FGDMX vs. MOGLX

Last updated Jun 23, 2026

FGDMX (Fidelity Advisor Communication Services Class A) and MOGLX (Gabelli Media Mogul Fund) are both Communications Equities funds. Over the past 5 years, FGDMX returned 13.64%/yr vs -0.34%/yr for MOGLX. A 0.67 correlation means they provide meaningful diversification when combined. FGDMX charges 1.03%/yr vs 0.90%/yr for MOGLX.

Performance

FGDMX vs. MOGLX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Advisor Communication Services Class A (FGDMX) and Gabelli Media Mogul Fund (MOGLX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FGDMX achieves a 8.92% return, which is significantly higher than MOGLX's 8.26% return.

FGDMX

• 1D: 1.73%
• 1M: -1.61%
• YTD: 8.92%
• 6M: 9.38%
• 1Y: 34.96%
• 3Y*: 32.52%
• 5Y*: 13.64%
• 10Y*: —

MOGLX

• 1D: -0.26%
• 1M: -0.26%
• YTD: 8.26%
• 6M: 8.55%
• 1Y: 22.45%
• 3Y*: 11.57%
• 5Y*: -0.34%
• 10Y*: —

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

FGDMX vs. MOGLX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
FGDMX Fidelity Advisor Communication Services Class A	8.92%	36.36%	35.46%	56.40%	-38.47%	15.63%	35.07%	15.01%
MOGLX Gabelli Media Mogul Fund	8.26%	22.85%	1.12%	10.23%	-31.12%	7.69%	0.25%	5.24%

Correlation

The correlation between FGDMX and MOGLX is 0.42, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.42
Correlation (3Y) Calculated over the trailing 3-year period	0.53
Correlation (5Y) Calculated over the trailing 5-year period	0.66
Correlation (All Time) Calculated using the full available price history since Apr 1, 2019	0.67

Over the past year, the correlation between FGDMX and MOGLX has dropped to 0.42 - well below their long-term average of 0.67, suggesting their price drivers have been diverging.

Return for Risk

FGDMX vs. MOGLX — Risk / Return Rank

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

FGDMX

FGDMX Risk / Return Rank: 35
FGDMX Sharpe Ratio Rank: 39
FGDMX Sortino Ratio Rank: 36
FGDMX Omega Ratio Rank: 37
FGDMX Calmar Ratio Rank: 30
FGDMX Martin Ratio Rank: 34

MOGLX

MOGLX Risk / Return Rank: 51
MOGLX Sharpe Ratio Rank: 45
MOGLX Sortino Ratio Rank: 49
MOGLX Omega Ratio Rank: 40
MOGLX Calmar Ratio Rank: 79
MOGLX Martin Ratio Rank: 44

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.

FGDMX vs. MOGLX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Communication Services Class A (FGDMX) and Gabelli Media Mogul Fund (MOGLX). 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.

	FGDMX	MOGLX	Difference
Sharpe ratio: Return per unit of total volatility	1.70	1.82	-0.12
Sortino ratio: Return per unit of downside risk	2.34	2.73	-0.38
Omega ratio: Gain probability vs. loss probability	1.30	1.32	-0.02
Calmar ratio: Return relative to maximum drawdown	1.95	3.38	-1.43
Martin ratio: Return relative to average drawdown	7.15	8.83	-1.68

FGDMX vs. MOGLX - Sharpe Ratio Comparison

The current FGDMX Sharpe Ratio is 1.70, which is comparable to the MOGLX Sharpe Ratio of 1.82. The chart below compares the historical Sharpe Ratios of FGDMX and MOGLX, 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

FGDMX vs. MOGLX - Drawdown Comparison

The maximum FGDMX drawdown since its inception was -47.60%, roughly equal to the maximum MOGLX drawdown of -45.76%. Use the drawdown chart below to compare losses from any high point for FGDMX and MOGLX.

Drawdown Indicators

	FGDMX	MOGLX	Difference
Max Drawdown Largest peak-to-trough decline	-47.60%	-45.76%	-1.84%
Max Drawdown (1Y) Largest decline over 1 year	-16.94%	-7.30%	-9.64%
Max Drawdown (3Y) Largest decline over 3 years	-23.23%	-16.55%	-6.68%
Max Drawdown (5Y) Largest decline over 5 years	-47.60%	-40.66%	-6.94%
Current Drawdown Current decline from peak	-3.88%	-9.69%	+5.81%
Average Drawdown Average peak-to-trough decline	-10.83%	-21.49%	+10.66%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.61%	2.79%	+1.82%

Volatility

FGDMX vs. MOGLX - Volatility Comparison

Fidelity Advisor Communication Services Class A (FGDMX) has a higher volatility of 6.12% compared to Gabelli Media Mogul Fund (MOGLX) at 2.27%. This indicates that FGDMX's price experiences larger fluctuations and is considered to be riskier than MOGLX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FGDMX	MOGLX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.12%	2.27%	+3.85%
Volatility (6M) Calculated over the trailing 6-month period	14.75%	9.07%	+5.68%
Volatility (1Y) Calculated over the trailing 1-year period	19.41%	13.58%	+5.83%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.34%	18.09%	+5.25%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.94%	21.61%	+2.33%

FGDMX vs. MOGLX - Expense Ratio Comparison

FGDMX has a 1.03% expense ratio, which is higher than MOGLX's 0.90% expense ratio.

Dividends

FGDMX vs. MOGLX - Dividend Comparison

FGDMX's dividend yield for the trailing twelve months is around 12.24%, more than MOGLX's 4.13% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
FGDMX Fidelity Advisor Communication Services Class A	12.24%	7.66%	6.90%	0.00%	0.00%	5.73%	3.76%	35.47%	8.84%
MOGLX Gabelli Media Mogul Fund	4.13%	0.49%	1.44%	0.93%	1.33%	2.09%	0.74%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FGDMX and MOGLX in my portfolio?

FGDMX and MOGLX have a correlation of 0.42, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FGDMX or MOGLX?

FGDMX has higher volatility (6.12%) compared to MOGLX (2.27%). In terms of maximum drawdown, FGDMX dropped -47.60% vs MOGLX's -45.76%.

Which has better risk-adjusted returns?

MOGLX currently has the higher Sharpe Ratio (1.82 vs 1.70), 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.