- ISIN
- US77958D1019
- CUSIP
- 77958D101
- Issuer
- T. Rowe Price
- Inception Date
- Oct 30, 2002
- Category
- Inflation-Protected Bonds
- 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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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%
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%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0.32% | 1.28% | -1.41% | 1.20% | 0.13% | -0.58% | 0.91% | ||||||
| 2025 | 1.23% | 2.28% | 0.60% | 0.16% | -0.63% | 0.99% | 0.17% | 1.70% | 0.43% | 0.42% | 0.11% | -0.32% | 7.34% |
| 2024 | 0.23% | -1.04% | 0.61% | -1.53% | 1.67% | 0.68% | 1.83% | 0.75% | 1.51% | -1.91% | -2.45% | -1.50% | -1.27% |
| 2023 | 2.16% | -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% |
| 2021 | 0.31% | -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
- R²
- 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.
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.
| PRIPX | Benchmark | Difference | |
|---|---|---|---|
| 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.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 18d | 10mo 11d | 1y 6moMar 2008 - Oct 2009 |
2013 correction2013 | -10.82%Sep 2013 | 8mo 28d | 5y 8mo | 6y 5moDec 2012 - May 2019 |
COVID crash2020 | -9.00%Mar 2020 | 9d | 2mo 23d | 3mo 2dMar 2020 - Jun 2020 |
2003 pullback2003 | -7.51%Aug 2003 | 1mo 20d | 5mo 20d | 7mo 10dJun 2003 - Jan 2004 |
Drawdown Indicators
| PRIPX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest 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 DrawdownCurrent decline from peak | -5.18% | -1.80% | -3.38% |
Average DrawdownAverage peak-to-trough decline | -4.05% | -10.71% | +6.66% |
Ulcer IndexDepth 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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