QSI
Quantum-Si Incorporated Class A Common Stock
stockNASDAQ
at quantum-si we have a created a very unique environment where bright, highly committed individuals are given the freedom, ownership, and resources to solve tough problems and be the first to do new science. we are fully-funded by successful founders so employees can focus on creating, building, learning, and getting to market products that will change the world. if you are looking for a new challenge, check out our job postings at https://www.4catalyzer.com empower discovery. empower health. empower you.
| Period | Price | Date | Change | Beta |
|---|---|---|---|---|
| 1W | 1.55 | 2026-10-02 | -1.26% | -11.422 |
| 1M | 0.75 | 2026-09-09 | +104.07% | 0.909 |
| 3M | 0.96 | 2026-07-09 | +59.03% | 1.841 |
| 6M | 0.75 | 2026-04-09 | +104.91% | 3.278 |
| 1Y | 1.74 | 2025-10-09 | -12.04% | 3.417 |
| 2Y | 0.82 | 2024-10-09 | +87.75% | — |
| 5Y | 8.33 | 2021-10-08 | -81.63% | 2.267 |
Quantum-Si Incorporated Class A Common Stock (NASDAQ:QSI) stock price today is $1.53, and today's volume is 39,911,339. QSI is up 25.451% today. The 30 day average volume is 5.48M. QSI market cap is $335.00M with 218.88M shares outstanding.