RYMIX vs. FGDMX

Last updated Jun 24, 2026

RYMIX (Rydex Telecommunications Fund) and FGDMX (Fidelity Advisor Communication Services Class A) are both Communications Equities funds. Over the past 5 years, RYMIX returned 8.71%/yr vs 12.64%/yr for FGDMX. A 0.68 correlation means they provide meaningful diversification when combined. RYMIX charges 1.36%/yr vs 1.03%/yr for FGDMX.

Performance

RYMIX vs. FGDMX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Rydex Telecommunications Fund (RYMIX) 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, RYMIX achieves a 27.20% return, which is significantly higher than FGDMX's 6.10% return.

RYMIX

• 1D: 0.77%
• 1M: -5.73%
• YTD: 27.20%
• 6M: 26.68%
• 1Y: 56.94%
• 3Y*: 28.63%
• 5Y*: 8.71%
• 10Y*: 9.13%

FGDMX

• 1D: -2.59%
• 1M: -4.15%
• YTD: 6.10%
• 6M: 5.85%
• 1Y: 30.41%
• 3Y*: 31.76%
• 5Y*: 12.64%
• 10Y*: —

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

RYMIX vs. FGDMX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
RYMIX Rydex Telecommunications Fund	27.20%	32.40%	15.98%	6.45%	-25.64%	9.42%	10.04%	13.43%	-8.45%
FGDMX Fidelity Advisor Communication Services Class A	6.10%	36.36%	35.46%	56.40%	-38.47%	15.63%	35.07%	32.77%	-7.41%

Correlation

The correlation between RYMIX and FGDMX is 0.50, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.50
Correlation (3Y) Calculated over the trailing 3-year period	0.54
Correlation (5Y) Calculated over the trailing 5-year period	0.67
Correlation (All Time) Calculated using the full available price history since Nov 30, 2018	0.68

The correlation between RYMIX and FGDMX shifts across timeframes, from 0.50 (1 year) to 0.68 (all time), reflecting how their relationship changes across market environments.

Return for Risk

RYMIX vs. FGDMX — Risk / Return Rank

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

RYMIX

RYMIX Risk / Return Rank: 90
RYMIX Sharpe Ratio Rank: 93
RYMIX Sortino Ratio Rank: 83
RYMIX Omega Ratio Rank: 80
RYMIX Calmar Ratio Rank: 96
RYMIX Martin Ratio Rank: 95

FGDMX

FGDMX Risk / Return Rank: 33
FGDMX Sharpe Ratio Rank: 36
FGDMX Sortino Ratio Rank: 33
FGDMX Omega Ratio Rank: 34
FGDMX Calmar Ratio Rank: 28
FGDMX Martin Ratio Rank: 32

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.

RYMIX vs. FGDMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Rydex Telecommunications Fund (RYMIX) 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.

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.

	RYMIX	FGDMX	Difference
Sharpe ratio: Return per unit of total volatility	2.95	1.62	+1.33
Sortino ratio: Return per unit of downside risk	3.63	2.23	+1.40
Omega ratio: Gain probability vs. loss probability	1.48	1.29	+0.20
Calmar ratio: Return relative to maximum drawdown	5.73	1.87	+3.86
Martin ratio: Return relative to average drawdown	21.06	6.81	+14.24

RYMIX vs. FGDMX - Sharpe Ratio Comparison

The current RYMIX Sharpe Ratio is 2.95, which is higher than the FGDMX Sharpe Ratio of 1.62. The chart below compares the historical Sharpe Ratios of RYMIX 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.

Drawdowns

RYMIX vs. FGDMX - Drawdown Comparison

The maximum RYMIX drawdown since its inception was -87.85%, which is greater than FGDMX's maximum drawdown of -47.60%. Use the drawdown chart below to compare losses from any high point for RYMIX and FGDMX.

Drawdown Indicators

	RYMIX	FGDMX	Difference
Max Drawdown Largest peak-to-trough decline	-87.85%	-47.60%	-40.25%
Max Drawdown (1Y) Largest decline over 1 year	-10.46%	-16.94%	+6.48%
Max Drawdown (3Y) Largest decline over 3 years	-16.11%	-23.23%	+7.12%
Max Drawdown (5Y) Largest decline over 5 years	-35.32%	-47.60%	+12.28%
Max Drawdown (10Y) Largest decline over 10 years	-35.32%	—	—
Current Drawdown Current decline from peak	-40.95%	-6.37%	-34.58%
Average Drawdown Average peak-to-trough decline	-67.89%	-10.83%	-57.06%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.84%	4.63%	-1.79%

Volatility

RYMIX vs. FGDMX - Volatility Comparison

Rydex Telecommunications Fund (RYMIX) has a higher volatility of 9.47% compared to Fidelity Advisor Communication Services Class A (FGDMX) at 6.59%. This indicates that RYMIX'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

	RYMIX	FGDMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.47%	6.59%	+2.88%
Volatility (6M) Calculated over the trailing 6-month period	16.72%	14.91%	+1.81%
Volatility (1Y) Calculated over the trailing 1-year period	20.36%	19.57%	+0.79%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.55%	23.38%	-4.83%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.56%	23.96%	-5.40%

RYMIX vs. FGDMX - Expense Ratio Comparison

RYMIX has a 1.36% expense ratio, which is higher than FGDMX's 1.03% expense ratio.

Dividends

RYMIX vs. FGDMX - Dividend Comparison

RYMIX's dividend yield for the trailing twelve months is around 0.67%, less than FGDMX's 12.57% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FGDMX Fidelity Advisor Communication Services Class A	12.57%	7.66%	6.90%	0.00%	0.00%	5.73%	3.76%	35.47%	8.84%	0.00%	0.00%	0.00%
RYMIX Rydex Telecommunications Fund	0.67%	0.85%	0.17%	1.55%	1.42%	0.42%	2.16%	3.56%	0.26%	3.95%	2.13%	3.57%

Frequently Asked Questions

Can I hold both RYMIX and FGDMX in my portfolio?

RYMIX and FGDMX have a correlation of 0.50, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RYMIX or FGDMX?

RYMIX has higher volatility (9.47%) compared to FGDMX (6.59%). In terms of maximum drawdown, RYMIX dropped -87.85% vs FGDMX's -47.60%.

Which has better risk-adjusted returns?

RYMIX currently has the higher Sharpe Ratio (2.95 vs 1.62), 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.