VOOG vs. AZN

Last updated Jun 9, 2026

VOOG (Vanguard S&P 500 Growth ETF) is S&P 500 fund tracking the S&P 500 Growth Index, while AZN (AstraZeneca PLC) is a stock. Over the past 10 years, VOOG returned 17.80%/yr vs 15.85%/yr for AZN. At a 0.38 correlation, their price movements are largely independent.

Performance

VOOG vs. AZN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard S&P 500 Growth ETF (VOOG) and AstraZeneca PLC (AZN). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VOOG achieves a 10.10% return, which is significantly higher than AZN's 0.81% return. Over the past 10 years, VOOG has outperformed AZN with an annualized return of 17.80%, while AZN has yielded a comparatively lower 15.85% annualized return.

VOOG

• 1D: 0.65%
• 1M: -0.20%
• YTD: 10.10%
• 6M: 9.55%
• 1Y: 29.06%
• 3Y*: 26.66%
• 5Y*: 15.20%
• 10Y*: 17.80%

AZN

• 1D: -2.37%
• 1M: -0.71%
• YTD: 0.81%
• 6M: 1.53%
• 1Y: 28.04%
• 3Y*: 9.54%
• 5Y*: 12.08%
• 10Y*: 15.85%

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

VOOG vs. AZN - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VOOG Vanguard S&P 500 Growth ETF	10.10%	22.11%	35.89%	29.96%	-29.48%	31.95%	33.35%	30.93%	-0.21%	27.19%
AZN AstraZeneca PLC	0.81%	43.30%	-0.62%	1.44%	19.14%	19.66%	3.12%	35.68%	13.86%	33.10%

Correlation

The correlation between VOOG and AZN is 0.14, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.14
Correlation (3Y) Calculated over the trailing 3-year period	0.16
Correlation (5Y) Calculated over the trailing 5-year period	0.20
Correlation (10Y) Calculated over the trailing 10-year period	0.28
Correlation (All Time) Calculated using the full available price history since Sep 10, 2010	0.38

Over the past year, the correlation between VOOG and AZN has dropped to 0.14 - well below their long-term average of 0.38, suggesting their price drivers have been diverging.

Return for Risk

VOOG vs. AZN — Risk / Return Rank

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

VOOG

VOOG Risk / Return Rank: 55
VOOG Sharpe Ratio Rank: 59
VOOG Sortino Ratio Rank: 56
VOOG Omega Ratio Rank: 56
VOOG Calmar Ratio Rank: 47
VOOG Martin Ratio Rank: 55

AZN

AZN Risk / Return Rank: 73
AZN Sharpe Ratio Rank: 75
AZN Sortino Ratio Rank: 73
AZN Omega Ratio Rank: 69
AZN Calmar Ratio Rank: 74
AZN Martin Ratio Rank: 76

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.

VOOG vs. AZN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard S&P 500 Growth ETF (VOOG) and AstraZeneca PLC (AZN). 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.

	VOOG	AZN	Difference
Sharpe ratio: Return per unit of total volatility	1.79	1.11	+0.68
Sortino ratio: Return per unit of downside risk	2.41	1.83	+0.58
Omega ratio: Gain probability vs. loss probability	1.31	1.21	+0.10
Calmar ratio: Return relative to maximum drawdown	2.13	1.83	+0.29
Martin ratio: Return relative to average drawdown	8.74	4.90	+3.84
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VOOG vs. AZN - Sharpe Ratio Comparison

The current VOOG Sharpe Ratio is 1.79, which is higher than the AZN Sharpe Ratio of 1.11. The chart below compares the historical Sharpe Ratios of VOOG and AZN, 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

	VOOG	AZN	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.79	1.11	+0.68
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.72	0.51	+0.21
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.86	0.64	+0.22
Sharpe Ratio (All Time) Calculated using the full available price history	0.89	0.49	+0.40

Drawdowns

VOOG vs. AZN - Drawdown Comparison

The maximum VOOG drawdown since its inception was -32.73%, smaller than the maximum AZN drawdown of -48.94%. Use the drawdown chart below to compare losses from any high point for VOOG and AZN.

Drawdown Indicators

	VOOG	AZN	Difference
Max Drawdown Largest peak-to-trough decline	-32.73%	-48.94%	+16.21%
Max Drawdown (1Y) Largest decline over 1 year	-13.71%	-15.43%	+1.72%
Max Drawdown (3Y) Largest decline over 3 years	-22.18%	-27.87%	+5.69%
Max Drawdown (5Y) Largest decline over 5 years	-32.73%	-27.87%	-4.86%
Max Drawdown (10Y) Largest decline over 10 years	-32.73%	-27.87%	-4.86%
Current Drawdown Current decline from peak	-4.28%	-12.90%	+8.62%
Average Drawdown Average peak-to-trough decline	-4.97%	-11.37%	+6.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.33%	5.75%	-2.42%

Volatility

VOOG vs. AZN - Volatility Comparison

The current volatility for Vanguard S&P 500 Growth ETF (VOOG) is 5.61%, while AstraZeneca PLC (AZN) has a volatility of 7.42%. This indicates that VOOG experiences smaller price fluctuations and is considered to be less risky than AZN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VOOG	AZN	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.61%	7.42%	-1.81%
Volatility (6M) Calculated over the trailing 6-month period	13.04%	17.47%	-4.43%
Volatility (1Y) Calculated over the trailing 1-year period	16.31%	25.55%	-9.24%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.25%	24.02%	-2.77%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.77%	24.94%	-4.17%

Dividends

VOOG vs. AZN - Dividend Comparison

VOOG's dividend yield for the trailing twelve months is around 0.45%, less than AZN's 2.93% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AZN AstraZeneca PLC	2.93%	1.70%	2.27%	2.15%	2.12%	2.35%	2.80%	2.81%	3.69%	3.95%	5.01%	4.06%
VOOG Vanguard S&P 500 Growth ETF	0.45%	0.49%	0.49%	1.12%	0.93%	0.53%	0.88%	1.26%	1.34%	1.32%	1.47%	1.56%

Frequently Asked Questions

Can I hold both VOOG and AZN in my portfolio?

VOOG and AZN have a correlation of 0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VOOG or AZN?

AZN has higher volatility (7.42%) compared to VOOG (5.61%). In terms of maximum drawdown, VOOG dropped -32.73% vs AZN's -48.94%.

Which has better risk-adjusted returns?

VOOG currently has the higher Sharpe Ratio (1.79 vs 1.11), 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.