Quantum-Si Incorporated - Class A (QSI) Stock Price

1.065 ▲ +0.1329 (+14.26%)
Open: 1.02 Vol: 7.37M Day's range: 0.96 - 1.09 Feb 06, 16:00 EST
IEX quote, 15 minutes delayed during trading hours. Login or Signup to see real-time data
Free Stock Screener
Loading chart ...
QSI Technical Analysis
5 mins 30 mins Hourly Daily Weekly
SELL BUY BUY SELL SELL
  5 mins 30 mins Hourly Daily Weekly
MA5 1.07▼ 1.07▼ 1.05▲ 1.04▲ 1.19▼
MA10 1.07▼ 1.05▲ 1.00▲ 1.12▼ 1.23▼
MA20 1.07▼ 1.00▲ 1.00▲ 1.18▼ 1.48▼
MA50 1.05▲ 1.02▲ 1.08▼ 1.25▼ 1.46▼
MA100 1.00▲ 1.09▼ 1.15▼ 1.50▼ 1.47▼
MA200 1.00▲ 1.16▼ 1.19▼ 1.50▼ 1.90▼
  5 mins 30 mins Hourly Daily Weekly
MACD -0.003▼ 0.013▲ 0.017▲ -0.018▼ -0.038▼
RSI 46.660▼ 59.728▲ 55.856▲ 41.356▼ 40.075▼
STOCH 50.000     87.251▲ 88.603▲ 13.505▼ 24.478    
WILL %R -100.000▼ -15.615▲ -15.615▲ -65.400     -88.875▼
CCI -280.000▼ 77.544     118.470▲ -100.185▼ -150.781▼
Latest Filters Detected On QSI
▲ RSI $QSI RSI(14) Crossed Above 30 Set Alert
▲ GAP $QSI Open Gap Up %5 Set Alert
▲ GAP $QSI Open Gap Up %3 Set Alert
▲ GAP $QSI Open Gap Up %2 Set Alert
Quantum-Si Incorporated - Class A News
Quantum-Si Announces the Release of Two New Manuscripts Demonstrating the Value of Single-Molecule Protein Sequencing in Clinical Proteomics and Pathogen & Toxin Detection
Thursday, February 05, 2026 05:43 AM
Si Incorporated (Nasdaq: QSI) ("Quantum-Si," "QSI" or the "Company"), a proteomics technology company redefining protein analysis through single-molecule detection, today announced two new manuscripts ...
Quantum-Si outlines continued placement-driven growth and Proteus launch milestones as market pressures persist
Tuesday, February 03, 2026 01:54 AM
Nov. 05, 2025 11:02 PM ETQuantum-Si incorporated (QSI) Stock, QSIAW StockAI-Generated Earnings Calls Insights ...
Quantum-Si Announces Launch of New Version 3 Library Preparation Kit and a Suite of Data Analysis Tool Enhancements
Monday, December 22, 2025 05:00 AM
BRANFORD, Conn.--(BUSINESS WIRE)-- Quantum-Si Incorporated (QSI) (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics technology company ...
QSI historical stock data
date open high low close volume
06/02/26 1.02 1.09 0.96 1.065 7,374,790
05/02/26 1.03 1.04 0.9248 0.9321 8,032,092
04/02/26 1.10 1.11 0.9994 1.03 6,312,317
03/02/26 1.11 1.125 1.05 1.09 4,993,126
02/02/26 1.11 1.13 1.09 1.10 3,741,460
30/01/26 1.16 1.186 1.11 1.13 5,427,500
29/01/26 1.20 1.20 1.13 1.17 6,120,712
28/01/26 1.23 1.24 1.17 1.20 3,909,700
27/01/26 1.22 1.26 1.20 1.23 2,808,000
26/01/26 1.25 1.27 1.21 1.21 3,118,000
Quote Details
52wk Low:0.925
52wk High:3.10
Vol:7.37M
Avg Vol(3m):77.7M
1Y Chng:-27.05%
1M Chng:-18.70%
Add to Watch List
More Information
Index US Composite
Market Cap. 200.86M