ALT vs. IMUX

Last updated Jun 23, 2026

ALT (Altimmune, Inc.) and IMUX (Immunic, Inc.) are both stocks. Both operate in the Biotechnology industry within the Healthcare sector. Over the past 10 years, ALT returned -28.57%/yr vs -40.43%/yr for IMUX. At a 0.22 correlation, their price movements are largely independent.

Performance

ALT vs. IMUX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Altimmune, Inc. (ALT) and Immunic, Inc. (IMUX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ALT achieves a -18.84% return, which is significantly lower than IMUX's 176.37% return. Over the past 10 years, ALT has outperformed IMUX with an annualized return of -28.57%, while IMUX has yielded a comparatively lower -40.43% annualized return.

ALT

• 1D: 8.52%
• 1M: 1.03%
• YTD: -18.84%
• 6M: -29.23%
• 1Y: -58.32%
• 3Y*: -9.17%
• 5Y*: -28.96%
• 10Y*: -28.57%

IMUX

• 1D: 3.87%
• 1M: 13.03%
• YTD: 176.37%
• 6M: 144.49%
• 1Y: 104.86%
• 3Y*: -0.56%
• 5Y*: -34.36%
• 10Y*: -40.43%

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

ALT vs. IMUX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ALT Altimmune, Inc.	-18.84%	-49.93%	-35.91%	-31.61%	79.59%	-18.79%	496.83%	-8.25%	-96.55%	-47.79%
IMUX Immunic, Inc.	176.37%	-46.63%	-33.33%	7.14%	-85.37%	-37.41%	57.63%	30.17%	-96.87%	36.78%

Correlation

The correlation between ALT and IMUX is 0.28, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.28
Correlation (3Y) Calculated over the trailing 3-year period	0.32
Correlation (5Y) Calculated over the trailing 5-year period	0.31
Correlation (10Y) Calculated over the trailing 10-year period	0.23
Correlation (All Time) Calculated using the full available price history since Apr 17, 2014	0.22

The correlation between ALT and IMUX shifts across timeframes, from 0.22 (all time) to 0.32 (3 years), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap ALT : $364.67M IMUX : $444.51M
EPS ALT : -$0.92 IMUX : -$5.33
PB Ratio ALT : 1.28 IMUX : 2.94
Total Revenue (TTM) ALT : $36.00K IMUX : $0.00
Gross Profit (TTM) ALT : -$14.92M IMUX : -$42.00K
EBITDA (TTM) ALT : -$93.48M IMUX : -$105.11M

Return for Risk

ALT vs. IMUX — Risk / Return Rank

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

ALT

ALT Risk / Return Rank: 15
ALT Sharpe Ratio Rank: 14
ALT Sortino Ratio Rank: 20
ALT Omega Ratio Rank: 17
ALT Calmar Ratio Rank: 8
ALT Martin Ratio Rank: 16

IMUX

IMUX Risk / Return Rank: 75
IMUX Sharpe Ratio Rank: 78
IMUX Sortino Ratio Rank: 77
IMUX Omega Ratio Rank: 72
IMUX Calmar Ratio Rank: 75
IMUX Martin Ratio Rank: 72

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.

ALT vs. IMUX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Altimmune, Inc. (ALT) and Immunic, Inc. (IMUX). 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.

	ALT	IMUX	Difference
Sharpe ratio: Return per unit of total volatility	-0.65	1.29	-1.94
Sortino ratio: Return per unit of downside risk	-0.52	2.06	-2.58
Omega ratio: Gain probability vs. loss probability	0.91	1.23	-0.32
Calmar ratio: Return relative to maximum drawdown	-0.88	1.94	-2.82
Martin ratio: Return relative to average drawdown	-1.16	3.86	-5.02

ALT vs. IMUX - Sharpe Ratio Comparison

The current ALT Sharpe Ratio is -0.65, which is lower than the IMUX Sharpe Ratio of 1.29. The chart below compares the historical Sharpe Ratios of ALT and IMUX, 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

ALT vs. IMUX - Drawdown Comparison

The maximum ALT drawdown since its inception was -99.63%, roughly equal to the maximum IMUX drawdown of -99.96%. Use the drawdown chart below to compare losses from any high point for ALT and IMUX.

Drawdown Indicators

	ALT	IMUX	Difference
Max Drawdown Largest peak-to-trough decline	-99.63%	-99.96%	+0.33%
Max Drawdown (1Y) Largest decline over 1 year	-66.41%	-54.45%	-11.96%
Max Drawdown (3Y) Largest decline over 3 years	-81.25%	-82.22%	+0.97%
Max Drawdown (5Y) Largest decline over 5 years	-90.45%	-96.42%	+5.97%
Max Drawdown (10Y) Largest decline over 10 years	-99.63%	-99.86%	+0.23%
Current Drawdown Current decline from peak	-99.29%	-99.89%	+0.60%
Average Drawdown Average peak-to-trough decline	-78.91%	-87.39%	+8.48%
Ulcer Index Depth and duration of drawdowns from previous peaks	50.09%	27.29%	+22.80%

Volatility

ALT vs. IMUX - Volatility Comparison

The current volatility for Altimmune, Inc. (ALT) is 14.12%, while Immunic, Inc. (IMUX) has a volatility of 24.45%. This indicates that ALT experiences smaller price fluctuations and is considered to be less risky than IMUX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ALT	IMUX	Difference
Volatility (1M) Calculated over the trailing 1-month period	14.12%	24.45%	-10.33%
Volatility (6M) Calculated over the trailing 6-month period	60.60%	66.33%	-5.73%
Volatility (1Y) Calculated over the trailing 1-year period	90.63%	81.93%	+8.70%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	94.20%	98.28%	-4.08%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	149.74%	117.71%	+32.03%

Dividends

ALT vs. IMUX - Dividend Comparison

Neither ALT nor IMUX has paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
ALT Altimmune, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	1,462.31%
IMUX Immunic, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Financials

Frequently Asked Questions

Can I hold both ALT and IMUX in my portfolio?

ALT and IMUX have a correlation of 0.28, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ALT or IMUX?

IMUX has higher volatility (24.45%) compared to ALT (14.12%). In terms of maximum drawdown, ALT dropped -99.63% vs IMUX's -99.96%.

Which has better risk-adjusted returns?

IMUX currently has the higher Sharpe Ratio (1.29 vs -0.65), 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.