GABTX vs. FGDMX

Last updated Jun 5, 2026

GABTX (Gabelli Global Content & Connectivity Fund) and FGDMX (Fidelity Advisor Communication Services Class A) are both Communications Equities funds. Over the past 5 years, GABTX returned 7.17%/yr vs 13.52%/yr for FGDMX. A 0.78 correlation means they provide meaningful diversification when combined. GABTX charges 0.96%/yr vs 1.03%/yr for FGDMX.

Performance

GABTX vs. FGDMX - Performance Comparison

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

Returns By Period

In the year-to-date period, GABTX achieves a 17.15% return, which is significantly higher than FGDMX's 8.74% return.

GABTX

• 1D: -2.12%
• 1M: 6.29%
• YTD: 17.15%
• 6M: 19.52%
• 1Y: 39.00%
• 3Y*: 24.68%
• 5Y*: 7.17%
• 10Y*: 7.72%

FGDMX

• 1D: -0.51%
• 1M: 1.22%
• YTD: 8.74%
• 6M: 9.99%
• 1Y: 36.87%
• 3Y*: 33.63%
• 5Y*: 13.52%
• 10Y*: —

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

GABTX vs. FGDMX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
GABTX Gabelli Global Content & Connectivity Fund	17.15%	27.50%	14.94%	22.81%	-28.59%	5.15%	16.44%	15.63%	-7.30%
FGDMX Fidelity Advisor Communication Services Class A	8.74%	36.36%	35.46%	56.40%	-38.47%	15.63%	35.07%	32.77%	-7.41%

Correlation

The correlation between GABTX and FGDMX is 0.59, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.59
Correlation (3Y) Calculated over the trailing 3-year period	0.67
Correlation (5Y) Calculated over the trailing 5-year period	0.76
Correlation (All Time) Calculated using the full available price history since Dec 3, 2018	0.78

The correlation between GABTX and FGDMX shifts across timeframes, from 0.59 (1 year) to 0.78 (all time), reflecting how their relationship changes across market environments.

Return for Risk

GABTX vs. FGDMX — Risk / Return Rank

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

GABTX

GABTX Risk / Return Rank: 78
GABTX Sharpe Ratio Rank: 87
GABTX Sortino Ratio Rank: 83
GABTX Omega Ratio Rank: 75
GABTX Calmar Ratio Rank: 88
GABTX Martin Ratio Rank: 56

FGDMX

FGDMX Risk / Return Rank: 44
FGDMX Sharpe Ratio Rank: 50
FGDMX Sortino Ratio Rank: 46
FGDMX Omega Ratio Rank: 45
FGDMX Calmar Ratio Rank: 38
FGDMX Martin Ratio Rank: 41

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.

GABTX vs. FGDMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Gabelli Global Content & Connectivity Fund (GABTX) and Fidelity Advisor Communication Services Class A (FGDMX). 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.

	GABTX	FGDMX	Difference
Sharpe ratio: Return per unit of total volatility	2.83	2.05	+0.78
Sortino ratio: Return per unit of downside risk	3.99	2.81	+1.18
Omega ratio: Gain probability vs. loss probability	1.49	1.36	+0.13
Calmar ratio: Return relative to maximum drawdown	4.39	2.31	+2.09
Martin ratio: Return relative to average drawdown	11.17	8.70	+2.48
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GABTX vs. FGDMX - Sharpe Ratio Comparison

The current GABTX Sharpe Ratio is 2.83, which is higher than the FGDMX Sharpe Ratio of 2.05. The chart below compares the historical Sharpe Ratios of GABTX and FGDMX, 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

	GABTX	FGDMX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.83	2.05	+0.78
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.44	0.58	-0.15
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.47	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.44	0.80	-0.36

Drawdowns

GABTX vs. FGDMX - Drawdown Comparison

The maximum GABTX drawdown since its inception was -69.14%, which is greater than FGDMX's maximum drawdown of -47.60%. Use the drawdown chart below to compare losses from any high point for GABTX and FGDMX.

Drawdown Indicators

	GABTX	FGDMX	Difference
Max Drawdown Largest peak-to-trough decline	-69.14%	-47.60%	-21.54%
Max Drawdown (1Y) Largest decline over 1 year	-9.11%	-16.94%	+7.83%
Max Drawdown (3Y) Largest decline over 3 years	-15.69%	-23.23%	+7.54%
Max Drawdown (5Y) Largest decline over 5 years	-39.83%	-47.60%	+7.77%
Max Drawdown (10Y) Largest decline over 10 years	-39.83%	—	—
Current Drawdown Current decline from peak	-2.12%	-4.04%	+1.92%
Average Drawdown Average peak-to-trough decline	-16.57%	-10.87%	-5.70%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.58%	4.48%	-0.90%

Volatility

GABTX vs. FGDMX - Volatility Comparison

Gabelli Global Content & Connectivity Fund (GABTX) has a higher volatility of 5.39% compared to Fidelity Advisor Communication Services Class A (FGDMX) at 4.85%. This indicates that GABTX's price experiences larger fluctuations and is considered to be riskier than FGDMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GABTX	FGDMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.39%	4.85%	+0.54%
Volatility (6M) Calculated over the trailing 6-month period	10.72%	13.90%	-3.18%
Volatility (1Y) Calculated over the trailing 1-year period	14.15%	19.02%	-4.87%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.45%	23.25%	-6.80%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.43%	23.94%	-7.51%

GABTX vs. FGDMX - Expense Ratio Comparison

GABTX has a 0.96% expense ratio, which is lower than FGDMX's 1.03% expense ratio.

Dividends

GABTX vs. FGDMX - Dividend Comparison

GABTX's dividend yield for the trailing twelve months is around 15.26%, more than FGDMX's 12.26% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FGDMX Fidelity Advisor Communication Services Class A	12.26%	7.66%	6.90%	0.00%	0.00%	5.73%	3.76%	35.47%	8.84%	0.00%	0.00%	0.00%
GABTX Gabelli Global Content & Connectivity Fund	15.26%	17.87%	0.00%	0.32%	2.28%	6.72%	3.08%	6.45%	6.03%	6.41%	7.02%	8.31%

Frequently Asked Questions

Can I hold both GABTX and FGDMX in my portfolio?

GABTX and FGDMX have a correlation of 0.59, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GABTX or FGDMX?

GABTX has higher volatility (5.39%) compared to FGDMX (4.85%). In terms of maximum drawdown, GABTX dropped -69.14% vs FGDMX's -47.60%.

Which has better risk-adjusted returns?

GABTX currently has the higher Sharpe Ratio (2.83 vs 2.05), 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.