ALT vs. BLNK

Last updated Jun 23, 2026

ALT (Altimmune, Inc.) and BLNK (Blink Charging Co.) are both stocks. ALT operates in Biotechnology (Healthcare), while BLNK operates in Specialty Retail (Consumer Cyclical). Over the past 5 years, ALT returned -28.96%/yr vs -56.07%/yr for BLNK. At a 0.27 correlation, their price movements are largely independent.

Performance

ALT vs. BLNK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Altimmune, Inc. (ALT) and Blink Charging Co. (BLNK). 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 BLNK's -2.16% 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%

BLNK

• 1D: 0.40%
• 1M: -20.43%
• YTD: -2.16%
• 6M: -12.99%
• 1Y: -29.90%
• 3Y*: -51.33%
• 5Y*: -56.07%
• 10Y*: —

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

ALT vs. BLNK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
ALT Altimmune, Inc.	-18.84%	-49.93%	-35.91%	-31.61%	79.59%	-18.79%	496.83%	-8.25%	-95.42%
BLNK Blink Charging Co.	-2.16%	-52.01%	-59.00%	-69.10%	-58.62%	-37.99%	2,198.39%	8.14%	-80.61%

Correlation

The correlation between ALT and BLNK is 0.34, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.34
Correlation (3Y) Calculated over the trailing 3-year period	0.34
Correlation (5Y) Calculated over the trailing 5-year period	0.36
Correlation (All Time) Calculated using the full available price history since Feb 13, 2018	0.27

Fundamentals

Market Cap ALT : $364.67M BLNK : $93.43M
EPS ALT : -$0.92 BLNK : -$0.63
PS Ratio ALT : 8.06K BLNK : 0.74
PB Ratio ALT : 1.28 BLNK : 1.73
Total Revenue (TTM) ALT : $36.00K BLNK : $103.40M
Gross Profit (TTM) ALT : -$14.92M BLNK : $24.62M
EBITDA (TTM) ALT : -$93.48M BLNK : -$58.57M

Return for Risk

ALT vs. BLNK — 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

BLNK

BLNK Risk / Return Rank: 32
BLNK Sharpe Ratio Rank: 29
BLNK Sortino Ratio Rank: 35
BLNK Omega Ratio Rank: 34
BLNK Calmar Ratio Rank: 29
BLNK Martin Ratio Rank: 32

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. BLNK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Altimmune, Inc. (ALT) and Blink Charging Co. (BLNK). 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	BLNK	Difference
Sharpe ratio: Return per unit of total volatility	-0.65	-0.31	-0.33
Sortino ratio: Return per unit of downside risk	-0.52	0.15	-0.67
Omega ratio: Gain probability vs. loss probability	0.91	1.02	-0.10
Calmar ratio: Return relative to maximum drawdown	-0.88	-0.38	-0.51
Martin ratio: Return relative to average drawdown	-1.16	-0.55	-0.61

ALT vs. BLNK - Sharpe Ratio Comparison

The current ALT Sharpe Ratio is -0.65, which is lower than the BLNK Sharpe Ratio of -0.31. The chart below compares the historical Sharpe Ratios of ALT and BLNK, 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. BLNK - Drawdown Comparison

The maximum ALT drawdown since its inception was -99.63%, roughly equal to the maximum BLNK drawdown of -99.17%. Use the drawdown chart below to compare losses from any high point for ALT and BLNK.

Drawdown Indicators

	ALT	BLNK	Difference
Max Drawdown Largest peak-to-trough decline	-99.63%	-99.17%	-0.46%
Max Drawdown (1Y) Largest decline over 1 year	-66.41%	-79.94%	+13.53%
Max Drawdown (3Y) Largest decline over 3 years	-81.25%	-92.69%	+11.44%
Max Drawdown (5Y) Largest decline over 5 years	-90.45%	-98.93%	+8.48%
Max Drawdown (10Y) Largest decline over 10 years	-99.63%	—	—
Current Drawdown Current decline from peak	-99.29%	-98.93%	-0.36%
Average Drawdown Average peak-to-trough decline	-78.91%	-73.53%	-5.38%
Ulcer Index Depth and duration of drawdowns from previous peaks	50.09%	54.36%	-4.27%

Volatility

ALT vs. BLNK - Volatility Comparison

The current volatility for Altimmune, Inc. (ALT) is 14.12%, while Blink Charging Co. (BLNK) has a volatility of 16.29%. This indicates that ALT experiences smaller price fluctuations and is considered to be less risky than BLNK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ALT	BLNK	Difference
Volatility (1M) Calculated over the trailing 1-month period	14.12%	16.29%	-2.17%
Volatility (6M) Calculated over the trailing 6-month period	60.60%	63.22%	-2.62%
Volatility (1Y) Calculated over the trailing 1-year period	90.63%	96.32%	-5.69%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	94.20%	83.12%	+11.08%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	149.74%	121.19%	+28.55%

Dividends

ALT vs. BLNK - Dividend Comparison

Neither ALT nor BLNK 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%
BLNK Blink Charging Co.	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 BLNK in my portfolio?

ALT and BLNK have a correlation of 0.34, 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 BLNK?

BLNK has higher volatility (16.29%) compared to ALT (14.12%). In terms of maximum drawdown, ALT dropped -99.63% vs BLNK's -99.17%.

Which has better risk-adjusted returns?

BLNK currently has the higher Sharpe Ratio (-0.31 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.