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ISIN
US7795491049
CUSIP
779549104
Inception Date
Nov 25, 1985
Min. Investment
$2,500
Distribution Policy
Distributing
Asset Class
Bond

Share Price Chart


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Performance

PRGMX Performance Chart

T. Rowe Price GNMA Fund (PRGMX) is up 0.9% since the beginning of the year. PRGMX is currently trading at $8 per share. Investors who bought $1,000 worth of PRGMX shares 5 years ago would now be looking at an investment worth $1,037.


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S&P 500 Index

Returns By Period

T. Rowe Price GNMA Fund (PRGMX) has returned 0.93% so far this year and 7.21% over the past 12 months. Over the last ten years, PRGMX has returned 1.32% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.


T. Rowe Price GNMA Fund

1D
0.24%
1M
0.93%
YTD
0.93%
6M
1.57%
1Y
7.21%
3Y*
4.79%
5Y*
0.72%
10Y*
1.32%

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)

PRGMX Monthly Returns History

Based on dividend-adjusted daily data since Jan 2, 1986, PRGMX's average daily return is +0.02%, while the average monthly return is +0.32%. At this rate, an investment would double in approximately 18.1 years.

Historically, 68% of months were positive and 32% were negative. The best month was Nov 2023 with a return of +4.8%, while the worst month was Sep 2022 at -5.3%. The longest winning streak lasted 21 consecutive months, and the longest losing streak was 9 months.

On a daily basis, PRGMX closed higher 39% of trading days. The best single day was Nov 10, 2022 with a return of +2.8%, while the worst single day was Sep 26, 2022 at -2.1%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.55%1.64%-1.62%0.19%0.31%-0.12%0.93%
20250.45%2.31%0.04%0.19%-1.01%1.69%-0.11%1.91%1.36%0.70%0.53%0.39%8.72%
2024-0.60%-1.44%0.91%-2.58%2.05%1.04%2.31%1.54%1.13%-2.43%1.50%-1.42%1.86%
20233.32%-1.94%1.87%0.48%-0.84%-0.45%0.00%-0.72%-2.99%-1.81%4.80%4.10%5.62%
2022-1.24%-0.78%-2.79%-2.86%1.05%-1.87%2.74%-2.73%-5.26%-1.33%4.20%-0.86%-11.45%
20210.00%-0.48%-0.37%0.27%-0.64%-0.09%0.16%-0.08%-0.14%-0.34%-0.25%-0.25%-2.18%

Benchmark Metrics

T. Rowe Price GNMA Fund has an annualized alpha of 3.88%, beta of 0.01, and R2 of 0.00 versus S&P 500 Index. Calculated based on daily prices since January 02, 1986.

  • This fund captured 11.89% of S&P 500 Index gains and tended to rise during its downturns (downside capture of -1.98%) - a profile typical of hedging or uncorrelated assets.
  • Beta of 0.01 may look defensive, but with R2 of 0.00 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 0.00 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
3.88%
Beta
0.01
0.00
Upside Capture
11.89%
Downside Capture
-1.98%

Expense Ratio

PRGMX has an expense ratio of 0.58%, placing it in the medium range.


Return for Risk

Risk / Return Rank

PRGMX ranks 42 for risk / return — on par with similar mutual funds. You're getting a typical balance of risk and reward. Not a standout, but not a red flag either — a reasonable choice if other factors align with your goals.


PRGMX Risk / Return Rank: 4242
Overall Rank
PRGMX Sharpe Ratio Rank: 4141
Sharpe Ratio Rank
PRGMX Sortino Ratio Rank: 4747
Sortino Ratio Rank
PRGMX Omega Ratio Rank: 4242
Omega Ratio Rank
PRGMX Calmar Ratio Rank: 4444
Calmar Ratio Rank
PRGMX Martin Ratio Rank: 3737
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 GNMA Fund (PRGMX) 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.


PRGMXBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

-0.29

Sortino ratioReturn per unit of downside risk

-0.12

Omega ratioGain probability vs. loss probability

1.32

1.37

-0.04

Calmar ratioReturn relative to maximum drawdown

2.42

2.78

-0.37

Martin ratioReturn relative to average drawdown

7.69

12.44

-4.75

Dividends

Dividend History

T. Rowe Price GNMA Fund provided a 4.99% dividend yield over the last twelve months, with an annual payout of $0.41 per share. The fund has been increasing its distributions for 4 consecutive years.


1.00%2.00%3.00%4.00%5.00%$0.00$0.10$0.20$0.30$0.4020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$0.41$0.41$0.36$0.29$0.11$0.05$0.14$0.22$0.25$0.27$0.27$0.29

Dividend yield

4.99%4.96%4.47%3.54%1.38%0.59%1.44%2.39%2.78%2.98%2.88%3.12%

Monthly Dividends

The table displays the monthly dividend distributions for T. Rowe Price GNMA 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$0.02$0.03$0.03$0.00$0.13
2025$0.03$0.02$0.02$0.03$0.03$0.02$0.05$0.05$0.05$0.03$0.02$0.05$0.41
2024$0.02$0.02$0.02$0.02$0.05$0.02$0.02$0.03$0.02$0.05$0.05$0.02$0.36
2023$0.04$0.04$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.29
2022$0.01$0.01$0.01$0.01$0.01$0.00$0.00$0.02$0.00$0.02$0.02$0.02$0.11
2021$0.00$0.01$0.01$0.01$0.00$0.00$0.01$0.00$0.01$0.01$0.01$0.01$0.05

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 GNMA 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 GNMA Fund was 18.22%, occurring on Oct 20, 2022. Recovery took 739 trading sessions.

The current T. Rowe Price GNMA Fund drawdown is 1.25%.


Related event

Drawdown

Fall

Recovery

Underwater

Bear market2022
-18.22%Oct 2022
1y 8mo2y 11mo
4y 8moFeb 2021 - Oct 2025
1989 correction1989
-14.84%Mar 1989
2y 2mo1y 8mo
3y 10moJan 1987 - Nov 1990
1994 pullback1994
-5.58%May 1994
3mo 7d9mo
1y 2dFeb 1994 - Feb 1995
2013 pullback2013
-5.40%Sep 2013
4mo 6d8mo 20d
1y 21dMay 2013 - May 2014
1986 pullback1986
-4.50%Jun 1986
1mo 13d5mo 16d
6mo 29dApr 1986 - Nov 1986

Drawdown Indicators


PRGMXBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-18.22%

-56.78%

+38.56%

Max Drawdown (1Y)

Largest decline over 1 year

-3.00%

-9.10%

+6.10%

Max Drawdown (3Y)

Largest decline over 3 years

-7.14%

-18.90%

+11.76%

Max Drawdown (5Y)

Largest decline over 5 years

-17.28%

-25.43%

+8.15%

Max Drawdown (10Y)

Largest decline over 10 years

-18.22%

-33.92%

+15.70%

Current Drawdown

Current decline from peak

-1.25%

-1.80%

+0.55%

Average Drawdown

Average peak-to-trough decline

-2.24%

-10.71%

+8.47%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.94%

2.03%

-1.09%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Portfolio Analyzer

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