Skip to main content
Smart Investors Daily
QS

NASDAQ · QSI

Quantum-Si incorporated

Healthcare · Biotechnology

$0.79

Down-$0.04 (-5.00%)

Updated Aug 14, 2026, 2:44 PM

SID Score

3.5/10

Composite research score

Smart Money

Institutional and insider signal

Market cap
272.8M
P/E ratio
-2.41
Dividend yield
0.00%
52-week range
$0.69 – $1.30
Volume
4.38M
Avg. volume
11.82M

Price performance

QSI price history

1M range · 21 trading sessions · Daily adjusted prices

QSI closed at $0.79 after 21 trading sessions, down 3.58% for the selected period.

Last close
$0.79
Period change
-3.58%
Period low
$0.70
Period high
$0.84
Daily close
View OHLC price history
QSI OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
Aug 13, 2026$0.855$0.9138$0.79$0.794.38M
Aug 12, 2026$0.8308$0.8699$0.8256$0.83741.5M
Aug 11, 2026$0.7951$0.8489$0.7951$0.82022.06M
Aug 10, 2026$0.8176$0.84$0.7901$0.79012.43M
Aug 7, 2026$0.7618$0.8285$0.7618$0.81442.73M
Aug 6, 2026$0.7522$0.779$0.75$0.7551.49M
Aug 5, 2026$0.7752$0.7926$0.7565$0.75652.48M
Aug 4, 2026$0.7642$0.796$0.7642$0.76543.99M
Aug 3, 2026$0.72$0.7599$0.711$0.7462.71M
Jul 31, 2026$0.73$0.748$0.71$0.71241.84M
Jul 30, 2026$0.7256$0.7441$0.69$0.723.56M
Jul 29, 2026$0.7574$0.7799$0.7023$0.70234.1M
Jul 28, 2026$0.775$0.7799$0.7401$0.76063.27M
Jul 27, 2026$0.7884$0.8097$0.7715$0.78341.09M
Jul 24, 2026$0.7944$0.8012$0.7608$0.77012.59M
Jul 23, 2026$0.79$0.828$0.7809$0.793.29M
Jul 22, 2026$0.81$0.8454$0.80$0.802.84M
Jul 21, 2026$0.8216$0.8498$0.8216$0.8361.47M
Jul 20, 2026$0.83$0.8422$0.8099$0.8171.5M
Jul 17, 2026$0.82$0.8462$0.803$0.82242.3M
Jul 16, 2026$0.854$0.8558$0.806$0.81933.74M

Latest QSI news

The latest Smart Investors Daily articles mentioning QSI.

QSI research

Overview

Company profile and research snapshot.

Company profile

Quantum-Si Inc is a life sciences company focused on the development and commercialization of proteomics research tools. The company has designed and developed a hardware, consumable, and software solution to provide a solution for protein detection and analysis. It has developed a proprietary universal single-molecule detection platform that enables Next-Generation Protein Sequencing (NGPS), the ability to sequence proteins.

Visit company website

Analyst outlook

Consensus and target data currently published for this company.

Consensus
Average target
$2.00
Implied upside
Analysts
QSI recent ratings
DateFirmRatingTarget
Mar 5, 2026Canaccord GenuityHold
Dec 22, 2025Canaccord GenuityHold
Oct 27, 2025Canaccord GenuityHold
Sep 9, 2025Canaccord GenuityHold
May 19, 2025HC Wainwright & Co.Buy
Open full forecast

News briefing

No generated briefing is available yet.

AI research layers

Interpretive context generated from the platform’s current data sources.

No results

AI research layers have not been published yet.