Your browser of choice has not been tested for use with Barchart.com. If you have issues, please download one of the browsers listed here.
Barchart Premier: The most comprehensive method for keeping track of all your investments. FREE 30 Day Trial
Stocks | Futures | Watchlist | News | More
or
Faster, Cleaner, Better.

Quantum-Si Inc (QSI)

Quantum-Si Inc (QSI)
[[ item.lastPrice ]] [[ item.priceChange ]] ([[ item.percentChange ]]) [[ item.tradeTime ]] [NASDAQ]
[[ item.bidPrice ]] x [[ item.bidSize ]] [[ item.askPrice ]] x [[ item.askSize ]]
[[ session ]] by (Cboe BZX)
[[ item.lastPrice ]] [[ item.priceChange ]] ([[ item.percentChange ]]) [[ item.tradeTime ]] [NASDAQ]
[[ item.bidPrice ]] x [[ item.bidSize ]] [[ item.askPrice ]] x [[ item.askSize ]]
[[ session ]] [[ item.lastPriceExt ]] [[ item.priceChangeExt ]] ([[ item.percentChangeExt ]]) [[ item.tradeTimeExt ]]
Quote Overview for [[ item.sessionDateDisplayLong ]]
[[ rowChartData.labelLow ]]
[[ rowChartData.lowPriceFormatted ]]
[[ rowChartData.lowPrice ]]
[[ rowChartData.labelHigh ]]
[[ rowChartData.highPriceFormatted ]]
[[ rowChartData.highPrice ]]
since [[ rowChartData.lowDate ]]
since [[ rowChartData.highDate ]]
[[ value ]] [[ value ]]
Realtime quote and/or trades are not sourced from all markets.

Fundamentals

See More
  • Market Capitalization, $K 229,497
  • Shares Outstanding, K 215,490
  • Annual Sales, $ 3,060 K
  • Annual Income, $ -101,010 K
  • EBIT $ -126 M
  • EBITDA $ -129 M
  • 60-Month Beta 2.98
  • Price/Sales 60.50
  • Price/Cash Flow N/A
  • Price/Book 0.85

Options Overview Details

View History
  • Implied Volatility 225.83% (-27.32%)
  • Historical Volatility 79.40%
  • IV Percentile 72%
  • IV Rank 22.34%
  • IV High 706.09% on 01/08/26
  • IV Low 87.70% on 08/20/25
  • Expected Move (DTE 6) 0.1445 (13.50%)
  • Put/Call Vol Ratio 0.05
  • Today's Volume 2,206
  • Volume Avg (30-Day) 1,536
  • Put/Call OI Ratio 0.19
  • Today's Open Interest 70,505
  • Open Int (30-Day) 92,327
  • Expected Range 0.9255 to 1.2145

Analyst Rating / Earnings Estimates

Current Rating
See More
Moderate Buy
Based on 3 analysts offering recommendations.
Earnings Estimates - Current Qtr 12/31/25
See More
  • Average Estimate -0.14
  • Number of Estimates 1
  • High Estimate -0.14
  • Low Estimate -0.14
  • Prior Year -0.18
  • Growth Rate Est. (year over year) +22.22%

Price Performance

See More
Period Period Low Period High Performance
1-Month
0.9248 +15.16%
on 02/05/26
1.3300 -19.92%
on 01/22/26
-0.2150 (-16.80%)
since 01/06/26
3-Month
0.9248 +15.16%
on 02/05/26
1.7400 -38.79%
on 11/10/25
-0.5850 (-35.45%)
since 11/06/25
52-Week
0.9248 +15.16%
on 02/05/26
3.1000 -65.65%
on 10/16/25
-0.8350 (-43.95%)
since 02/06/25

Most Recent Stories

More 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

Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics technology company redefining protein analysis through single-molecule detection, today announced...

QSI : 1.0650 (+14.26%)
Quantum-Si Announces Launch of New Version 3 Library Preparation Kit and a Suite of Data Analysis Tool Enhancements

New library prep kit enables detection of proteins with as little as 1-2 ng of input Data analysis enhancements unlock new amino acid detection...

QSI : 1.0650 (+14.26%)
Quantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)

Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics technology company redefining protein analysis through single-molecule detection, today announced...

QSI : 1.0650 (+14.26%)
Quantum-Si Highlights Significant Development Advancements for Proteus™ and Industry Leading Technology Pipeline at Investor & Analyst Day

Expect Proteus launch by end of 2026 Demonstration of the detection of all 20 amino acids by end of 2026 New controlled cleavage chemistry...

QSI : 1.0650 (+14.26%)
Quantum-Si to Highlight Significant Proteus™ Platform Development Progress and Provide Insights into the Company’s Industry Leading Technology Pipeline at Investor & Analyst Day

Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics technology company redefining protein analysis through single-molecule detection, today announced...

QSI : 1.0650 (+14.26%)
Quantum-Si Reports Third Quarter 2025 Financial Results

Announces Successful Sequencing on Prototype Proteus Unit, Development Program Remains On-Track

QSI : 1.0650 (+14.26%)
Quantum-Si to Participate in the Canaccord Genuity MedTech, Diagnostics and Digital Health & Services Forum

Quantum-Si Incorporated (Nasdaq: QSI) ("Quantum-Si," "QSI" or the "Company"), a proteomics technology company redefining protein analysis through single-molecule detection, today announced that it will...

QSI : 1.0650 (+14.26%)
Quantum-Si to Report Third Quarter 2025 Financial Results on November 5, 2025

Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics technology company redefining protein analysis through single-molecule detection, today announced...

QSI : 1.0650 (+14.26%)
Quantum-Si to Host Investor & Analyst Event in New York City on November 19, 2025

Quantum-Si Incorporated (Nasdaq: QSI) ("Quantum-Si," "QSI" or the "Company"), a proteomics technology company redefining protein analysis through single-molecule detection, today announced that the Company...

QSI : 1.0650 (+14.26%)
Quantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)

Quantum-Si Incorporated (Nasdaq: QSI) (“Quantum-Si,” “QSI” or the “Company”), a proteomics technology company redefining protein analysis through single-molecule detection, today announced...

QSI : 1.0650 (+14.26%)

Business Summary

Quantum-Si Incorporated is a company pioneering next-generation semiconductor chip-based proteomics. Quantum-Si Incorporated, formerly known as HighCape Capital Acquisition Corp., is based in NEW YORK.

See More

Key Turning Points

3rd Resistance Point 1.2467
2nd Resistance Point 1.1683
1st Resistance Point 1.1167
Last Price 1.0650
1st Support Level 0.9867
2nd Support Level 0.9083
3rd Support Level 0.8567

See More

52-Week High 3.1000
Fibonacci 61.8% 2.2691
Fibonacci 50% 2.0124
Fibonacci 38.2% 1.7557
Last Price 1.0650
52-Week Low 0.9248

See More

Want to use this as
your default charts setting?
Save this setup as a Chart Templates
Switch the Market flag
for targeted data from your country of choice.
Open the menu and switch the
Market flag for targeted data from your country of choice.
Want Streaming Chart Updates?
Switch your Site Preferences
to use Interactive Charts
Need More Chart Options?
Right-click on the chart to open the Interactive Chart menu.
Use your up/down arrows to move through the symbols.
Free Barchart Webinar