VOO vs. E

Last updated Jun 13, 2026

VOO (Vanguard S&P 500 ETF) is S&P 500 fund tracking the S&P 500 Index, while E (Eni S.p.A.) is a stock. Over the past 10 years, VOO returned 15.50%/yr vs 12.46%/yr for E. A 0.50 correlation means they provide meaningful diversification when combined.

Performance

VOO vs. E - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard S&P 500 ETF (VOO) and Eni S.p.A. (E). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VOO achieves a 9.08% return, which is significantly lower than E's 44.27% return. Over the past 10 years, VOO has outperformed E with an annualized return of 15.50%, while E has yielded a comparatively lower 12.46% annualized return.

VOO

• 1D: 0.55%
• 1M: -0.07%
• YTD: 9.08%
• 6M: 9.44%
• 1Y: 24.36%
• 3Y*: 20.95%
• 5Y*: 13.43%
• 10Y*: 15.50%

E

• 1D: -1.04%
• 1M: -2.55%
• YTD: 44.27%
• 6M: 45.57%
• 1Y: 75.29%
• 3Y*: 32.48%
• 5Y*: 23.85%
• 10Y*: 12.46%

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

VOO vs. E - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VOO Vanguard S&P 500 ETF	9.08%	17.82%	24.98%	26.32%	-18.17%	28.79%	18.32%	31.37%	-4.50%	21.77%
E Eni S.p.A.	44.27%	48.40%	-13.95%	26.73%	10.92%	43.12%	-28.73%	4.29%	-0.98%	7.27%

Correlation

The correlation between VOO and E is 0.01, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.01
Correlation (3Y) Calculated over the trailing 3-year period	0.17
Correlation (5Y) Calculated over the trailing 5-year period	0.30
Correlation (10Y) Calculated over the trailing 10-year period	0.39
Correlation (All Time) Calculated using the full available price history since Sep 9, 2010	0.50

Over the past year, the correlation between VOO and E has dropped to 0.01 - well below their long-term average of 0.50, suggesting their price drivers have been diverging.

Return for Risk

VOO vs. E — Risk / Return Rank

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

VOO

VOO Risk / Return Rank: 70
VOO Sharpe Ratio Rank: 71
VOO Sortino Ratio Rank: 69
VOO Omega Ratio Rank: 71
VOO Calmar Ratio Rank: 63
VOO Martin Ratio Rank: 76

E

E Risk / Return Rank: 96
E Sharpe Ratio Rank: 97
E Sortino Ratio Rank: 95
E Omega Ratio Rank: 95
E Calmar Ratio Rank: 97
E Martin Ratio Rank: 98

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.

VOO vs. E - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard S&P 500 ETF (VOO) and Eni S.p.A. (E). 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.

	VOO	E	Difference
Sharpe ratio: Return per unit of total volatility	1.99	3.34	-1.34
Sortino ratio: Return per unit of downside risk	2.70	3.93	-1.23
Omega ratio: Gain probability vs. loss probability	1.36	1.53	-0.17
Calmar ratio: Return relative to maximum drawdown	2.75	8.14	-5.39
Martin ratio: Return relative to average drawdown	12.42	26.54	-14.12

VOO vs. E - Sharpe Ratio Comparison

The current VOO Sharpe Ratio is 1.99, which is lower than the E Sharpe Ratio of 3.34. The chart below compares the historical Sharpe Ratios of VOO and E, 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

VOO vs. E - Drawdown Comparison

The maximum VOO drawdown since its inception was -33.99%, smaller than the maximum E drawdown of -70.53%. Use the drawdown chart below to compare losses from any high point for VOO and E.

Drawdown Indicators

	VOO	E	Difference
Max Drawdown Largest peak-to-trough decline	-33.99%	-70.53%	+36.54%
Max Drawdown (1Y) Largest decline over 1 year	-8.90%	-9.30%	+0.40%
Max Drawdown (3Y) Largest decline over 3 years	-18.69%	-20.13%	+1.44%
Max Drawdown (5Y) Largest decline over 5 years	-24.52%	-33.71%	+9.19%
Max Drawdown (10Y) Largest decline over 10 years	-33.99%	-61.59%	+27.60%
Current Drawdown Current decline from peak	-2.34%	-6.08%	+3.74%
Average Drawdown Average peak-to-trough decline	-3.68%	-23.07%	+19.39%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.97%	2.85%	-0.88%

Volatility

VOO vs. E - Volatility Comparison

The current volatility for Vanguard S&P 500 ETF (VOO) is 4.34%, while Eni S.p.A. (E) has a volatility of 6.01%. This indicates that VOO experiences smaller price fluctuations and is considered to be less risky than E based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VOO	E	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.34%	6.01%	-1.67%
Volatility (6M) Calculated over the trailing 6-month period	9.58%	19.56%	-9.98%
Volatility (1Y) Calculated over the trailing 1-year period	12.27%	22.72%	-10.45%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.88%	25.04%	-8.16%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.03%	28.30%	-10.27%

Dividends

VOO vs. E - Dividend Comparison

VOO's dividend yield for the trailing twelve months is around 1.05%, less than E's 4.50% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
E Eni S.p.A.	4.50%	5.88%	7.69%	5.74%	6.38%	5.79%	5.91%	6.11%	5.15%	3.96%	3.98%	5.14%
VOO Vanguard S&P 500 ETF	1.05%	1.13%	1.24%	1.46%	1.69%	1.25%	1.54%	1.88%	2.06%	1.78%	2.02%	2.10%

Frequently Asked Questions

Can I hold both VOO and E in my portfolio?

VOO and E have a correlation of 0.01, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VOO or E?

E has higher volatility (6.01%) compared to VOO (4.34%). In terms of maximum drawdown, VOO dropped -33.99% vs E's -70.53%.

Which has better risk-adjusted returns?

E currently has the higher Sharpe Ratio (3.34 vs 1.99), 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.