FDCF vs. MGC

Last updated Jun 4, 2026

FDCF (Fidelity Disruptive Communications ETF) and MGC (Vanguard Mega Cap ETF) are both exchange-traded funds - FDCF is a Communications Equities fund actively managed by Fidelity, while MGC is a Large Cap Blend Equities fund tracking the CRSP US Mega Cap Index. FDCF is actively managed, while MGC is passively managed. Over the past year, FDCF returned 23.52% vs 29.68% for MGC. Their correlation of 0.83 suggests significant overlap in exposure. FDCF charges 0.50%/yr vs 0.05%/yr for MGC.

Performance

FDCF vs. MGC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Disruptive Communications ETF (FDCF) and Vanguard Mega Cap ETF (MGC). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FDCF achieves a 5.62% return, which is significantly lower than MGC's 10.80% return.

FDCF

• 1D: -1.77%
• 1M: 3.38%
• YTD: 5.62%
• 6M: 7.71%
• 1Y: 23.52%
• 3Y*: —
• 5Y*: —
• 10Y*: —

MGC

• 1D: -0.79%
• 1M: 5.59%
• YTD: 10.80%
• 6M: 10.75%
• 1Y: 29.68%
• 3Y*: 23.87%
• 5Y*: 14.70%
• 10Y*: 16.36%

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

FDCF vs. MGC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
FDCF Fidelity Disruptive Communications ETF	5.62%	27.42%	28.37%	16.39%
MGC Vanguard Mega Cap ETF	10.80%	19.31%	27.16%	11.68%

Correlation

The correlation between FDCF and MGC is 0.79, 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	0.79
Correlation (All Time) Calculated using the full available price history since Jun 13, 2023	0.83

The correlation between FDCF and MGC has been stable across timeframes, ranging from 0.79 to 0.83 - a consistent structural relationship.

FDCF vs. MGC - Sectors Allocation Comparison

Sectors	FDCF	MGC
Communication Services	50.2%	13.1%
Technology	36.5%	39.3%
Consumer Cyclical	11.9%	10.1%
Industrials	1.4%	6.5%
Basic Materials	-	1.2%
Consumer Defensive	-	4.8%
Energy	-	2.6%
Financial Services	-	11.7%
Healthcare	-	8.9%
Real Estate	-	1.0%
Utilities	-	1.0%

Return for Risk

FDCF vs. MGC — Risk / Return Rank

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

FDCF

FDCF Risk / Return Rank: 31
FDCF Sharpe Ratio Rank: 35
FDCF Sortino Ratio Rank: 33
FDCF Omega Ratio Rank: 34
FDCF Calmar Ratio Rank: 27
FDCF Martin Ratio Rank: 28

MGC

MGC Risk / Return Rank: 69
MGC Sharpe Ratio Rank: 73
MGC Sortino Ratio Rank: 71
MGC Omega Ratio Rank: 71
MGC Calmar Ratio Rank: 60
MGC Martin Ratio Rank: 71

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.

FDCF vs. MGC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Disruptive Communications ETF (FDCF) and Vanguard Mega Cap ETF (MGC). 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.

	FDCF	MGC	Difference
Sharpe ratio: Return per unit of total volatility	1.29	2.42	-1.13
Sortino ratio: Return per unit of downside risk	1.79	3.30	-1.50
Omega ratio: Gain probability vs. loss probability	1.23	1.43	-0.21
Calmar ratio: Return relative to maximum drawdown	1.31	3.03	-1.72
Martin ratio: Return relative to average drawdown	3.95	13.61	-9.66
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FDCF vs. MGC - Sharpe Ratio Comparison

The current FDCF Sharpe Ratio is 1.29, which is lower than the MGC Sharpe Ratio of 2.42. The chart below compares the historical Sharpe Ratios of FDCF and MGC, 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

	FDCF	MGC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.29	2.42	-1.13
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.86	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.90	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.29	0.60	+0.69

Drawdowns

FDCF vs. MGC - Drawdown Comparison

The maximum FDCF drawdown since its inception was -22.53%, smaller than the maximum MGC drawdown of -51.93%. Use the drawdown chart below to compare losses from any high point for FDCF and MGC.

Drawdown Indicators

	FDCF	MGC	Difference
Max Drawdown Largest peak-to-trough decline	-22.53%	-51.93%	+29.40%
Max Drawdown (1Y) Largest decline over 1 year	-18.10%	-9.85%	-8.25%
Max Drawdown (3Y) Largest decline over 3 years	—	-19.28%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-25.74%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-33.07%	—
Current Drawdown Current decline from peak	-1.90%	-0.79%	-1.11%
Average Drawdown Average peak-to-trough decline	-4.17%	-7.06%	+2.89%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.97%	2.19%	+3.78%

Volatility

FDCF vs. MGC - Volatility Comparison

Fidelity Disruptive Communications ETF (FDCF) has a higher volatility of 4.28% compared to Vanguard Mega Cap ETF (MGC) at 3.04%. This indicates that FDCF's price experiences larger fluctuations and is considered to be riskier than MGC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FDCF	MGC	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.28%	3.04%	+1.24%
Volatility (6M) Calculated over the trailing 6-month period	13.98%	9.27%	+4.71%
Volatility (1Y) Calculated over the trailing 1-year period	18.36%	12.32%	+6.04%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.58%	17.27%	+3.31%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.58%	18.21%	+2.37%

FDCF vs. MGC - Expense Ratio Comparison

FDCF has a 0.50% expense ratio, which is higher than MGC's 0.05% expense ratio.

Dividends

FDCF vs. MGC - Dividend Comparison

FDCF's dividend yield for the trailing twelve months is around 0.03%, less than MGC's 0.87% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FDCF Fidelity Disruptive Communications ETF	0.03%	0.09%	0.25%	0.19%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
MGC Vanguard Mega Cap ETF	0.87%	0.93%	1.15%	1.35%	1.65%	1.17%	1.45%	1.81%	2.10%	1.83%	2.14%	2.11%

Frequently Asked Questions

Can I hold both FDCF and MGC in my portfolio?

FDCF and MGC have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FDCF or MGC?

FDCF has higher volatility (4.28%) compared to MGC (3.04%). In terms of maximum drawdown, FDCF dropped -22.53% vs MGC's -51.93%.

Which ETF is better, FDCF or MGC?

On 1-year performance, MGC leads with 29.68% vs 23.52% for FDCF. On fees, MGC is cheaper at 0.05% per year. On volatility, MGC has been the lower-risk option at 3.04%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, FDCF or MGC?

Over the 1-year period, MGC has performed better with a 29.68% return vs 23.52%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, FDCF or MGC?

MGC is cheaper with a 0.05% expense ratio, compared with 0.50% for FDCF.

Which ETF pays a higher dividend yield, FDCF or MGC?

MGC has the higher dividend yield at 0.87%, compared with 0.03% for FDCF.

What is the main difference between FDCF and MGC?

FDCF is categorized as Communications Equities, while MGC is Large Cap Blend Equities. They also come from different issuers: Fidelity and Vanguard. Their fees differ too: 0.50% for FDCF and 0.05% for MGC.

Which has better risk-adjusted returns?

MGC currently has the higher Sharpe Ratio (2.42 vs 1.29), 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.