FDIS vs. MGK

Last updated Jun 14, 2026

FDIS (Fidelity MSCI Consumer Discretionary Index ETF) and MGK (Vanguard Mega Cap Growth ETF) are both exchange-traded funds - FDIS is a Consumer Discretionary Equities fund tracking the MSCI USA IMI Consumer Discretionary Index, while MGK is a Large Cap Growth Equities fund tracking the CRSP US Mega Cap Growth Index. Both are passively managed. Over the past 10 years, FDIS returned 13.98%/yr vs 18.85%/yr for MGK. Their correlation of 0.84 suggests significant overlap in exposure. FDIS charges 0.08%/yr vs 0.05%/yr for MGK.

Performance

FDIS vs. MGK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity MSCI Consumer Discretionary Index ETF (FDIS) and Vanguard Mega Cap Growth ETF (MGK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FDIS achieves a 0.01% return, which is significantly lower than MGK's 5.33% return. Over the past 10 years, FDIS has underperformed MGK with an annualized return of 13.98%, while MGK has yielded a comparatively higher 18.85% annualized return.

FDIS

• 1D: 0.20%
• 1M: 0.16%
• YTD: 0.01%
• 6M: -1.14%
• 1Y: 12.39%
• 3Y*: 13.37%
• 5Y*: 6.04%
• 10Y*: 13.98%

MGK

• 1D: 0.22%
• 1M: -3.17%
• YTD: 5.33%
• 6M: 6.21%
• 1Y: 24.77%
• 3Y*: 24.17%
• 5Y*: 14.87%
• 10Y*: 18.85%

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

FDIS vs. MGK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FDIS Fidelity MSCI Consumer Discretionary Index ETF	0.01%	5.67%	24.43%	40.48%	-35.23%	24.25%	49.50%	27.44%	-0.88%	22.96%
MGK Vanguard Mega Cap Growth ETF	5.33%	20.67%	32.94%	51.67%	-33.59%	28.58%	41.01%	37.38%	-2.91%	29.49%

Correlation

The correlation between FDIS and MGK is 0.67, 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	0.67
Correlation (3Y) Calculated over the trailing 3-year period	0.76
Correlation (5Y) Calculated over the trailing 5-year period	0.82
Correlation (10Y) Calculated over the trailing 10-year period	0.83
Correlation (All Time) Calculated using the full available price history since Oct 24, 2013	0.84

The correlation between FDIS and MGK shifts across timeframes, from 0.67 (1 year) to 0.84 (all time), reflecting how their relationship changes across market environments.

FDIS vs. MGK - Sectors Allocation Comparison

Sectors	FDIS	MGK
Consumer Cyclical	96.7%	12.8%
Consumer Defensive	1.1%	0.4%
Technology	1.0%	56.1%
Industrials	0.9%	1.1%
Communication Services	0.3%	17.3%
Healthcare	0.1%	4.5%
Real Estate	0.1%	1.3%
Financial Services	0.1%	4.5%
Basic Materials	-	0.7%
Energy	-	-
Utilities	-	1.2%

Return for Risk

FDIS vs. MGK — Risk / Return Rank

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

FDIS

FDIS Risk / Return Rank: 20
FDIS Sharpe Ratio Rank: 21
FDIS Sortino Ratio Rank: 20
FDIS Omega Ratio Rank: 19
FDIS Calmar Ratio Rank: 19
FDIS Martin Ratio Rank: 21

MGK

MGK Risk / Return Rank: 39
MGK Sharpe Ratio Rank: 44
MGK Sortino Ratio Rank: 42
MGK Omega Ratio Rank: 42
MGK Calmar Ratio Rank: 31
MGK Martin Ratio Rank: 35

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.

FDIS vs. MGK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity MSCI Consumer Discretionary Index ETF (FDIS) and Vanguard Mega Cap Growth ETF (MGK). 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.

	FDIS	MGK	Difference
Sharpe ratio: Return per unit of total volatility	0.61	1.37	-0.77
Sortino ratio: Return per unit of downside risk	0.97	1.89	-0.92
Omega ratio: Gain probability vs. loss probability	1.11	1.24	-0.13
Calmar ratio: Return relative to maximum drawdown	0.72	1.37	-0.65
Martin ratio: Return relative to average drawdown	2.24	4.65	-2.41

FDIS vs. MGK - Sharpe Ratio Comparison

The current FDIS Sharpe Ratio is 0.61, which is lower than the MGK Sharpe Ratio of 1.37. The chart below compares the historical Sharpe Ratios of FDIS and MGK, 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

FDIS vs. MGK - Drawdown Comparison

The maximum FDIS drawdown since its inception was -39.16%, smaller than the maximum MGK drawdown of -48.43%. Use the drawdown chart below to compare losses from any high point for FDIS and MGK.

Drawdown Indicators

	FDIS	MGK	Difference
Max Drawdown Largest peak-to-trough decline	-39.16%	-48.43%	+9.27%
Max Drawdown (1Y) Largest decline over 1 year	-15.50%	-16.85%	+1.35%
Max Drawdown (3Y) Largest decline over 3 years	-27.43%	-23.36%	-4.07%
Max Drawdown (5Y) Largest decline over 5 years	-39.16%	-36.01%	-3.15%
Max Drawdown (10Y) Largest decline over 10 years	-39.16%	-36.01%	-3.15%
Current Drawdown Current decline from peak	-4.58%	-5.63%	+1.05%
Average Drawdown Average peak-to-trough decline	-7.49%	-7.58%	+0.09%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.01%	4.97%	+0.04%

Volatility

FDIS vs. MGK - Volatility Comparison

Fidelity MSCI Consumer Discretionary Index ETF (FDIS) and Vanguard Mega Cap Growth ETF (MGK) have volatilities of 6.19% and 5.96%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FDIS	MGK	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.19%	5.96%	+0.23%
Volatility (6M) Calculated over the trailing 6-month period	13.44%	13.29%	+0.15%
Volatility (1Y) Calculated over the trailing 1-year period	18.52%	16.87%	+1.65%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.92%	22.72%	+1.20%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.32%	21.93%	+0.39%

FDIS vs. MGK - Expense Ratio Comparison

FDIS has a 0.08% expense ratio, which is higher than MGK's 0.05% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

FDIS vs. MGK - Dividend Comparison

FDIS's dividend yield for the trailing twelve months is around 0.73%, more than MGK's 0.33% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FDIS Fidelity MSCI Consumer Discretionary Index ETF	0.73%	0.75%	0.69%	0.78%	1.00%	0.58%	0.59%	1.14%	1.29%	1.00%	1.62%	1.25%
MGK Vanguard Mega Cap Growth ETF	0.33%	0.35%	0.43%	0.50%	0.70%	0.41%	0.65%	0.85%	1.12%	1.23%	1.53%	1.43%

Frequently Asked Questions

Can I hold both FDIS and MGK in my portfolio?

FDIS and MGK have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FDIS or MGK?

FDIS has higher volatility (6.19%) compared to MGK (5.96%). In terms of maximum drawdown, FDIS dropped -39.16% vs MGK's -48.43%.

Which ETF is better, FDIS or MGK?

On 10-year performance, MGK leads with 18.85% vs 13.98% for FDIS. On fees, MGK is cheaper at 0.05% per year. On volatility, MGK has been the lower-risk option at 5.96%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, FDIS or MGK?

Over the 10-year period, MGK has performed better with a 18.85% return vs 13.98%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, FDIS or MGK?

MGK is cheaper with a 0.05% expense ratio, compared with 0.08% for FDIS.

Which ETF pays a higher dividend yield, FDIS or MGK?

FDIS has the higher dividend yield at 0.73%, compared with 0.33% for MGK.

What is the main difference between FDIS and MGK?

FDIS is categorized as Consumer Discretionary Equities, while MGK is Large Cap Growth Equities. FDIS tracks MSCI USA IMI Consumer Discretionary Index, while MGK tracks CRSP US Mega Cap Growth Index. They also come from different issuers: Fidelity and Vanguard. Their fees differ too: 0.08% for FDIS and 0.05% for MGK.

Which has better risk-adjusted returns?

MGK currently has the higher Sharpe Ratio (1.37 vs 0.61), 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.