PMTGX vs. FGMNX

Last updated Jun 26, 2026

PMTGX (PIA MBS Bond Fund) and FGMNX (Fidelity GNMA Fund) are both Government Bonds funds. Over the past 10 years, PMTGX returned 1.20%/yr vs 1.23%/yr for FGMNX. Their correlation of 0.84 suggests significant overlap in exposure. PMTGX charges 0.23%/yr vs 0.45%/yr for FGMNX.

Performance

PMTGX vs. FGMNX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in PIA MBS Bond Fund (PMTGX) and Fidelity GNMA Fund (FGMNX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PMTGX achieves a 0.66% return, which is significantly lower than FGMNX's 1.38% return. Both investments have delivered pretty close results over the past 10 years, with PMTGX having a 1.20% annualized return and FGMNX not far ahead at 1.23%.

PMTGX

• 1D: 0.48%
• 1M: 0.91%
• YTD: 0.66%
• 6M: 0.60%
• 1Y: 5.02%
• 3Y*: 3.95%
• 5Y*: 0.33%
• 10Y*: 1.20%

FGMNX

• 1D: 0.39%
• 1M: 0.79%
• YTD: 1.38%
• 6M: 1.47%
• 1Y: 5.62%
• 3Y*: 4.32%
• 5Y*: 0.41%
• 10Y*: 1.23%

*Multi-year figures are annualized to reflect compound growth (CAGR)

PMTGX vs. FGMNX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PMTGX PIA MBS Bond Fund	0.66%	7.83%	0.96%	4.73%	-11.37%	-1.18%	3.85%	6.02%	0.76%	2.35%
FGMNX Fidelity GNMA Fund	1.38%	7.89%	0.43%	5.46%	-11.52%	-1.03%	3.74%	5.72%	0.62%	1.74%

Correlation

The correlation between PMTGX and FGMNX is 0.88, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.88
Correlation (3Y) Calculated over the trailing 3-year period	0.91
Correlation (5Y) Calculated over the trailing 5-year period	0.92
Correlation (10Y) Calculated over the trailing 10-year period	0.86
Correlation (All Time) Calculated using the full available price history since Mar 1, 2006	0.84

The correlation between PMTGX and FGMNX has been stable across timeframes, ranging from 0.84 to 0.92 - a consistent structural relationship.

Return for Risk

PMTGX vs. FGMNX — Risk / Return Rank

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

PMTGX

PMTGX Risk / Return Rank: 24
PMTGX Sharpe Ratio Rank: 26
PMTGX Sortino Ratio Rank: 26
PMTGX Omega Ratio Rank: 25
PMTGX Calmar Ratio Rank: 22
PMTGX Martin Ratio Rank: 20

FGMNX

FGMNX Risk / Return Rank: 42
FGMNX Sharpe Ratio Rank: 41
FGMNX Sortino Ratio Rank: 45
FGMNX Omega Ratio Rank: 40
FGMNX Calmar Ratio Rank: 48
FGMNX Martin Ratio Rank: 37

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.

PMTGX vs. FGMNX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PIA MBS Bond Fund (PMTGX) and Fidelity GNMA Fund (FGMNX). 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.

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.

	PMTGX	FGMNX	Difference
Sharpe ratio: Return per unit of total volatility	1.19	1.55	-0.36
Sortino ratio: Return per unit of downside risk	1.76	2.34	-0.59
Omega ratio: Gain probability vs. loss probability	1.21	1.28	-0.07
Calmar ratio: Return relative to maximum drawdown	1.41	2.30	-0.90
Martin ratio: Return relative to average drawdown	4.18	6.99	-2.81

PMTGX vs. FGMNX - Sharpe Ratio Comparison

The current PMTGX Sharpe Ratio is 1.19, which is comparable to the FGMNX Sharpe Ratio of 1.55. The chart below compares the historical Sharpe Ratios of PMTGX and FGMNX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

PMTGX vs. FGMNX - Drawdown Comparison

The maximum PMTGX drawdown since its inception was -17.09%, roughly equal to the maximum FGMNX drawdown of -16.84%. Use the drawdown chart below to compare losses from any high point for PMTGX and FGMNX.

Drawdown Indicators

	PMTGX	FGMNX	Difference
Max Drawdown Largest peak-to-trough decline	-17.09%	-16.84%	-0.25%
Max Drawdown (1Y) Largest decline over 1 year	-3.68%	-2.54%	-1.14%
Max Drawdown (3Y) Largest decline over 3 years	-7.66%	-7.23%	-0.43%
Max Drawdown (5Y) Largest decline over 5 years	-16.86%	-16.50%	-0.36%
Max Drawdown (10Y) Largest decline over 10 years	-17.09%	-16.84%	-0.25%
Current Drawdown Current decline from peak	-1.50%	-0.81%	-0.69%
Average Drawdown Average peak-to-trough decline	-2.13%	-1.91%	-0.22%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.23%	0.84%	+0.39%

Volatility

PMTGX vs. FGMNX - Volatility Comparison

PIA MBS Bond Fund (PMTGX) and Fidelity GNMA Fund (FGMNX) have volatilities of 1.23% and 1.22%, 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.

Volatility by Period

	PMTGX	FGMNX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.23%	1.22%	+0.01%
Volatility (6M) Calculated over the trailing 6-month period	3.30%	2.79%	+0.51%
Volatility (1Y) Calculated over the trailing 1-year period	4.34%	3.78%	+0.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.30%	6.26%	+0.04%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.78%	4.69%	+0.09%

PMTGX vs. FGMNX - Expense Ratio Comparison

PMTGX has a 0.23% expense ratio, which is lower than FGMNX's 0.45% expense ratio.

Dividends

PMTGX vs. FGMNX - Dividend Comparison

PMTGX's dividend yield for the trailing twelve months is around 3.71%, more than FGMNX's 3.60% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FGMNX Fidelity GNMA Fund	3.60%	3.61%	3.23%	3.45%	1.68%	0.76%	1.61%	2.46%	2.19%	2.17%	2.61%	2.25%
PMTGX PIA MBS Bond Fund	3.71%	4.10%	4.16%	3.48%	2.17%	0.79%	2.12%	2.96%	2.76%	2.75%	2.96%	2.79%

Frequently Asked Questions

Can I hold both PMTGX and FGMNX in my portfolio?

PMTGX and FGMNX have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PMTGX or FGMNX?

PMTGX has higher volatility (1.23%) compared to FGMNX (1.22%). In terms of maximum drawdown, PMTGX dropped -17.09% vs FGMNX's -16.84%.

Which has better risk-adjusted returns?

FGMNX currently has the higher Sharpe Ratio (1.55 vs 1.19), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.