QSI QuantumSi Inc
Company Analysis
Latest News
🔴 QuantumSi is trading 5.8% down
QuantumSi is trading 5.8% down at $1.23, with no clear company-specific announcement identified to explain the November 4 decline. - The company’s...
🟢 QuantumSi is trading 5% up in pre-market as major U.S. indices rise
QuantumSi is trading 5.36% higher at $1.37 in pre-market, with a positive broader market possibly supporting the move. - Major U.S. indices are up more than...
QuantumSi Inc Q3 2026 Earnings Preview: What Analysts Expect on November 05, 2026
Quantum-Si Inc is expected to report a Q3 2026 consensus revenue of $0.27 million and an EPS loss of $0.13, while its stock currently trades at $1.72 compared...
🟢 QuantumSi rises 5.6% — Biotech Stocks Rally on Sector Rotation as Tech Declines
With Biotech (XBI) up 2.1%, this looks like a sector-led move rather than a company-specific surprise. The biotech sector is experiencing a significant rally,...
🔴 QuantumSi is trading 11% down with no company-specific catalyst identified
QuantumSi is trading at $1.30, down -10.95%, with no new company-specific announcement identified to explain the November 2, 2026 decline. - The biotech...
🔴 QuantumSi is trading 5.5% down despite broader market gains
QuantumSi is trading 5.5% lower at $1.34, with no new company-specific announcement identified to explain the decline. - The broader market is higher, so...
🔴 QuantumSi is trading 15.14% down amid AI infrastructure cost concerns
QuantumSi is trading 15.14% down at $1.47 on October 30, 2026, with the broad technology selloff the clearest available explanation; no company-specific...
🔴 QuantumSi is trading 7.43% down in pre-market amid broad technology selloff
QuantumSi is trading 7.43% down at $1.63 in pre-market on October 30, 2026, amid a broad technology selloff; no company-specific catalyst was identified. -...
🔴 QuantumSi is trading 5% down in after-hours trading
QuantumSi is trading 5.14% lower at $1.66 after-hours, with no clear company-specific catalyst identified and the cause uncertain. - Shares closed the regular...
🟢 QuantumSi is trading 5% up today with no clear company-specific catalyst
QuantumSi is trading at $1.81, up 5.23%, with no clear company-specific announcement explaining its October 29, 2026 gain. - Its next scheduled quarterly...
🟢 QuantumSi is trading 12.22% up; no clear catalyst identified
QuantumSi is trading 12.22% higher at $1.64, with no new company-specific announcement or clearly documented catalyst identified for the October 27 move. - The...
🟢 QuantumSi is trading 5% up with no clear catalyst identified
QuantumSi is trading 5.00% up at $1.47, with no new company-specific announcement or clear catalyst identified for the October 26 move. - The company’s latest...
🟢 QuantumSi is trading 12.61% up
QuantumSi is trading at $1.29, up 12.61%, with no clear company-specific catalyst identified. - The latest company update found schedules third-quarter results...
🟢 QuantumSi is trading 6.08% up
QuantumSi is trading at $1.22, up 6.08%, during the October 23 session, with no clear company-specific catalyst identified. - QuantumSi’s latest listed update...
🟢 QuantumSi is trading 5% up in pre-market
QuantumSi is trading at $1.21, up 5.22% in pre-market, with no identified company-specific announcement explaining its October 23 rise. - Its latest listed...
🔴 QuantumSi is trading 6.1% down today as technology stocks sell off
QuantumSi is trading at $1.16, down 6.10%, amid a broader technology-stock selloff and risk-off sentiment. - No company-specific announcement dated October 22...
🟢 QuantumSi is trading 6% up today amid broader market gains
QuantumSi is trading at $1.23, up 6.03%; no clear company-specific announcement explaining the October 21 move surfaced, while broader market gains may be...
🟢 QuantumSi is trading 10% up today amid biotech deal activity and positive trial news
QuantumSi is trading 10.08% up at $1.20 on October 20, 2026, amid a sector-led biotech move; no clear company-specific announcement explains the gain. - The...
🟢 QuantumSi rises 5.0% — Biotech Sector Surges on M&A Activity and Positive Clinical Trial Data
With Biotech (XBI) up 2.1%, this looks like a sector-led move rather than a company-specific surprise. The biotechnology sector is experiencing a significant...
🔴 QuantumSi is trading 5.8% down with no clear company-specific catalyst found
QuantumSi is trading 5.8% down at $1.05, with no clear company-specific announcement explaining the October 19 move. - The latest company releases were an...