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

0.9806 +0.1158 (+13.39%)
Streaming Delayed Price Updated: 4:00 PM EDT, Apr 30, 2026 Add to My Watchlist

Historical Prices

Date Open High Low Close Volume Change (%)
Apr 30, 2026 0.8765 1.020 0.8765 0.9806 11,911,181 +0.12(+13.39%)
Apr 29, 2026 0.9016 0.9066 0.8631 0.8648 3,430,394 -0.05(-5.18%)
Apr 28, 2026 0.8900 0.9400 0.8853 0.9120 3,153,895 +0.01(+1.30%)
Apr 27, 2026 0.9100 0.9400 0.8714 0.9003 3,112,628 -0.01(-0.61%)
Apr 24, 2026 0.9770 0.9770 0.9020 0.9058 7,282,603 -0.03(-3.70%)
Apr 23, 2026 1.030 1.040 0.9201 0.9406 7,309,928 -0.12(-11.26%)
Apr 22, 2026 0.9900 1.070 0.9606 1.060 11,053,443 +0.08(+8.50%)
Apr 21, 2026 1.000 1.050 0.9750 0.9770 5,184,339 -0.03(-3.27%)
Apr 20, 2026 1.020 1.060 0.9802 1.010 7,816,199 -0.06(-5.61%)
Apr 17, 2026 1.070 1.140 1.060 1.070 7,021,507 +0.03(+2.88%)
Apr 16, 2026 1.080 1.090 1.000 1.040 7,631,020 -0.01(-0.95%)
Apr 15, 2026 0.9000 1.060 0.8987 1.050 17,652,840 +0.21(+24.88%)
Apr 14, 2026 0.8000 0.8629 0.8000 0.8408 3,061,516 +0.05(+6.61%)
Apr 13, 2026 0.7400 0.7948 0.7221 0.7887 2,642,031 +0.05(+6.51%)
Apr 10, 2026 0.7500 0.7700 0.7323 0.7405 1,881,863 -0.01(-0.86%)
Apr 09, 2026 0.7500 0.7598 0.7259 0.7469 2,635,675 -0.00(-0.48%)
Apr 08, 2026 0.7750 0.7830 0.7376 0.7505 3,187,363 +0.04(+5.50%)
Apr 07, 2026 0.7295 0.7320 0.6912 0.7114 3,451,451 -0.02(-2.43%)
Apr 06, 2026 0.7400 0.7730 0.7280 0.7291 1,886,833 -0.02(-2.50%)
Apr 02, 2026 0.7400 0.7594 0.7154 0.7478 2,571,805 +0.00(+0.03%)
Apr 01, 2026 0.7948 0.7960 0.7452 0.7476 2,353,229 -0.03(-3.41%)
Mar 31, 2026 0.7580 0.7966 0.7553 0.7740 2,853,446 +0.04(+4.91%)
Mar 30, 2026 0.7594 0.7750 0.7252 0.7378 3,757,562 -0.03(-3.44%)
Mar 27, 2026 0.8000 0.8181 0.7556 0.7641 3,169,678 -0.04(-5.52%)
Mar 26, 2026 0.8558 0.8587 0.8070 0.8087 2,618,218 -0.06(-6.51%)
Mar 25, 2026 0.8600 0.8973 0.8600 0.8650 2,547,289 +0.01(+1.63%)
Mar 24, 2026 0.8901 0.8999 0.8302 0.8511 2,655,829 -0.05(-5.22%)
Mar 23, 2026 0.8500 0.9056 0.7920 0.8980 4,562,909 +0.05(+6.26%)
Mar 20, 2026 0.8655 0.8751 0.8305 0.8451 3,813,490 -0.02(-1.88%)
Mar 19, 2026 0.8800 0.8861 0.8517 0.8613 2,418,960 -0.02(-2.39%)
Mar 18, 2026 0.9288 0.9358 0.8811 0.8824 3,132,274 -0.05(-5.14%)
Mar 17, 2026 0.9455 0.9600 0.9235 0.9302 2,775,957 -0.01(-1.41%)
Mar 16, 2026 0.9500 0.9800 0.9408 0.9435 2,701,259 -0.01(-0.64%)
Mar 13, 2026 0.9846 1.010 0.9333 0.9496 2,835,010 -0.03(-2.70%)
Mar 12, 2026 1.020 1.020 0.9500 0.9760 3,975,009 -0.07(-7.05%)
Mar 11, 2026 1.050 1.070 1.000 1.050 3,568,758 +0.01(+0.96%)
Mar 10, 2026 0.9400 1.100 0.9352 1.040 8,449,920 +0.11(+12.32%)
Mar 09, 2026 0.8750 0.9326 0.8500 0.9259 4,933,230 +0.06(+7.44%)
Mar 06, 2026 0.8900 0.9000 0.8420 0.8618 5,636,905 -0.05(-5.24%)
Mar 05, 2026 0.9000 0.9735 0.8906 0.9095 4,155,313 -0.00(-0.05%)
Mar 04, 2026 0.9480 0.9750 0.9100 0.9100 2,953,642 -0.04(-4.01%)
Mar 03, 2026 0.9200 0.9747 0.8973 0.9480 3,165,030 +0.01(+1.56%)
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