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ALT vs. VOO
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between ALT and VOO is 0.20, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.


-0.50.00.51.00.2

Performance

ALT vs. VOO - Performance Comparison

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

-10.00%0.00%10.00%20.00%30.00%40.00%50.00%AugustSeptemberOctoberNovemberDecember2025
7.41%
8.46%
ALT
VOO

Key characteristics

Sharpe Ratio

ALT:

-0.41

VOO:

2.21

Sortino Ratio

ALT:

-0.08

VOO:

2.92

Omega Ratio

ALT:

0.99

VOO:

1.41

Calmar Ratio

ALT:

-0.39

VOO:

3.34

Martin Ratio

ALT:

-0.88

VOO:

14.07

Ulcer Index

ALT:

43.94%

VOO:

2.01%

Daily Std Dev

ALT:

94.72%

VOO:

12.80%

Max Drawdown

ALT:

-99.94%

VOO:

-33.99%

Current Drawdown

ALT:

-99.75%

VOO:

-1.36%

Returns By Period

In the year-to-date period, ALT achieves a -4.85% return, which is significantly lower than VOO's 1.98% return. Over the past 10 years, ALT has underperformed VOO with an annualized return of -34.21%, while VOO has yielded a comparatively higher 13.52% annualized return.


ALT

YTD

-4.85%

1M

-16.85%

6M

7.69%

1Y

-25.84%

5Y*

27.76%

10Y*

-34.21%

VOO

YTD

1.98%

1M

2.24%

6M

9.59%

1Y

27.12%

5Y*

14.29%

10Y*

13.52%

*Annualized

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.


Risk-Adjusted Performance

ALT vs. VOO — Risk-Adjusted Performance Rank

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

ALT
The Risk-Adjusted Performance Rank of ALT is 2626
Overall Rank
The Sharpe Ratio Rank of ALT is 2424
Sharpe Ratio Rank
The Sortino Ratio Rank of ALT is 2929
Sortino Ratio Rank
The Omega Ratio Rank of ALT is 3030
Omega Ratio Rank
The Calmar Ratio Rank of ALT is 2323
Calmar Ratio Rank
The Martin Ratio Rank of ALT is 2626
Martin Ratio Rank

VOO
The Risk-Adjusted Performance Rank of VOO is 8383
Overall Rank
The Sharpe Ratio Rank of VOO is 8383
Sharpe Ratio Rank
The Sortino Ratio Rank of VOO is 8080
Sortino Ratio Rank
The Omega Ratio Rank of VOO is 8383
Omega Ratio Rank
The Calmar Ratio Rank of VOO is 8282
Calmar Ratio Rank
The Martin Ratio Rank of VOO is 8585
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

ALT vs. VOO - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Altimmune, Inc. (ALT) and Vanguard S&P 500 ETF (VOO). 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.


Sharpe ratio
The chart of Sharpe ratio for ALT, currently valued at -0.41, compared to the broader market-2.000.002.004.00-0.412.21
The chart of Sortino ratio for ALT, currently valued at -0.08, compared to the broader market-4.00-2.000.002.004.00-0.082.92
The chart of Omega ratio for ALT, currently valued at 0.99, compared to the broader market0.501.001.502.000.991.41
The chart of Calmar ratio for ALT, currently valued at -0.39, compared to the broader market0.002.004.006.00-0.393.34
The chart of Martin ratio for ALT, currently valued at -0.88, compared to the broader market-10.000.0010.0020.0030.00-0.8814.07
ALT
VOO

The current ALT Sharpe Ratio is -0.41, which is lower than the VOO Sharpe Ratio of 2.21. The chart below compares the historical Sharpe Ratios of ALT and VOO, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio0.001.002.003.004.00AugustSeptemberOctoberNovemberDecember2025
-0.41
2.21
ALT
VOO

Dividends

ALT vs. VOO - Dividend Comparison

ALT has not paid dividends to shareholders, while VOO's dividend yield for the trailing twelve months is around 1.22%.


TTM20242023202220212020201920182017201620152014
ALT
Altimmune, Inc.
0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%4.87%0.00%0.00%0.00%
VOO
Vanguard S&P 500 ETF
1.22%1.24%1.46%1.69%1.25%1.54%1.88%2.06%1.78%2.02%2.10%1.85%

Drawdowns

ALT vs. VOO - Drawdown Comparison

The maximum ALT drawdown since its inception was -99.94%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for ALT and VOO. For additional features, visit the drawdowns tool.


-100.00%-80.00%-60.00%-40.00%-20.00%0.00%AugustSeptemberOctoberNovemberDecember2025
-99.47%
-1.36%
ALT
VOO

Volatility

ALT vs. VOO - Volatility Comparison

Altimmune, Inc. (ALT) has a higher volatility of 19.75% compared to Vanguard S&P 500 ETF (VOO) at 5.05%. This indicates that ALT's price experiences larger fluctuations and is considered to be riskier than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


0.00%10.00%20.00%30.00%40.00%AugustSeptemberOctoberNovemberDecember2025
19.75%
5.05%
ALT
VOO
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Disclaimer

The information contained herein does not constitute investment advice and made available for educational purposes only. Prices and returns on equities are listed without consideration of fees, commissions, taxes, penalties, or interest payable due to purchasing, holding, or selling.

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