Quantum-Si (QSI) PE Ratio: History & Chart

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 2026-10-06T21:08:13.522Z.

Stored calculation inputs

Calculation as of: 2026-10-06T21:08:13.522Z.

Quote observation: 2026-10-06T20:00:00.000Z. Amounts in USD. The price header may show a later quote.

Quote price: 1.22
Unrounded diluted TTM EPS · period ending 2026-06-30: -0.4642

FMP input reference: 833b8a33f5e3aa548e06775940c7a83493d9a3083fc648ecb3f8ecd80d633b38

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

QSI PE Ratio Metrics

PE RATIO

N/A

QSI Competitors' PE Ratio

QSI

Quantum-Si incorporated

Current

Market Cap

$241.34M

PE Ratio

N/A

TTM Avg

N/A

3Y Avg

N/A

5Y Avg

N/A

QTTB

Q32 Bio Inc.

vs QSI

Market Cap

$241.39M

PE Ratio

2.91

TTM Avg

4.27

3Y Avg

4.27

5Y Avg

3.78

LFCR

Lifecore Biomedical, Inc.

vs QSI

Market Cap

$241.94M

PE Ratio

N/A

TTM Avg

80.39

3Y Avg

80.39

5Y Avg

80.39

IPSC

Century Therapeutics, Inc.

vs QSI

Market Cap

$239.02M

PE Ratio

N/A

TTM Avg

N/A

3Y Avg

N/A

5Y Avg

N/A

HITI

High Tide Inc.

vs QSI

Market Cap

$239.01M

PE Ratio

N/A

TTM Avg

N/A

3Y Avg

N/A

5Y Avg

N/A

IVVD

Invivyd, Inc.

vs QSI

Market Cap

$237.57M

PE Ratio

N/A

TTM Avg

N/A

3Y Avg

N/A

5Y Avg

N/A

BIOA

BioAge Labs Inc.

vs QSI

Market Cap

$236.82M

PE Ratio

N/A

TTM Avg

N/A

3Y Avg

N/A

5Y Avg

N/A

SIGA

SIGA Technologies, Inc.

vs QSI

Market Cap

$235.97M

PE Ratio

N/A

TTM Avg

10.01

3Y Avg

8.82

5Y Avg

11.38

AKBA

Akebia Therapeutics, Inc.

vs QSI

Market Cap

$235.66M

PE Ratio

N/A

TTM Avg

N/A

3Y Avg

N/A

5Y Avg

N/A

SLGL

Sol-Gel Technologies Ltd.

vs QSI

Market Cap

$247.27M

PE Ratio

N/A

TTM Avg

50.66

3Y Avg

50.25

5Y Avg

404.96

NAME	MARKET CAP	PE RATIO	TTM	3Y	5Y
Quantum-Si incorporated (QSI)	$241.34M	N/A	N/A	N/A	N/A
Q32 Bio Inc. (QTTB)vs ›	$241.39M	2.91	4.27	4.27	3.78
Lifecore Biomedical, Inc. (LFCR)vs ›	$241.94M	N/A	80.39	80.39	80.39
Century Therapeutics, Inc. (IPSC)vs ›	$239.02M	N/A	N/A	N/A	N/A
High Tide Inc. (HITI)vs ›	$239.01M	N/A	N/A	N/A	N/A
Invivyd, Inc. (IVVD)vs ›	$237.57M	N/A	N/A	N/A	N/A
BioAge Labs Inc. (BIOA)vs ›	$236.82M	N/A	N/A	N/A	N/A
SIGA Technologies, Inc. (SIGA)vs ›	$235.97M	N/A	10.01	8.82	11.38
Akebia Therapeutics, Inc. (AKBA)vs ›	$235.66M	N/A	N/A	N/A	N/A
Sol-Gel Technologies Ltd. (SLGL)vs ›	$247.27M	N/A	50.66	50.25	404.96

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

$1.22

÷

Forward EPS (Est.)

$-0.43

=

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

See the Lowest P/E Ratio Stocks ranking →

PE Ratio: N/A

QSI PE Ratio Metrics

QSI Competitors' PE Ratio

P/E Comparison

Forward P/E Calculation

PE Ratio Formula & Definition

Related Metrics