Financial News
Quantum-Si Incorporated - Class A Common Stock (NQ:QSI)
2.340
-0.250
(-9.65%)
Streaming Delayed Price
Updated: 4:00 PM EDT, Oct 21, 2025
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Historical Prices
Year:
| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Oct 21, 2025 | 2.475 | 2.520 | 2.270 | 2.340 | 15,319,770 | -0.25(-9.48%) |
| Oct 20, 2025 | 2.420 | 2.730 | 2.390 | 2.585 | 22,032,710 | +0.31(+13.38%) |
| Oct 17, 2025 | 2.380 | 2.525 | 2.260 | 2.280 | 20,988,704 | -0.26(-10.24%) |
| Oct 16, 2025 | 2.810 | 3.100 | 2.500 | 2.540 | 49,265,088 | -0.09(-3.42%) |
| Oct 15, 2025 | 2.450 | 2.750 | 2.355 | 2.630 | 53,503,456 | +0.48(+22.33%) |
| Oct 14, 2025 | 2.010 | 2.260 | 1.960 | 2.150 | 23,689,958 | +0.07(+3.37%) |
| Oct 13, 2025 | 1.750 | 2.130 | 1.730 | 2.080 | 33,209,294 | +0.41(+24.55%) |
| Oct 10, 2025 | 1.810 | 1.950 | 1.660 | 1.670 | 21,776,930 | -0.07(-4.02%) |
| Oct 09, 2025 | 1.770 | 1.800 | 1.690 | 1.740 | 6,817,330 | -0.03(-1.69%) |
| Oct 08, 2025 | 1.760 | 1.820 | 1.700 | 1.770 | 8,787,563 | +0.00(+0.00%) |
| Oct 07, 2025 | 1.850 | 1.920 | 1.680 | 1.770 | 18,167,112 | -0.04(-2.21%) |
| Oct 06, 2025 | 1.710 | 1.870 | 1.660 | 1.810 | 17,189,342 | +0.09(+5.23%) |
| Oct 03, 2025 | 1.570 | 1.760 | 1.560 | 1.720 | 19,291,724 | +0.18(+11.69%) |
| Oct 02, 2025 | 1.490 | 1.560 | 1.460 | 1.540 | 7,994,275 | +0.08(+5.48%) |
| Oct 01, 2025 | 1.420 | 1.500 | 1.410 | 1.460 | 5,474,205 | +0.05(+3.55%) |
| Sep 30, 2025 | 1.360 | 1.440 | 1.350 | 1.410 | 5,721,191 | +0.02(+1.44%) |
| Sep 29, 2025 | 1.400 | 1.425 | 1.350 | 1.390 | 9,482,767 | -0.10(-6.71%) |
| Sep 26, 2025 | 1.540 | 1.610 | 1.470 | 1.490 | 7,822,781 | -0.02(-1.32%) |
| Sep 25, 2025 | 1.520 | 1.550 | 1.440 | 1.510 | 10,671,855 | -0.10(-6.21%) |
| Sep 24, 2025 | 1.640 | 1.750 | 1.590 | 1.610 | 13,221,169 | +0.01(+0.63%) |
| Sep 23, 2025 | 1.780 | 1.790 | 1.560 | 1.600 | 21,250,764 | -0.10(-5.88%) |
| Sep 22, 2025 | 1.520 | 1.730 | 1.430 | 1.700 | 24,817,220 | +0.20(+13.33%) |
| Sep 19, 2025 | 1.470 | 1.600 | 1.450 | 1.500 | 23,200,224 | -0.03(-1.96%) |
| Sep 18, 2025 | 1.310 | 1.640 | 1.308 | 1.530 | 37,112,208 | +0.27(+21.43%) |
| Sep 17, 2025 | 1.300 | 1.340 | 1.240 | 1.260 | 10,286,386 | -0.07(-5.26%) |
| Sep 16, 2025 | 1.290 | 1.340 | 1.250 | 1.330 | 7,274,653 | +0.07(+5.56%) |
| Sep 15, 2025 | 1.200 | 1.290 | 1.180 | 1.260 | 8,864,964 | +0.08(+6.78%) |
| Sep 12, 2025 | 1.220 | 1.260 | 1.170 | 1.180 | 6,110,619 | -0.02(-1.67%) |
| Sep 11, 2025 | 1.110 | 1.220 | 1.110 | 1.200 | 7,373,390 | +0.08(+7.14%) |
| Sep 10, 2025 | 1.150 | 1.155 | 1.080 | 1.120 | 4,205,076 | -0.03(-2.61%) |
| Sep 09, 2025 | 1.060 | 1.160 | 1.060 | 1.150 | 3,984,695 | +0.09(+8.49%) |
| Sep 08, 2025 | 1.090 | 1.100 | 1.040 | 1.060 | 4,080,056 | -0.02(-1.85%) |
| Sep 05, 2025 | 1.070 | 1.100 | 1.030 | 1.080 | 3,433,262 | +0.01(+0.93%) |
| Sep 04, 2025 | 1.070 | 1.080 | 1.030 | 1.070 | 3,698,079 | +0.00(+0.00%) |
| Sep 03, 2025 | 1.080 | 1.110 | 1.030 | 1.070 | 3,826,359 | -0.01(-0.93%) |
| Sep 02, 2025 | 1.100 | 1.130 | 1.070 | 1.080 | 3,998,894 | -0.04(-3.57%) |
| Aug 29, 2025 | 1.130 | 1.150 | 1.100 | 1.120 | 3,471,790 | -0.03(-2.61%) |
| Aug 28, 2025 | 1.190 | 1.220 | 1.130 | 1.150 | 4,255,532 | -0.01(-0.86%) |
| Aug 27, 2025 | 1.160 | 1.220 | 1.150 | 1.160 | 5,181,200 | -0.01(-0.85%) |
| Aug 26, 2025 | 1.130 | 1.180 | 1.110 | 1.170 | 3,556,982 | +0.03(+2.63%) |
| Aug 25, 2025 | 1.130 | 1.170 | 1.110 | 1.140 | 3,873,101 | +0.00(+0.00%) |
| Aug 22, 2025 | 1.100 | 1.160 | 1.060 | 1.140 | 6,872,465 | +0.03(+2.70%) |
| Aug 21, 2025 | 0.9827 | 1.140 | 0.9800 | 1.110 | 9,272,171 | +0.11(+11.00%) |
| Aug 20, 2025 | 1.010 | 1.020 | 0.9499 | 1.000 | 11,014,103 | -0.03(-2.91%) |
| Aug 19, 2025 | 1.130 | 1.135 | 1.020 | 1.030 | 7,973,307 | -0.06(-5.50%) |
| Aug 18, 2025 | 1.110 | 1.120 | 1.090 | 1.090 | 4,926,486 | -0.01(-0.91%) |
| Aug 15, 2025 | 1.130 | 1.140 | 1.090 | 1.100 | 5,863,658 | -0.02(-1.79%) |
| Aug 14, 2025 | 1.180 | 1.190 | 1.080 | 1.120 | 9,785,153 | -0.05(-4.27%) |
| Aug 13, 2025 | 1.190 | 1.205 | 1.140 | 1.170 | 7,907,431 | +0.01(+0.86%) |
| Aug 12, 2025 | 1.200 | 1.215 | 1.140 | 1.160 | 9,845,111 | -0.04(-3.33%) |
| Aug 11, 2025 | 1.270 | 1.280 | 1.180 | 1.200 | 8,630,687 | -0.07(-5.51%) |
| Aug 08, 2025 | 1.330 | 1.345 | 1.260 | 1.270 | 6,536,102 | -0.06(-4.51%) |
| Aug 07, 2025 | 1.360 | 1.380 | 1.310 | 1.330 | 4,172,793 | -0.04(-2.92%) |
| Aug 06, 2025 | 1.360 | 1.387 | 1.270 | 1.370 | 8,478,716 | -0.07(-4.86%) |
| Aug 05, 2025 | 1.460 | 1.477 | 1.400 | 1.440 | 7,762,587 | +0.00(+0.00%) |
| Aug 04, 2025 | 1.490 | 1.490 | 1.430 | 1.440 | 4,362,632 | -0.02(-1.37%) |
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