Quantum-Si incorporated (QSI) NASDAQ

Currency In USD

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QSI Historical Return

If you invested $1000 in Quantum-Si incorporated (QSI) since IPO date, it would be worth $96.21 as of June 22, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $93.29, while $1000 invested 1 year ago would be worth $576.12. This corresponds to total returns of -90.38%, -90.67%, -42.39%, respectively, with annualized returns of -34.13%, -37.76%, -42.39%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

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QSI Historical Data

Date Range:

DateOpenCloseAdj CloseHighLowVolume
June 22, 202610.920.921.070.925.88M
June 18, 20260.96111.030.966.33M
June 17, 20260.970.940.9410.933.45M
June 16, 202610.950.9510.943.71M
June 15, 20261.010.990.991.050.989.41M
June 12, 20260.980.950.951.010.933.3M
June 11, 20260.950.970.970.980.923.4M
June 10, 20260.980.950.951.020.953.41M
June 09, 20261.060.990.991.080.948.09M
June 08, 20261.091.061.061.11.034.29M
June 05, 20261.251.051.051.251.010
June 04, 20261.191.281.281.31.179.51M
June 03, 20261.221.191.191.221.167.87M
June 02, 20261.171.241.241.261.167.35M
June 01, 20261.171.181.181.251.127.39M
May 29, 20261.211.191.191.211.117.27M
May 28, 20261.111.21.21.211.087.3M
May 27, 20261.061.131.131.191.038.53M
May 26, 20261.081.081.081.091.017.46M
May 22, 202611.061.061.0918.79M
May 21, 20260.870.990.990.990.8711.06M
May 20, 20260.870.880.880.880.844.66M
May 19, 20260.840.860.860.870.823.09M
May 18, 20260.90.850.850.90.834.55M
May 15, 20260.910.890.890.910.883.68M
May 14, 20260.930.930.930.960.914.41M
May 13, 20260.930.930.930.960.94.83M
May 12, 20260.920.940.941.030.910.02M
May 11, 20260.90.920.920.950.895.72M
May 08, 20260.950.910.910.970.8813.09M
May 07, 20261.030.980.981.030.967.04M
May 06, 20260.971.031.031.040.967.93M
May 05, 20260.980.960.960.980.952.5M
May 04, 20260.950.970.970.990.942.86M
May 01, 20260.980.960.9610.943.56M
April 30, 20260.880.980.981.020.8811.87M
April 29, 20260.90.860.860.910.863.4M
April 28, 20260.890.910.910.940.893.08M
April 27, 20260.910.90.90.940.873.09M
April 24, 20260.980.910.910.980.97.25M
April 23, 20261.030.940.941.040.927.29M
April 22, 20260.991.061.061.070.9611M
April 21, 202610.980.981.050.985.13M
April 20, 20261.021.011.011.060.987.71M
April 17, 20261.071.071.071.141.066.93M
April 16, 20261.081.041.041.0917.35M
April 15, 20260.91.051.051.060.917.21M
April 14, 20260.80.840.840.860.83M
April 13, 20260.740.790.790.790.722.57M
April 10, 20260.750.740.740.770.731.86M
April 09, 20260.750.750.750.760.732.61M
April 08, 20260.780.750.750.780.743.14M
April 07, 20260.730.710.710.730.693.52M
April 06, 20260.740.730.730.770.731.84M
April 02, 20260.740.750.750.760.722.54M
April 01, 20260.790.750.750.80.752.33M
March 31, 20260.760.770.770.80.762.82M
March 30, 20260.760.740.740.780.733.74M
March 27, 20260.80.760.760.820.763.1M
March 26, 20260.860.810.810.860.812.6M
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