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Quantum-Si incorporated (QSI)

Healthcare | Medical Devices | Branford, United States | NasdaqGM
0.78 USD -0.02 (-2.876%) ⇩ (Aug. 28, 2026, 4 p.m. EDT)
After hours: 0.78 +0.00 (0.551%) ⇧ (Aug. 28, 2026, 7:56 p.m. EDT)

Short-term:★☆☆☆☆Long-term:⯪☆☆☆☆Dividends:☆☆☆☆☆
Hot Take | Aug. 22, 2026, 4:56 a.m. EDT

The investment case here is fractured between a desperate fundamental reality and aggressive speculative positioning. Fundamentally, the business is deteriorating rapidly: revenue has contracted by 41.8% year-over-year, operating margins are catastrophic at -74.5%, and the company is burning cash with negative free cash flow. The stock has lost 86.5% of its value over the last four years, and despite a recent technical bounce, the underlying economics remain broken with no path to profitability visible in the forward estimates. The lack of a dividend and the warning regarding Nasdaq listing compliance add significant pressure. However, the options market tells a completely different story, with traders pouring capital into deep out-of-the-money calls, betting on a miraculous turnaround or a liquidity event. While the speculative fervor suggests a potential short-term spike, the fundamental rot makes this a high-risk trap rather than a sound investment.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
AutoARIMA ✓0.289584
AutoETS0.289585
MSTL0.296577
AutoTheta0.466242

Forecast horizon: 45 days | Selected: AutoARIMA

Forecast Reliability
Score 32%
H-stat 5.43
Ljung-Box p 0.000
Jarque-Bera p 0.182
Excess Kurtosis 0.49
Attribute Value
Sector Healthcare
Debt to Equity Ratio 1.805
Revenue per Share 0.007
Market Cap 170,729,440
Forward P/E -2.23
Beta 3.25
Website https://www.quantum-si.com

As of Aug. 22, 2026, 4:56 a.m. EDT: Speculators are overwhelmingly bullish, positioning massive call volume and open interest at strikes significantly above the current price ($1.00, $2.00, $2.50), while put activity is negligible. This indicates a strong speculative bet on a rapid recovery or a 'make-or-break' rally attempt.


Info Dump

Attribute Value
52 Week Change -0.2777778
Address1 29 Business Park Drive
All Time High 25.0
All Time Low 0.612
Ask 0.9885
Ask Size 2
Audit Risk 3
Average Daily Volume10 Day 3,254,120
Average Daily Volume3 Month 4,231,488
Average Volume 4,231,488
Average Volume10Days 3,254,120
Beta 3.25
Bid 0.5415
Bid Size 2
Board Risk 5
Book Value 0.823
City Branford
Compensation As Of Epoch Date 1,767,139,200
Compensation Risk 10
Country United States
Crypto Tradeable 0
Currency USD
Current Price 0.78
Current Ratio 9.969
Custom Price Alert Confidence HIGH
Date Short Interest 1,786,665,600
Day High 0.822
Day Low 0.77
Debt To Equity 1.805
Earnings Call Timestamp End 1,786,651,200
Earnings Call Timestamp Start 1,786,651,200
Earnings Timestamp 1,786,651,200
Earnings Timestamp End 1,793,908,800
Earnings Timestamp Start 1,793,908,800
Ebitda -87,360,000
Ebitda Margins 0.0
Enterprise To Ebitda -0.712
Enterprise To Revenue 38.78
Enterprise Value 62,241,452
Eps Current Year -0.4
Eps Forward -0.35
Eps Trailing Twelve Months -0.45
Esg Populated 0
Exchange NGM
Exchange Data Delayed By 0
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fifty Day Average 0.82374
Fifty Day Average Change -0.043740034
Fifty Day Average Change Percent -0.05309932
Fifty Two Week Change Percent -27.777779
Fifty Two Week High 3.1
Fifty Two Week High Change -2.32
Fifty Two Week High Change Percent -0.7483871
Fifty Two Week Low 0.69
Fifty Two Week Low Change 0.089999974
Fifty Two Week Low Change Percent 0.13043475
Fifty Two Week Range 0.69 - 3.1
Financial Currency USD
First Trade Date Milliseconds 1,605,277,800,000
Float Shares 180,312,189
Forward Eps -0.35
Forward P E -2.2285714
Free Cashflow -50,126,000
Full Exchange Name NasdaqGM
Full Time Employees 145
Fullday Change -0.0231
Fullday Change Percent -2.87636
Fullday Price 0.7843
Gmt Off Set Milliseconds -14,400,000
Governance Epoch Date 1,785,542,400
Gross Margins 0.35016
Gross Profits 562,000
Has Pre Post Market Data 1
Held Percent Insiders 0.104540005
Held Percent Institutions 0.24835
Implied Shares Outstanding 218,883,912
Industry Medical Devices
Industry Disp Medical Devices
Industry Key medical-devices
Is Earnings Date Estimate 1
Language en-US
Last Fiscal Year End 1,767,139,200
Long Business Summary Quantum-Si incorporated, a life sciences company, develops proprietary, universal, and single-molecule detection platform applied to proteomics to enable next-gen protein sequencing (NGPS). The company offers Platinum and Platinum Pro NGPS instruments for single-molecule, amino acid level resolution, and automated data analysis; library preparation kits to prepare a customer's protein sample for sequencing; and sequencing kits, which contain the reagents and consumables used to perform NGPS. It also provides Platinum analysis software, a cloud-based solution that automates data analysis workflows and visualizes the sequencing results. The company was founded in 2013 and is headquartered in Branford, Connecticut.
Long Name Quantum-Si incorporated
Market us_market
Market Cap 170,729,440
Market State CLOSED
Max Age 86,400
Message Board Id finmb_656553517
Most Recent Quarter 1,782,777,600
Net Income To Common -98,519,000
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 175,785,669
Number Of Analyst Opinions 3
Open 0.8219
Operating Cashflow -92,448,000
Operating Margins -74.50291
Overall Risk 9
Payout Ratio 0.0
Phone 866 688 7374
Post Market Change 0.004300058
Post Market Change Percent 0.5512895
Post Market Price 0.7843
Post Market Time 1,787,961,404
Previous Close 0.8031
Price Eps Current Year -1.9499999
Price Hint 4
Price To Book 0.94775206
Price To Sales Trailing12 Months 106.37348
Profit Margins 0.0
Quick Ratio 9.359
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key none
Region US
Regular Market Change -0.0231
Regular Market Change Percent -2.87636
Regular Market Day High 0.822
Regular Market Day Low 0.77
Regular Market Day Range 0.77 - 0.822
Regular Market Open 0.8219
Regular Market Previous Close 0.8031
Regular Market Price 0.78
Regular Market Time 1,787,947,200
Regular Market Volume 2,412,311
Return On Assets -0.25715
Return On Equity -0.49113998
Revenue Growth -0.418
Revenue Per Share 0.007
Sand P52 Week Change 0.20204377
Sector Healthcare
Sector Disp Healthcare
Sector Key healthcare
Share Holder Rights Risk 10
Shares Outstanding 198,946,412
Shares Percent Shares Out 0.0652
Shares Short 14,273,563
Shares Short Previous Month Date 1,784,073,600
Shares Short Prior Month 14,129,789
Short Name Quantum-Si Incorporated
Short Percent Of Float 0.08
Short Ratio 5.2
Source Interval 15
State CT
Symbol QSI
Target High Price 4.0
Target Low Price 1.0
Target Mean Price 2.3
Target Median Price 1.9
Total Cash 111,741,000
Total Cash Per Share 0.511
Total Debt 3,253,000
Total Revenue 1,605,000
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps -0.45
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 1.01199
Two Hundred Day Average Change -0.23198998
Two Hundred Day Average Change Percent -0.22924139
Type Disp Equity
Volume 2,412,311
Website https://www.quantum-si.com
Zip 6,405