FVIAX vs. FGMNX

Last updated Jun 5, 2026

FVIAX (Fidelity Advisor Government Income Fund Class A) and FGMNX (Fidelity GNMA Fund) are both Government Bonds funds from Fidelity. Over the past 10 years, FVIAX returned 0.43%/yr vs 1.21%/yr for FGMNX. Their correlation of 0.81 suggests significant overlap in exposure. FVIAX charges 0.77%/yr vs 0.45%/yr for FGMNX.

Performance

FVIAX vs. FGMNX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Advisor Government Income Fund Class A (FVIAX) 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, FVIAX achieves a -0.03% return, which is significantly lower than FGMNX's 0.89% return. Over the past 10 years, FVIAX has underperformed FGMNX with an annualized return of 0.43%, while FGMNX has yielded a comparatively higher 1.21% annualized return.

FVIAX

• 1D: -0.22%
• 1M: 0.06%
• YTD: -0.03%
• 6M: -0.04%
• 1Y: 3.50%
• 3Y*: 2.53%
• 5Y*: -0.94%
• 10Y*: 0.43%

FGMNX

• 1D: -0.19%
• 1M: 0.02%
• YTD: 0.89%
• 6M: 1.18%
• 1Y: 5.84%
• 3Y*: 4.19%
• 5Y*: 0.26%
• 10Y*: 1.21%

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

FVIAX vs. FGMNX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FVIAX Fidelity Advisor Government Income Fund Class A	-0.03%	6.20%	-0.18%	3.64%	-13.30%	-2.54%	6.45%	6.06%	0.39%	1.78%
FGMNX Fidelity GNMA Fund	0.89%	7.89%	0.43%	5.46%	-11.52%	-1.03%	3.74%	5.72%	0.62%	1.74%

Correlation

The correlation between FVIAX and FGMNX is 0.95 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.95
Correlation (3Y) Calculated over the trailing 3-year period	0.96
Correlation (5Y) Calculated over the trailing 5-year period	0.94
Correlation (10Y) Calculated over the trailing 10-year period	0.86
Correlation (All Time) Calculated using the full available price history since Nov 11, 1985	0.81

The correlation between FVIAX and FGMNX shifts across timeframes, from 0.81 (all time) to 0.96 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

FVIAX vs. FGMNX — Risk / Return Rank

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

FVIAX

FVIAX Risk / Return Rank: 16
FVIAX Sharpe Ratio Rank: 16
FVIAX Sortino Ratio Rank: 17
FVIAX Omega Ratio Rank: 15
FVIAX Calmar Ratio Rank: 16
FVIAX Martin Ratio Rank: 15

FGMNX

FGMNX Risk / Return Rank: 38
FGMNX Sharpe Ratio Rank: 36
FGMNX Sortino Ratio Rank: 38
FGMNX Omega Ratio Rank: 35
FGMNX Calmar Ratio Rank: 46
FGMNX Martin Ratio Rank: 38

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.

FVIAX vs. FGMNX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Government Income Fund Class A (FVIAX) 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.

	FVIAX	FGMNX	Difference
Sharpe ratio: Return per unit of total volatility	1.12	1.71	-0.59
Sortino ratio: Return per unit of downside risk	1.68	2.59	-0.91
Omega ratio: Gain probability vs. loss probability	1.20	1.31	-0.11
Calmar ratio: Return relative to maximum drawdown	1.40	2.56	-1.16
Martin ratio: Return relative to average drawdown	4.11	8.21	-4.10
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FVIAX vs. FGMNX - Sharpe Ratio Comparison

The current FVIAX Sharpe Ratio is 1.12, which is lower than the FGMNX Sharpe Ratio of 1.71. The chart below compares the historical Sharpe Ratios of FVIAX 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.

Sharpe Ratios by Period

	FVIAX	FGMNX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.12	1.71	-0.59
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.15	0.04	-0.20
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.09	0.26	-0.17
Sharpe Ratio (All Time) Calculated using the full available price history	0.22	1.04	-0.82

Drawdowns

FVIAX vs. FGMNX - Drawdown Comparison

The maximum FVIAX drawdown since its inception was -20.79%, which is greater than FGMNX's maximum drawdown of -16.84%. Use the drawdown chart below to compare losses from any high point for FVIAX and FGMNX.

Drawdown Indicators

	FVIAX	FGMNX	Difference
Max Drawdown Largest peak-to-trough decline	-20.79%	-16.84%	-3.95%
Max Drawdown (1Y) Largest decline over 1 year	-3.00%	-2.54%	-0.46%
Max Drawdown (3Y) Largest decline over 3 years	-6.49%	-7.23%	+0.74%
Max Drawdown (5Y) Largest decline over 5 years	-18.57%	-16.54%	-2.03%
Max Drawdown (10Y) Largest decline over 10 years	-20.66%	-16.84%	-3.82%
Current Drawdown Current decline from peak	-8.72%	-1.28%	-7.44%
Average Drawdown Average peak-to-trough decline	-7.06%	-1.91%	-5.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.02%	0.79%	+0.23%

Volatility

FVIAX vs. FGMNX - Volatility Comparison

The current volatility for Fidelity Advisor Government Income Fund Class A (FVIAX) is 1.13%, while Fidelity GNMA Fund (FGMNX) has a volatility of 1.31%. This indicates that FVIAX experiences smaller price fluctuations and is considered to be less risky than FGMNX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FVIAX	FGMNX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.13%	1.31%	-0.18%
Volatility (6M) Calculated over the trailing 6-month period	2.59%	2.66%	-0.07%
Volatility (1Y) Calculated over the trailing 1-year period	3.77%	3.81%	-0.04%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.10%	6.25%	-0.15%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.04%	4.67%	+0.37%

FVIAX vs. FGMNX - Expense Ratio Comparison

FVIAX has a 0.77% expense ratio, which is higher than FGMNX's 0.45% expense ratio.

Dividends

FVIAX vs. FGMNX - Dividend Comparison

FVIAX's dividend yield for the trailing twelve months is around 3.14%, less than FGMNX's 3.62% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FGMNX Fidelity GNMA Fund	3.62%	3.61%	3.23%	3.45%	1.68%	0.76%	1.61%	2.46%	2.19%	2.17%	2.61%	2.25%
FVIAX Fidelity Advisor Government Income Fund Class A	3.14%	3.03%	2.93%	2.03%	0.86%	0.39%	2.07%	1.77%	1.75%	1.47%	2.34%	1.96%

Frequently Asked Questions

Can I hold both FVIAX and FGMNX in my portfolio?

With a correlation of 0.95, FVIAX and FGMNX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, FVIAX or FGMNX?

FGMNX has higher volatility (1.31%) compared to FVIAX (1.13%). In terms of maximum drawdown, FVIAX dropped -20.79% vs FGMNX's -16.84%.

Which has better risk-adjusted returns?

FGMNX currently has the higher Sharpe Ratio (1.71 vs 1.12), 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.