To buy shares in Quantum-Si Incorporated Class A you will need a US based stock trading platform like Interactive Brokers, eToro or Moomoo where it currently costs $1.66 to buy one share in Quantum-Si Incorporated Class A (as of 16:00 13-Jun-2025). Which is a change of $0.13 or -7.26% from the last closing price of $1.79.
How To Buy Quantum-Si Incorporated Class A Stock
It may seem complicated to buy stock for the first time, but it’s actually very easy. Follow these simple steps to buy shares in Quantum-Si Incorporated Class A:
- Pick a stock broker (jump down to compare the best brokers for buying Quantum-Si Incorporated Class A stock)
- Deposit funds (bank transfer, ACH, wire transfer, or card)
- Search for the stock symbol: (NASDAQ:QSI)
- Choose the number of shares you want to buy (1 share currently costs $1.66)
- Click buy (you can either trade immediately at “market” or set a “limit” to buy the stock cheaper if you think the price will go down)
- Track the performance of your Quantum-Si Incorporated Class A stock in your account (this will show your profit and loss)
Quantum-Si Incorporated Class A Share Price (QSI) Quote & Overview
This section shows the most important aspects of the current Quantum-Si Incorporated Class A QSI:US share price including price, change, bid/offer spread and volume.
- Quantum-Si Incorporated Class A is currently worth $304,606,839 based on the last closing price of $1.79 with 8,253,180 shares traded.
- The most recent Quantum-Si Incorporated Class A daily high has been $1.72 and daily low $1.64.
- The Quantum-Si Incorporated Class A stock price 52 week high has been $5.77 and the 52 week low $0.61.
Compare Brokers For Buying Quantum-Si Incorporated Class A Stock
It’s usually commission-free to buy US stocks as American stock brokers make their money from payment for order flow. However, there can sometimes be additional charges for buying stocks in an IRA, where your contributions are tax-deductible.
| US Stock Broker | US Stocks Available | Dealing Commission | Margin Rates | Customer Reviews | More Info |
|---|---|---|---|---|---|
 | 17,913 | 0.003% | 5.33% – 6.33% | (Based on 934 reviews)
| Visit Broker Your capital is at risk |
 | 6,000+ | 0% | 0% | (Based on 144 reviews)
| Visit Broker Your capital is at risk |
 | 5,000+ | 0% | 8% – 11% | (Based on 0 reviews)
| Read Reviews |
 | 4,000+ | 0% | 10.2% – 13.2% | (Based on 1 reviews)
| Read Reviews |
 | 4,000+ | 0% | 8.575% – 13.075% | (Based on 22 reviews)
| Read Reviews |
 | 5,000+ | 0% | 8% (Flat) | (Based on 23 reviews)
| Read Reviews |
 | 7,000+ | 0% | 8.5% – 12.075% | (Based on 0 reviews)
| Read Reviews |
 | 5,000+ | 0% | 9.49% (Flat) | (Based on 0 reviews)
| Read Reviews |
Is Now A Good Time To Buy Quantum-Si Incorporated Class A Stock?
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- Quantum-Si Incorporated Class A’s EPS (earnings per share) are 0.67. A high EPS indicates strong profitability but may already be priced in, while a low EPS could signal weak earnings or a turnaround opportunity, requiring industry comparison.
- Quantum-Si Incorporated Class A’s PE (price earnings ratio) is n/a. A low PE ratio may suggest undervaluation but could also indicate slow growth or risk, whereas a high PE ratio reflects high growth expectations but may signal overvaluation, necessitating a check on earnings sustainability.
The below Quantum-Si Incorporated Class A share price analysis and market data includes key financials, earnings estimates, peer performance, dividends, news and a company profile that will give you an indication as to whether this stock is a buy, sell or hold.
Quantum-Si Incorporated Class A (QSI) Analysis
This section shows analysis for Quantum-Si Incorporated Class A QSI:US. It shows analyst rating, recommnedations and history, as well industry ranking comparison.
Quantum-Si Incorporated Class A (QSI) Earnings Estimates & Forecasts
This section shows how analysts expect the Quantum-Si Incorporated Class A QSI:US share price to perform in the future based on their earnings reports and estimates. It gives an overview of future short, long and medium term price targets as well as previous earnings reports.
Quantum-Si Incorporated Class A (QSI) Company Financials
This section shows current and previous Quantum-Si Incorporated Class A QSI:US profit and loss information like revenue, income, expenses and earnings per share.
Quantum-Si Incorporated Class A (QSI) Financial Summary
This section allows you to compare Quantum-Si Incorporated Class A QSI:US revenue, net income, cash flow statement and balance sheet against previous years. This can give you a good indication of how well a company is performing.
Quantum-Si Incorporated Class A (QSI) Share Price History
This section provides a visual and table view of the historic Quantum-Si Incorporated Class A QSI:US share price including volume and VWAP which can be adjusted for splits and dividends.
Quantum-Si Incorporated Class A (QSI) Interactive Chart
This section allows you to compare Quantum-Si Incorporated Class A QSI:US share price chart against other stocks as well as overlay key events like dividends, earnings and splits.
Quantum-Si Incorporated Class A (QSI) Dividends
This section analyses the historic and upcoming Quantum-Si Incorporated Class A QSI:US dividend amounts, dates and yields. It provides a good indication of potential future and past profitability.
Quantum-Si Incorporated Class A (QSI) Corporate Events
This section shows key dates in Quantum-Si Incorporated Class A QSI:US corporate calendar like company announcements, earnings releases, stock splits, and fundamental data chances like EPS updates.
Quantum-Si Incorporated Class A (QSI) Share Price Performance
This section shows key Quantum-Si Incorporated Class A QSI:US share price levels like recent highs and lows, plus gives you tools to see average day traded volumes and institutional share holders major buys and sells.
Quantum-Si Incorporated Class A (QSI) Share Price News
This section shows new stories that are relevant to and may effect or explain changes in Quantum-Si Incorporated Class A QSI:US share price.
Quantum-Si Incorporated Class A (QSI) Company Profile
This section provides corporate information on Quantum-Si Incorporated Class A QSI:US, including what they do, their contact details, their CEO and auditor as well as in what sectors their shares trade.
