Basis: FMP quote price / unrounded diluted EPS from four consecutive issuer fiscal quarters. Source: stored company filings and market data; unavailable inputs remain N/A.

The P/E ratio is N/A as of 2026-10-06T16:25:40.089Z.

Stored calculation inputs

Calculation as of: 2026-10-06T16:25:40.089Z.

Quote observation: 2026-10-06T16:25:15.000Z. Amounts in USD. The price header may show a later quote.

Quote price: 2.67
Unrounded diluted TTM EPS · period ending 2026-06-30: -0.78

FMP input reference: 3eea2ebb4dfb8ae449a8fc068c41cc3e6d53bf63d9a404ece64f578f5b067b33

Forward PE Ratio|PEG Ratio|P/B Ratio|EPS|All Metrics

ALT PE Ratio Metrics

PE RATIO

N/A

PE RATIO AVG TTM

N/A

PE RATIO AVG 3Y

N/A

PE RATIO AVG 5Y

N/A

PE RATIO AVG 10Y

N/A

PE RATIO AVG 15Y

N/A

PE RATIO AVG 20Y

N/A

CURRENT VS TTM AVG

N/A

CURRENT VS 3Y AVG

N/A

CURRENT VS 5Y AVG

N/A

CURRENT VS 10Y AVG

N/A

CURRENT VS 15Y AVG

N/A

CURRENT VS 20Y AVG

N/A

ALT Competitors' PE Ratio

ALT

Altimmune, Inc.

Current

Market Cap

$519.25M

PE Ratio

N/A

TTM Avg

N/A

3Y Avg

N/A

5Y Avg

N/A

CBIO

Crescent Biopharma, Inc.

vs ALT

Market Cap

$520.39M

PE Ratio

N/A

TTM Avg

N/A

3Y Avg

N/A

5Y Avg

N/A

MNPR

Monopar Therapeutics Inc.

vs ALT

Market Cap

$522.68M

PE Ratio

N/A

TTM Avg

N/A

3Y Avg

N/A

5Y Avg

N/A

MASS

908 Devices Inc.

vs ALT

Market Cap

$511.14M

PE Ratio

N/A

TTM Avg

12.07

3Y Avg

12.07

5Y Avg

12.07

IMMX

Immix Biopharma, Inc.

vs ALT

Market Cap

$528.79M

PE Ratio

N/A

TTM Avg

N/A

3Y Avg

N/A

5Y Avg

N/A

ALLO

Allogene Therapeutics, Inc.

vs ALT

Market Cap

$502.20M

PE Ratio

N/A

TTM Avg

N/A

3Y Avg

N/A

5Y Avg

N/A

PROK

ProKidney Corp.

vs ALT

Market Cap

$534.64M

PE Ratio

N/A

TTM Avg

N/A

3Y Avg

N/A

5Y Avg

N/A

DCTH

Delcath Systems, Inc.

vs ALT

Market Cap

$539.58M

PE Ratio

1202.32

TTM Avg

806.49

3Y Avg

715.80

5Y Avg

715.80

PHAT

Phathom Pharmaceuticals, Inc.

vs ALT

Market Cap

$540.01M

PE Ratio

N/A

TTM Avg

N/A

3Y Avg

N/A

5Y Avg

N/A

OCS

Oculis Holding AG

vs ALT

Market Cap

$497.32M

PE Ratio

N/A

TTM Avg

N/A

3Y Avg

N/A

5Y Avg

N/A

NAME	MARKET CAP	PE RATIO	TTM	3Y	5Y
Altimmune, Inc. (ALT)	$519.25M	N/A	N/A	N/A	N/A
Crescent Biopharma, Inc. (CBIO)vs ›	$520.39M	N/A	N/A	N/A	N/A
Monopar Therapeutics Inc. (MNPR)vs ›	$522.68M	N/A	N/A	N/A	N/A
908 Devices Inc. (MASS)vs ›	$511.14M	N/A	12.07	12.07	12.07
Immix Biopharma, Inc. (IMMX)vs ›	$528.79M	N/A	N/A	N/A	N/A
Allogene Therapeutics, Inc. (ALLO)vs ›	$502.20M	N/A	N/A	N/A	N/A
ProKidney Corp. (PROK)vs ›	$534.64M	N/A	N/A	N/A	N/A
Delcath Systems, Inc. (DCTH)vs ›	$539.58M	1202.32	806.49	715.80	715.80
Phathom Pharmaceuticals, Inc. (PHAT)vs ›	$540.01M	N/A	N/A	N/A	N/A
Oculis Holding AG (OCS)vs ›	$497.32M	N/A	N/A	N/A	N/A

P/E Comparison

Trailing P/E

N/A

Forward P/E

N/A

Forward P/E Calculation

View All Analyst Estimates

Forward P/E is calculated using analyst consensus EPS estimates for the current or next fiscal year.

Calculation:

Current Price

$2.67

÷

Forward EPS (Est.)

$-0.58

=

Forward P/E

N/A

Source: FMP Analyst Consensus Estimates. Forward EPS represents the average analyst estimate for the nearest fiscal year.

PE Ratio Formula & Definition

PE Ratio = Share Price / Diluted EPS (TTM)

The price-to-earnings ratio measures how much investors pay for each dollar of trailing earnings. A lower PE can indicate a cheaper valuation; a higher PE implies higher growth expectations.

Expanded definitions: Investopedia, Wikipedia, Corporate Finance Institute

ALT PE Ratio History

DATE	PE RATIO
2018-03-29	0.13
2018-03-28	0.12
2018-03-27	0.14
2018-03-26	0.17
2018-03-23	0.17
2018-03-22	0.17
2018-03-21	0.18
2018-03-20	0.18
2018-03-19	0.19
2018-03-16	0.18
2018-03-15	0.19
2018-03-14	0.19
2018-03-13	0.20
2018-03-12	0.20
2018-03-09	0.20
2018-03-08	0.19
2018-03-07	0.18
2018-03-06	0.17
2018-03-05	0.18
2018-03-02	0.18
2018-03-01	0.18
2018-02-28	0.18
2018-02-27	0.17
2018-02-26	0.18
2018-02-23	0.17
2018-02-22	0.17
2018-02-21	0.18
2018-02-20	0.17
2018-02-16	0.17
2018-02-15	0.17
2018-02-14	0.17
2018-02-13	0.16
2018-02-12	0.17
2018-02-09	0.18
2018-02-08	0.17
2018-02-07	0.18
2018-02-06	0.18
2018-02-05	0.18
2018-02-02	0.18
2018-02-01	0.18
2018-01-31	0.21
2018-01-30	0.21
2018-01-29	0.22
2018-01-26	0.21
2018-01-25	0.21
2018-01-24	0.22
2018-01-23	0.21
2018-01-22	0.21
2018-01-19	0.21
2018-01-18	0.21
2018-01-17	0.21
2018-01-16	0.22
2018-01-12	0.22
2018-01-11	0.22
2018-01-10	0.22
2018-01-09	0.23
2018-01-08	0.22
2018-01-05	0.23
2018-01-04	0.22
2018-01-03	0.23
2018-01-02	0.23
2017-12-29	0.23
2017-12-28	0.22
2017-12-27	0.20
2017-12-26	0.20
2017-12-22	0.18
2017-12-21	0.18
2017-12-20	0.18
2017-12-19	0.19
2017-12-18	0.18
2017-12-15	0.18
2017-12-14	0.18
2017-12-13	0.19
2017-12-12	0.18
2017-12-11	0.19
2017-12-08	0.20
2017-12-07	0.20
2017-12-06	0.21
2017-12-05	0.21
2017-12-04	0.20
2017-12-01	0.20
2017-11-30	0.21
2017-11-29	0.22
2017-11-28	0.22
2017-11-27	0.22
2017-11-24	0.23
2017-11-22	0.24
2017-11-21	0.23
2017-11-20	0.23
2017-11-17	0.24
2017-11-16	0.24
2017-11-15	0.23
2017-11-14	0.24
2017-11-13	0.25
2017-11-10	0.26

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PE Ratio: N/A

ALT PE Ratio Chart

ALT PE Ratio Metrics

ALT Competitors' PE Ratio

P/E Comparison

Forward P/E Calculation

PE Ratio Formula & Definition

ALT PE Ratio History

Related Metrics