KLG vs. MGK

Last updated Apr 1, 2026

Compare and contrast key facts about WK Kellogg Co (KLG) and Vanguard Mega Cap Growth ETF (MGK).

MGK is a passively managed fund by Vanguard that tracks the performance of the CRSP US Mega Cap Growth Index. It was launched on Dec 17, 2007.

Performance

KLG vs. MGK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in WK Kellogg Co (KLG) and Vanguard Mega Cap Growth ETF (MGK). The values are adjusted to include any dividend payments, if applicable.

KLG vs. MGK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
KLG WK Kellogg Co	0.00%	0.00%	0.00%	-21.47%
MGK Vanguard Mega Cap Growth ETF	-10.90%	20.67%	32.94%	15.49%

Returns By Period

KLG

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

MGK

• 1D: 3.95%
• 1M: -4.96%
• YTD: -10.90%
• 6M: -8.52%
• 1Y: 19.40%
• 3Y*: 22.12%
• 5Y*: 12.38%
• 10Y*: 16.84%

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

Return for Risk

KLG vs. MGK — Risk / Return Rank

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

MGK

MGK Risk / Return Rank: 51
MGK Sharpe Ratio Rank: 50
MGK Sortino Ratio Rank: 56
MGK Omega Ratio Rank: 54
MGK Calmar Ratio Rank: 51
MGK Martin Ratio Rank: 46

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.

KLG vs. MGK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for WK Kellogg Co (KLG) 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	KLG	MGK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	0.84	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.55	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.77	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	0.60	—

Correlation

The correlation between KLG and MGK is -0.04. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.

Dividends

KLG vs. MGK - Dividend Comparison

KLG has not paid dividends to shareholders, while MGK's dividend yield for the trailing twelve months is around 0.39%.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
KLG WK Kellogg Co	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
MGK Vanguard Mega Cap Growth ETF	0.39%	0.35%	0.43%	0.50%	0.70%	0.41%	0.65%	0.85%	1.12%	1.23%	1.53%	1.43%

Drawdowns

Drawdown Indicators

	KLG	MGK	Difference
Max Drawdown Largest peak-to-trough decline	—	-47.97%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-16.85%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-36.01%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-36.01%	—
Current Drawdown Current decline from peak	—	-13.57%	—
Average Drawdown Average peak-to-trough decline	—	-7.51%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	4.81%	—

Volatility

Volatility by Period

	KLG	MGK	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	7.01%	—
Volatility (6M) Calculated over the trailing 6-month period	—	12.88%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	23.33%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	22.64%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	21.82%	—