Quantum-Si incorporated (QSI) Stock Analysis
A live, multi-source view of Quantum-Si incorporated (QSI): real-time price, technical indicators, Wall Street analyst consensus, recent news sentiment and social buzz — aggregated into one place so you can size up the stock at a glance.
About Quantum-Si incorporated
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.
Sector: Healthcare · Industry: Medical Devices · United States · 145 employees · quantum-si.com
Key statistics · as of 2026-09-06
As of 2026-09-06, Quantum-Si incorporated (QSI) had a market capitalization of $167.7M (forward -2.2) and a beta of 3.25; the shares traded in a 52-week range of $0.69 – $3.10 (-27.7% over the year).
- Market cap
- $167.7M
- Enterprise value
- $58.1M
- Forward P/E
- -2.2
- Price / book
- 0.93
- EPS (trailing)
- $-0.46
- EPS (forward)
- $-0.35
- Payout ratio
- 0.0%
- 52-week range
- $0.69 – $3.10
- 52-week change
- -27.7%
- Beta
- 3.25
- Average volume
- 3.7M
- Shares outstanding
- 198.9M
- Short % of float
- 8.00%
- Profit margin
- 0.0%
Fundamental figures are recorded once every few days, dated above; they are not live and can differ from the interactive tiles.
Last universe scan · 2026-09-11
In RapidTradeView’s 2026-09-11 scan of the US universe, Quantum-Si incorporated (QSI) last closed at $0.74 (the last completed close before that scan).
Technicals at the scan: RSI 43 (neutral territory), price -4.0% versus its 20-day average, 20-day versus 50-day average spread -3.8%, MACD histogram -0.00.
Sentiment inputs: StockTwits 86% bullish; analyst consensus score 67/100.
Next scheduled company event: in 55 days from the scan date.
Scan values are recorded once per trading day and are not live quotes; the interactive tiles above update in real time.
Smart Money · last 90 days
RapidTradeView has recorded no Congress or insider filing for QSI in the last 90 days. Coverage of House, Senate and SEC Form 4 filings began in July 2026, and insider sells are tracked for universe tickers only, so this is our record, not a guarantee that nothing was filed. Who is trading what
RapidTradeView pick record
QSI has not appeared in the daily picks yet. Full scoreboard
What this page covers
RapidTradeView pulls Quantum-Si incorporated (QSI) data from multiple independent sources and combines it into a single dashboard. Below the summary you’ll find live, interactive tiles for each of the following:
- Price & chart — real-time quote with pre/post-market moves and a line or candlestick chart.
- Technical indicators — RSI, MACD, moving averages, Bollinger Bands, volume and support/resistance, distilled into one overall signal.
- Analyst consensus — the buy/hold/sell breakdown and price targets published by Wall Street analysts.
- News sentiment — recent headlines, each scored for tone so the prevailing narrative is obvious.
- Earnings — current EPS, year-over-year change and the next scheduled earnings date.
- Social buzz — Reddit mention volume and StockTwits sentiment for the retail-trader angle.
How to read the signals
No single indicator tells the whole story. A bullish technical reading paired with a cautious analyst consensus, or strong social buzz against weak earnings, is exactly the kind of tension this view is built to surface. RapidTradeView’s signals are generated by deterministic, statistical models — they describe what the data is doing, they are not personalised recommendations to buy or sell QSI.
Disclaimer: RapidTradeView is an educational sentiment-aggregation tool, not a licensed financial adviser, broker, or dealer. Nothing here is financial, investment, tax, or legal advice. Markets are risky and you can lose money. Always do your own research and consult a qualified professional before making any investment decision.