Quantum-Si incorporated (QSI) NASDAQ
1.24
+0.055(+4.66%)
Currency In USD
- General
- Statistics
- Historical Data
- Profile
- Financials
QSI Historical Return
If you invested $1000 in Quantum-Si incorporated (QSI) since IPO date, it would be worth $120.95 as of June 02, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $117.85, while $1000 invested 1 year ago would be worth $711.31. This corresponds to total returns of -87.9%, -88.21%, -28.87%, respectively, with annualized returns of -31.64%, -34.78%, -28.87%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
QSI Historical Data
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| June 01, 2026 | 1.17 | 1.18 | 1.18 | 1.25 | 1.12 | 7.39M |
| May 29, 2026 | 1.21 | 1.19 | 1.19 | 1.21 | 1.11 | 7.27M |
| May 28, 2026 | 1.11 | 1.2 | 1.2 | 1.21 | 1.08 | 7.3M |
| May 27, 2026 | 1.06 | 1.13 | 1.13 | 1.19 | 1.03 | 8.53M |
| May 26, 2026 | 1.08 | 1.08 | 1.08 | 1.09 | 1.01 | 7.46M |
| May 22, 2026 | 1 | 1.06 | 1.06 | 1.09 | 1 | 8.79M |
| May 21, 2026 | 0.87 | 0.99 | 0.99 | 0.99 | 0.87 | 11.06M |
| May 20, 2026 | 0.87 | 0.88 | 0.88 | 0.88 | 0.84 | 4.66M |
| May 19, 2026 | 0.84 | 0.86 | 0.86 | 0.87 | 0.82 | 3.09M |
| May 18, 2026 | 0.9 | 0.85 | 0.85 | 0.9 | 0.83 | 4.55M |
| May 15, 2026 | 0.91 | 0.89 | 0.89 | 0.91 | 0.88 | 3.68M |
| May 14, 2026 | 0.93 | 0.93 | 0.93 | 0.96 | 0.91 | 4.41M |
| May 13, 2026 | 0.93 | 0.93 | 0.93 | 0.96 | 0.9 | 4.83M |
| May 12, 2026 | 0.92 | 0.94 | 0.94 | 1.03 | 0.9 | 10.02M |
| May 11, 2026 | 0.9 | 0.92 | 0.92 | 0.95 | 0.89 | 5.72M |
| May 08, 2026 | 0.95 | 0.91 | 0.91 | 0.97 | 0.88 | 13.09M |
| May 07, 2026 | 1.03 | 0.98 | 0.98 | 1.03 | 0.96 | 7.04M |
| May 06, 2026 | 0.97 | 1.03 | 1.03 | 1.04 | 0.96 | 7.93M |
| May 05, 2026 | 0.98 | 0.96 | 0.96 | 0.98 | 0.95 | 2.5M |
| May 04, 2026 | 0.95 | 0.97 | 0.97 | 0.99 | 0.94 | 2.86M |
| May 01, 2026 | 0.98 | 0.96 | 0.96 | 1 | 0.94 | 3.56M |
| April 30, 2026 | 0.88 | 0.98 | 0.98 | 1.02 | 0.88 | 11.87M |
| April 29, 2026 | 0.9 | 0.86 | 0.86 | 0.91 | 0.86 | 3.4M |
| April 28, 2026 | 0.89 | 0.91 | 0.91 | 0.94 | 0.89 | 3.08M |
| April 27, 2026 | 0.91 | 0.9 | 0.9 | 0.94 | 0.87 | 3.09M |
| April 24, 2026 | 0.98 | 0.91 | 0.91 | 0.98 | 0.9 | 7.25M |
| April 23, 2026 | 1.03 | 0.94 | 0.94 | 1.04 | 0.92 | 7.29M |
| April 22, 2026 | 0.99 | 1.06 | 1.06 | 1.07 | 0.96 | 11M |
| April 21, 2026 | 1 | 0.98 | 0.98 | 1.05 | 0.98 | 5.13M |
| April 20, 2026 | 1.02 | 1.01 | 1.01 | 1.06 | 0.98 | 7.71M |
| April 17, 2026 | 1.07 | 1.07 | 1.07 | 1.14 | 1.06 | 6.93M |
| April 16, 2026 | 1.08 | 1.04 | 1.04 | 1.09 | 1 | 7.35M |
| April 15, 2026 | 0.9 | 1.05 | 1.05 | 1.06 | 0.9 | 17.21M |
| April 14, 2026 | 0.8 | 0.84 | 0.84 | 0.86 | 0.8 | 3M |
| April 13, 2026 | 0.74 | 0.79 | 0.79 | 0.79 | 0.72 | 2.57M |
| April 10, 2026 | 0.75 | 0.74 | 0.74 | 0.77 | 0.73 | 1.86M |
| April 09, 2026 | 0.75 | 0.75 | 0.75 | 0.76 | 0.73 | 2.61M |
| April 08, 2026 | 0.78 | 0.75 | 0.75 | 0.78 | 0.74 | 3.14M |
| April 07, 2026 | 0.73 | 0.71 | 0.71 | 0.73 | 0.69 | 3.52M |
| April 06, 2026 | 0.74 | 0.73 | 0.73 | 0.77 | 0.73 | 1.84M |
| April 02, 2026 | 0.74 | 0.75 | 0.75 | 0.76 | 0.72 | 2.54M |
| April 01, 2026 | 0.79 | 0.75 | 0.75 | 0.8 | 0.75 | 2.33M |
| March 31, 2026 | 0.76 | 0.77 | 0.77 | 0.8 | 0.76 | 2.82M |
| March 30, 2026 | 0.76 | 0.74 | 0.74 | 0.78 | 0.73 | 3.74M |
| March 27, 2026 | 0.8 | 0.76 | 0.76 | 0.82 | 0.76 | 3.1M |
| March 26, 2026 | 0.86 | 0.81 | 0.81 | 0.86 | 0.81 | 2.6M |
| March 25, 2026 | 0.86 | 0.87 | 0.87 | 0.9 | 0.86 | 2.54M |
| March 24, 2026 | 0.89 | 0.85 | 0.85 | 0.9 | 0.83 | 2.64M |
| March 23, 2026 | 0.85 | 0.9 | 0.9 | 0.91 | 0.79 | 4.53M |
| March 20, 2026 | 0.87 | 0.85 | 0.85 | 0.88 | 0.83 | 3.79M |
| March 19, 2026 | 0.88 | 0.86 | 0.86 | 0.89 | 0.85 | 2.41M |
| March 18, 2026 | 0.93 | 0.88 | 0.88 | 0.94 | 0.88 | 3.1M |
| March 17, 2026 | 0.95 | 0.93 | 0.93 | 0.96 | 0.92 | 2.76M |
| March 16, 2026 | 0.96 | 0.94 | 0.94 | 0.98 | 0.94 | 2.66M |
| March 13, 2026 | 0.98 | 0.95 | 0.95 | 1.01 | 0.93 | 2.83M |
| March 12, 2026 | 1.02 | 0.98 | 0.98 | 1.02 | 0.95 | 3.96M |
| March 11, 2026 | 1.05 | 1.05 | 1.05 | 1.07 | 1 | 3.53M |
| March 10, 2026 | 0.94 | 1.04 | 1.04 | 1.1 | 0.94 | 8.42M |
| March 09, 2026 | 0.88 | 0.93 | 0.93 | 0.93 | 0.85 | 4.87M |
| March 06, 2026 | 0.89 | 0.86 | 0.86 | 0.9 | 0.84 | 5.64M |