 Inflation Protected Bond Fund (PRIPX) 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.


PRIPXBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

-1.29

Sortino ratioReturn per unit of downside risk

-1.63

Omega ratioGain probability vs. loss probability

1.22

1.37

-0.15

Calmar ratioReturn relative to maximum drawdown

1.07

2.78

-1.72

Martin ratioReturn relative to average drawdown

1.86

12.44

-10.58

Dividends

Dividend History

T. Rowe Price Inflation Protected Bond Fund provided a 5.44% dividend yield over the last twelve months, with an annual payout of $0.56 per share.


1.00%2.00%3.00%4.00%5.00%6.00%7.00%$0.00$0.20$0.40$0.60$0.8020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$0.56$0.58$0.15$0.52$0.79$0.70$0.26$0.46$0.34$0.22$0.16$0.20

Dividend yield

5.44%5.63%1.49%5.02%7.37%5.30%1.97%3.81%3.02%1.87%1.32%1.76%

Monthly Dividends

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


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.01$0.01$0.01$0.01$0.01$0.00$0.06
2025$0.01$0.01$0.01$0.03$0.01$0.01$0.03$0.03$0.03$0.01$0.36$0.03$0.58
2024$0.01$0.01$0.01$0.00$0.00$0.00$0.00$0.02$0.01$0.01$0.04$0.03$0.15
2023$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.51$0.01$0.52
2022$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.79$0.00$0.79
2021$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.70$0.70

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 Inflation Protected Bond 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 Inflation Protected Bond Fund was 16.15%, occurring on Oct 6, 2023. The portfolio has not yet recovered.

The current T. Rowe Price Inflation Protected Bond Fund drawdown is 5.18%.


Related event

Drawdown

Fall

Recovery

Underwater

2023 correction2023
-16.15%Oct 2023
1y 11mo
4y 7moNov 2021 - now
Financial crisis2007–2009
-14.25%Nov 2008
8mo 18d10mo 11d
1y 6moMar 2008 - Oct 2009
2013 correction2013
-10.82%Sep 2013
8mo 28d5y 8mo
6y 5moDec 2012 - May 2019
COVID crash2020
-9.00%Mar 2020
9d2mo 23d
3mo 2dMar 2020 - Jun 2020
2003 pullback2003
-7.51%Aug 2003
1mo 20d5mo 20d
7mo 10dJun 2003 - Jan 2004

Drawdown Indicators


PRIPXBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-16.15%

-56.78%

+40.63%

Max Drawdown (1Y)

Largest decline over 1 year

-4.21%

-9.10%

+4.89%

Max Drawdown (3Y)

Largest decline over 3 years

-6.90%

-18.90%

+12.00%

Max Drawdown (5Y)

Largest decline over 5 years

-16.15%

-25.43%

+9.28%

Max Drawdown (10Y)

Largest decline over 10 years

-16.15%

-33.92%

+17.77%

Current Drawdown

Current decline from peak

-5.18%

-1.80%

-3.38%

Average Drawdown

Average peak-to-trough decline

-4.05%

-10.71%

+6.66%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.42%

2.03%

+0.39%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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