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Smart Investors Daily
QS

NASDAQ · QSI

Quantum-Si incorporated

Healthcare · Biotechnology

$1.26

Up+$0.04 (+2.78%)

Updated Nov 3, 2026, 8:58 PM

SID Score

5.4/10

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 – $1.81
Volume
8.21M
Avg. volume
11.82M

Price performance · QSI

QSI price history

1M range · 21 trading sessions · Daily adjusted prices

Prices through Nov 2, 2026

QSI closed at $1.26 after 21 trading sessions, down 1.56% for the selected period.

Last close
$1.26
Period change
-1.56%
Period low
$1.09
Period high
$1.75
Daily close
View OHLC price history
QSI OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
Nov 2, 2026$1.49$1.50$1.23$1.268.21M
Oct 30, 2026$1.57$1.60$1.405$1.469.91M
Oct 29, 2026$1.681$1.81$1.66$1.758.84M
Oct 28, 2026$1.63$1.73$1.59$1.7210.05M
Oct 27, 2026$1.50$1.75$1.495$1.6516.53M
Oct 26, 2026$1.425$1.48$1.36$1.4610.35M
Oct 23, 2026$1.155$1.42$1.15$1.4011.46M
Oct 22, 2026$1.17$1.21$1.145$1.153.57M
Oct 21, 2026$1.16$1.23$1.16$1.233.42M
Oct 20, 2026$1.06$1.20$1.04$1.166.18M
Oct 19, 2026$1.145$1.15$1.01$1.098.71M
Oct 16, 2026$1.33$1.33$1.10$1.127.69M
Oct 15, 2026$1.35$1.39$1.24$1.319.27M
Oct 14, 2026$1.34$1.44$1.3301$1.395.36M
Oct 13, 2026$1.345$1.46$1.31$1.416.24M
Oct 12, 2026$1.475$1.475$1.34$1.3610.36M
Oct 9, 2026$1.26$1.66$1.258$1.5340.9M
Oct 8, 2026$1.29$1.30$1.20$1.225.85M
Oct 7, 2026$1.17$1.3099$1.09$1.288.04M
Oct 6, 2026$1.29$1.41$1.19$1.228.7M
Oct 5, 2026$1.525$1.53$1.2601$1.2819.19M

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.

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Analyst outlook

Consensus and target data currently published for this company.

Consensus
—
Average target
$2.00
Implied upside
—
Analysts
—
QSI recent ratings
DateFirmRatingTarget
Sep 29, 2026HC Wainwright & Co.Buy—
Mar 5, 2026Canaccord GenuityHold—
Dec 22, 2025Canaccord GenuityHold—
Oct 27, 2025Canaccord GenuityHold—
Sep 9, 2025Canaccord GenuityHold—
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.