Quantum-Si Incorporated - Class A Common Stock (NQ:QSI)

1.475 +0.045 (+3.15%)
Delayed Quote Updated: 1:51 PM EDT, Oct 2, 2026 Add to My Watchlist

Price and Volume

Detailed Quote
Volume 13,353,460
Open 1.385
Bid (Size) 1.470 (5,000)
Ask (Size) 1.480 (2,400)
Prev. Close 1.430
Today's Range 1.170 - 1.500
52wk Range 0.6900 - 3.100
Shares Outstanding N/A
Dividend Yield N/A

Performance

52-Week Range 52.4% below 52-week high
1.475
0.6952W Low 3.1052W High
1 Week 0.3% below 1-week high
0.781W Low 1.481W High

Quantum-Si Incorporated - Class A Common Stock (QSI) traded between $0.69 and $3.10 over the past 52 weeks and last traded at $1.48, 52.4% below its 52-week high. Over the past week it ranged between $0.78 and $1.48.

Past 12 Months
+76.8%
+94.8%
+58.5%
+97.2%
+27.2%
+1.0%
1W +$0.64
1M +$0.72
3M +$0.54
6M +$0.73
YTD +$0.32
1Y +$0.02

QSI was +1.0% over the past year, +97.2% over six months, +27.2% year to date, +76.8% in the last week.

12 Months vs Market
QSI
+1.0%
DIA
+10.0%
SPY
+15.0%
QQQ
+24.1%
IWM
+16.1%

Over the past 12 months QSI returned +1.0% versus DIA (Dow) +10.0%, SPY (S&P 500) +15.0%, QQQ (Nasdaq 100) +24.1% and IWM (Russell 2000) +16.1%.

Volume & Liquidity 3.83× 3-mo avg
Today 13,353,460 3-mo avg 3.5M
1W
14.8M
1M
4.5M
3M
3.5M
6M
4.8M
YTD
4.6M
1Y
5.9M

QSI most recently traded 13,353,460 shares against a 3-month average daily volume of 3.5M.

More News

Read More

Frequently Asked Questions

Is Quantum-Si Incorporated - Class A Common Stock publicly traded?
Yes, Quantum-Si Incorporated - Class A Common Stock is publicly traded.
What exchange does Quantum-Si Incorporated - Class A Common Stock trade on?
Quantum-Si Incorporated - Class A Common Stock trades on the Nasdaq Stock Market
What is the ticker symbol for Quantum-Si Incorporated - Class A Common Stock?
The ticker symbol for Quantum-Si Incorporated - Class A Common Stock is QSI on the Nasdaq Stock Market
What is the current price of Quantum-Si Incorporated - Class A Common Stock?
The current price of Quantum-Si Incorporated - Class A Common Stock is 1.475
When was Quantum-Si Incorporated - Class A Common Stock last traded?
The last trade of Quantum-Si Incorporated - Class A Common Stock was at 10/02/26 01:51 PM ET
Stock Quote API & Stock News API supplied by www.cloudquote.io
Quotes delayed at least 20 minutes.
By accessing this page, you agree to the Privacy Policy and Terms Of Service.