Compare/Updated Oct 26, 2026, refreshed every trading day
MGK vs VOO
Vanguard Morningstar Mega Cap Growth ETF against Vanguard S&P 500 ETF: 4 years of returns, risk and today’s technical read, from Kavout’s own data.
MGK did better over the period: $1,000 invested on October 28, 2022 would be worth $2,470 versus $2,065 for VOO, a 147.0% gain compared with 106.5%. MGK’s stronger result reflects its heavier concentration in mega-cap growth stocks and higher sensitivity to VOO’s movements: it moved 1.30% for each 1% move in VOO, with a 0.948 correlation. The trade-off was greater risk. MGK’s 12-month volatility was 18.5% versus 12.7% for VOO, and its worst drawdown was -23.4% versus -18.7%. MGK also outperformed in 29 of the last 48 months, while VOO won 19. VOO may suit investors prioritizing broader diversification, lower volatility, and a lower expense ratio (0.03% versus 0.05%); MGK delivered the stronger return but with larger fluctuations.
- Price is above its 200-day average ($85); 50-day at $91.
- RSI 36, neutral. Supertrend says sell. ADX 25, so the trend is strong.
- Price is above its 200-day average ($665); 50-day at $705.
- RSI 42, neutral. Supertrend says sell. ADX 14, so the trend is weak.
Head to head
Which has returned more, MGK or VOO?
MGK beat VOO in 29 of the last 48 months; VOO won the other 19. The typical monthly gap was 1.62 points.
Total return by period
Which is riskier?
Both: Feb 19, 2025 to Apr 8, 2025
- 0.948
- correlation of daily moves, 4 years
- 1.30
- MGK move per 1% in VOO
- 0.940
- correlation, last 12 months
Month by month
Of the last 48 months. The typical gap was 1.62 points.
When did they diverge?
| Month | MGK | VOO | Gap |
|---|---|---|---|
| May 2023 | +6.1% | +0.5% | +5.59 pts |
| March 2023 | +9.1% | +3.7% | +5.36 pts |
| January 2023 | +10.7% | +6.3% | +4.44 pts |
| June 2024 | +7.5% | +3.6% | +3.93 pts |
Where the numbers come from. 1000 daily adjusted closes per fund from the Kavout market-data API, dividends included. Signals and indicators are Kavout’s own, refreshed nightly. Every figure is calculated from those adjusted closes.
Holdings and fees
What do you actually own with MGK and VOO?
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