FSTGX vs. FGRTX

Last updated Jul 14, 2026

FSTGX (Fidelity Intermediate Government Income Fund) and FGRTX (Fidelity Mega Cap Stock Fund) are both mutual funds - FSTGX is a Government Bonds fund managed by Fidelity, while FGRTX is a Large Cap Blend Equities fund actively managed by Fidelity. Over the past 10 years, FSTGX returned 0.98%/yr vs 16.45%/yr for FGRTX. At a correlation of -0.22, they often move in opposite directions. FSTGX charges 0.45%/yr vs 0.58%/yr for FGRTX.

Performance

FSTGX vs. FGRTX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Intermediate Government Income Fund (FSTGX) and Fidelity Mega Cap Stock Fund (FGRTX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

Over the past 10 years, FSTGX has underperformed FGRTX with an annualized return of 0.98%, while FGRTX has yielded a comparatively higher 16.45% annualized return.

FSTGX

• 1D: 0.00%
• 1M: -0.05%
• 6M: 0.10%
• YTD: -0.00%
• 1Y: 2.76%
• 3Y*: 3.79%
• 5Y*: 0.31%
• 10Y*: 0.98%

FGRTX

• 1D: 0.63%
• 1M: 2.80%
• 6M: 8.79%
• YTD: 11.71%
• 1Y: 24.63%
• 3Y*: 25.05%
• 5Y*: 16.59%
• 10Y*: 16.45%

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

FSTGX vs. FGRTX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FSTGX Fidelity Intermediate Government Income Fund	-0.00%	6.00%	2.24%	3.88%	-8.76%	-2.28%	5.46%	4.84%	1.20%	0.98%
FGRTX Fidelity Mega Cap Stock Fund	11.71%	26.92%	25.98%	26.51%	-8.98%	26.29%	12.96%	31.07%	-7.44%	16.98%

Correlation

The correlation between FSTGX and FGRTX is 0.14, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.14
Correlation (3Y) Calculated over the trailing 3-year period	0.06
Correlation (5Y) Calculated over the trailing 5-year period	0.02
Correlation (10Y) Calculated over the trailing 10-year period	-0.14
Correlation (All Time) Calculated using the full available price history since Dec 28, 1998	-0.22

The correlation between FSTGX and FGRTX shifts across timeframes, from -0.22 (all time) to 0.14 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

FSTGX vs. FGRTX — Risk / Return Rank

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

FSTGX

FSTGX Risk / Return Rank: 24
FSTGX Sharpe Ratio Rank: 23
FSTGX Sortino Ratio Rank: 26
FSTGX Omega Ratio Rank: 24
FSTGX Calmar Ratio Rank: 25
FSTGX Martin Ratio Rank: 20

FGRTX

FGRTX Risk / Return Rank: 76
FGRTX Sharpe Ratio Rank: 76
FGRTX Sortino Ratio Rank: 73
FGRTX Omega Ratio Rank: 72
FGRTX Calmar Ratio Rank: 76
FGRTX Martin Ratio Rank: 84

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.

FSTGX vs. FGRTX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Intermediate Government Income Fund (FSTGX) and Fidelity Mega Cap Stock Fund (FGRTX). 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.

	FSTGX	FGRTX	Difference
Sharpe ratio: Return per unit of total volatility	1.04	1.97	-0.93
Sortino ratio: Return per unit of downside risk	1.59	2.73	-1.14
Omega ratio: Gain probability vs. loss probability	1.19	1.35	-0.16
Calmar ratio: Return relative to maximum drawdown	1.41	2.74	-1.33
Martin ratio: Return relative to average drawdown	3.71	12.00	-8.30

FSTGX vs. FGRTX - Sharpe Ratio Comparison

The current FSTGX Sharpe Ratio is 1.04, which is lower than the FGRTX Sharpe Ratio of 1.97. The chart below compares the historical Sharpe Ratios of FSTGX and FGRTX, 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

FSTGX vs. FGRTX - Drawdown Comparison

The maximum FSTGX drawdown since its inception was -13.66%, smaller than the maximum FGRTX drawdown of -56.17%. Use the drawdown chart below to compare losses from any high point for FSTGX and FGRTX.

Drawdown Indicators

	FSTGX	FGRTX	Difference
Max Drawdown Largest peak-to-trough decline	-13.66%	-56.17%	+42.51%
Max Drawdown (1Y) Largest decline over 1 year	-1.89%	-8.99%	+7.10%
Max Drawdown (3Y) Largest decline over 3 years	-2.87%	-18.51%	+15.64%
Max Drawdown (5Y) Largest decline over 5 years	-12.54%	-23.35%	+10.81%
Max Drawdown (10Y) Largest decline over 10 years	-13.66%	-35.18%	+21.52%
Current Drawdown Current decline from peak	-1.18%	0.00%	-1.18%
Average Drawdown Average peak-to-trough decline	-1.57%	-8.69%	+7.12%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.72%	2.05%	-1.33%

Volatility

FSTGX vs. FGRTX - Volatility Comparison

The current volatility for Fidelity Intermediate Government Income Fund (FSTGX) is 0.80%, while Fidelity Mega Cap Stock Fund (FGRTX) has a volatility of 4.00%. This indicates that FSTGX experiences smaller price fluctuations and is considered to be less risky than FGRTX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FSTGX	FGRTX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.80%	4.00%	-3.20%
Volatility (6M) Calculated over the trailing 6-month period	1.95%	9.66%	-7.71%
Volatility (1Y) Calculated over the trailing 1-year period	2.58%	12.55%	-9.97%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.11%	16.74%	-12.63%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.38%	18.05%	-14.67%

FSTGX vs. FGRTX - Expense Ratio Comparison

FSTGX has a 0.45% expense ratio, which is lower than FGRTX's 0.58% expense ratio.

Dividends

FSTGX vs. FGRTX - Dividend Comparison

FSTGX's dividend yield for the trailing twelve months is around 3.17%, less than FGRTX's 3.48% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FGRTX Fidelity Mega Cap Stock Fund	3.48%	3.89%	2.68%	2.06%	4.38%	4.79%	7.96%	12.98%	21.72%	15.57%	1.97%	4.16%
FSTGX Fidelity Intermediate Government Income Fund	3.17%	3.04%	2.94%	2.12%	0.99%	0.77%	2.65%	1.85%	1.84%	1.47%	1.52%	1.69%

Frequently Asked Questions

Can I hold both FSTGX and FGRTX in my portfolio?

FSTGX and FGRTX have a correlation of 0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FSTGX or FGRTX?

FGRTX has higher volatility (4.00%) compared to FSTGX (0.80%). In terms of maximum drawdown, FSTGX dropped -13.66% vs FGRTX's -56.17%.

Which has better risk-adjusted returns?

FGRTX currently has the higher Sharpe Ratio (1.97 vs 1.04), 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.