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QSI
Quantum-Si Incorporated Class A Common Stock
stock NASDAQ

At Close

Sep 29, 2026 3:59:48 PM EDT

0.9600USD+20.792%(+0.1650)22,869,241

0.9100Bid 1.00Ask 0.0900Spread

Pre-market

Sep 29, 2026 9:17:30 AM EDT

0.8154USD+2.566%(+0.0204)4,184

After-hours

Sep 29, 2026 4:59:30 PM EDT

0.9556USD-0.489%(-0.0047)64,631

OverviewOptionsHistoricalExchangesShortsMore

Date (EDT)	Open	High	Low	Close	Change	Volume	Change Since
2026-09-29	0.8300	1.010000	0.830000	0.9600	+20.755%	22,869,241	0.000%
2026-09-28	0.8250	0.833800	0.795000	0.7950	-4.711%	1,567,027	+20.755%
2026-09-25	0.7943	0.840000	0.775501	0.8343	+6.280%	2,593,483	+15.067%
2026-09-24	0.7500	0.799100	0.743400	0.7850	+3.466%	1,593,305	+22.293%
2026-09-23	0.7900	0.805000	0.751500	0.7587	-3.313%	1,476,525	+26.532%
2026-09-22	0.7600	0.792000	0.751100	0.7847	+3.810%	2,429,915	+22.340%
2026-09-21	0.7588	0.766100	0.750000	0.7559	+1.449%	1,126,539	+27.001%
2026-09-18	0.7900	0.801500	0.740000	0.7451	-3.234%	1,713,327	+28.842%
2026-09-17	0.7495	0.796300	0.749500	0.7700	+5.465%	2,826,084	+24.675%
2026-09-16	0.7210	0.753200	0.721000	0.7301	+1.403%	915,220	+31.489%
2026-09-15	0.7200	0.740900	0.720000	0.7200	-0.690%	1,166,814	+33.333%
2026-09-14	0.7287	0.747800	0.720100	0.7250	-2.027%	1,390,457	+32.414%
2026-09-11	0.7391	0.755000	0.739100	0.7400	+0.122%	1,074,255	+29.730%
2026-09-10	0.7500	0.755000	0.725100	0.7391	-1.453%	1,715,326	+29.888%
2026-09-09	0.7602	0.774800	0.746000	0.7500	-1.316%	1,449,017	+28.000%
2026-09-08	0.7672	0.790000	0.760000	0.7600	-0.783%	1,054,362	+26.316%
2026-09-04	0.7600	0.774200	0.760000	0.7660	+0.657%	898,781	+25.326%
2026-09-03	0.7669	0.786200	0.760000	0.7610	0.000%	979,997	+26.150%
2026-09-02	0.7586	0.785000	0.750000	0.7610	+0.489%	1,619,344	+26.150%
2026-09-01	0.7500	0.776800	0.749900	0.7573	-1.123%	1,504,027	+26.766%
2026-08-31	0.7787	0.780000	0.763000	0.7659	-1.808%	1,134,396	+25.343%
2026-08-28	0.8219	0.822000	0.770000	0.7800	-2.876%	2,417,640	+23.077%
2026-08-27	0.7911	0.833700	0.790000	0.8031	+1.581%	1,375,317	+19.537%
2026-08-26	0.8500	0.855000	0.790100	0.7906	-6.692%	2,662,929	+21.427%
2026-08-25	0.7888	0.859000	0.781700	0.8473	+10.139%	4,371,715	+13.301%
2026-08-24	0.8000	0.830000	0.751500	0.7693	-7.868%	3,853,818	+24.789%
2026-08-21	0.7848	0.931000	0.780000	0.8350	+7.051%	7,825,143	+14.970%
2026-08-20	0.7666	0.809900	0.766600	0.7800	+1.286%	3,233,618	+23.077%
2026-08-19	0.7193	0.784500	0.719300	0.7701	+5.783%	2,863,169	+24.659%
2026-08-18	0.7325	0.743900	0.718400	0.7280	-2.177%	1,520,321	+31.868%
2026-08-17	0.7400	0.795000	0.739400	0.7442	+0.595%	2,429,723	+28.998%
2026-08-14	0.7500	0.767000	0.710000	0.7398	-6.354%	7,000,672	+29.765%
2026-08-13	0.8550	0.913800	0.790000	0.7900	-5.660%	4,378,334	+21.519%
2026-08-12	0.8308	0.869900	0.825550	0.8374	+2.097%	1,499,137	+14.641%
2026-08-11	0.7951	0.848900	0.795100	0.8202	+3.810%	2,056,311	+17.045%
2026-08-10	0.8176	0.840000	0.790100	0.7901	-2.984%	2,434,392	+21.504%
2026-08-07	0.7618	0.828500	0.761800	0.8144	+7.868%	2,730,131	+17.878%
2026-08-06	0.7522	0.779000	0.750000	0.7550	-0.198%	1,493,531	+27.152%
2026-08-05	0.7752	0.792590	0.756500	0.7565	-1.163%	2,484,839	+26.900%
2026-08-04	0.7642	0.796000	0.764200	0.7654	+2.601%	3,986,332	+25.425%
2026-08-03	0.7200	0.759900	0.711000	0.7460	+4.716%	2,706,253	+28.686%
2026-07-31	0.7300	0.748000	0.710000	0.7124	-1.056%	1,840,507	+34.756%
2026-07-30	0.7256	0.744100	0.690000	0.7200	+2.520%	3,557,134	+33.333%
2026-07-29	0.7574	0.779900	0.702300	0.7023	-7.665%	4,102,775	+36.694%
2026-07-28	0.7750	0.779900	0.740100	0.7606	-2.910%	3,268,923	+26.216%
2026-07-27	0.7884	0.809700	0.771500	0.7834	+1.727%	1,086,514	+22.543%
2026-07-24	0.7944	0.801200	0.760800	0.7701	-2.519%	2,588,776	+24.659%
2026-07-23	0.7900	0.828000	0.780900	0.7900	-1.250%	3,288,671	+21.519%
2026-07-22	0.8100	0.845400	0.800000	0.8000	-4.306%	2,843,613	+20.000%
2026-07-21	0.8216	0.849800	0.821600	0.8360	+2.326%	1,470,895	+14.833%
2026-07-20	0.8300	0.842200	0.809900	0.8170	-0.657%	1,502,340	+17.503%
2026-07-17	0.8200	0.846150	0.803000	0.8224	+0.378%	2,295,009	+16.732%
2026-07-16	0.8540	0.855750	0.806000	0.8193	-4.954%	3,743,407	+17.173%
2026-07-15	0.8727	0.896000	0.860000	0.8620	-0.485%	2,255,408	+11.369%
2026-07-14	0.8700	0.900000	0.861000	0.8662	-0.357%	1,202,687	+10.829%
2026-07-13	0.8800	0.882800	0.850000	0.8693	-1.518%	3,532,949	+10.434%
2026-07-10	0.9464	0.954350	0.882000	0.8827	-8.281%	2,906,542	+8.757%
2026-07-09	0.9100	0.969800	0.902001	0.9624	+5.445%	2,575,864	-0.249%
2026-07-08	0.8855	0.930000	0.885500	0.9127	-0.740%	3,422,649	+5.182%
2026-07-07	0.9369	0.947800	0.901000	0.9195	-3.383%	3,710,303	+4.405%
2026-07-06	0.9280	0.979900	0.927500	0.9517	+2.289%	2,626,555	+0.872%
2026-07-02	0.9257	1.010000	0.920200	0.9304	+0.682%	6,037,314	+3.181%
2026-07-01	0.8800	0.964000	0.879200	0.9241	+4.418%	5,506,506	+3.885%
2026-06-30	0.8800	0.916599	0.870000	0.8850	-0.439%	3,187,245	+8.475%
2026-06-29	0.8587	0.913890	0.850000	0.8889	+3.989%	3,989,704	+7.999%
2026-06-26	0.8377	0.889800	0.795100	0.8548	-0.292%	18,909,694	+12.307%
2026-06-25	0.8500	0.887290	0.780200	0.8573	+3.639%	8,412,380	+11.979%
2026-06-24	0.9000	0.918000	0.825100	0.8272	-6.000%	5,134,224	+16.054%
2026-06-23	0.9100	0.930000	0.880000	0.8800	-4.472%	5,546,421	+9.091%
2026-06-22	1.0000	1.070000	0.920800	0.9212	-7.788%	5,934,924	+4.212%
2026-06-18	0.9638	1.030000	0.960000	0.9990	+5.793%	6,343,780	-3.904%
2026-06-17	0.9700	0.996000	0.931200	0.9443	-1.017%	3,473,136	+1.663%
2026-06-16	0.9950	0.995000	0.940000	0.9540	-3.490%	3,727,902	+0.629%
2026-06-15	1.0100	1.050000	0.982100	0.9885	+4.415%	9,422,150	-2.883%
2026-06-12	0.9849	1.010000	0.933150	0.9467	-2.703%	3,328,009	+1.405%
2026-06-11	0.9460	0.984700	0.915000	0.9730	+2.800%	3,444,733	-1.336%
2026-06-10	0.9751	1.020000	0.946400	0.9465	-4.113%	3,451,896	+1.426%
2026-06-09	1.0600	1.080000	0.940000	0.9871	-6.877%	8,116,900	-2.745%
2026-06-08	1.0900	1.095000	1.030000	1.0600	+0.952%	4,310,429	-9.434%
2026-06-05	1.2500	1.250000	1.010000	1.0500	-17.969%	8,905,019	-8.571%
2026-06-04	1.1900	1.300000	1.173700	1.2800	+7.563%	9,559,237	-25.000%
2026-06-03	1.2200	1.220000	1.160000	1.1900	-4.032%	7,952,204	-19.328%
2026-06-02	1.1700	1.260000	1.160000	1.2400	+5.085%	7,380,078	-22.581%
2026-06-01	1.1700	1.250000	1.120000	1.1800	-0.840%	7,407,284	-18.644%
2026-05-29	1.2050	1.210000	1.110000	1.1900	-0.833%	7,289,735	-19.328%
2026-05-28	1.1100	1.210000	1.084000	1.2000	+6.195%	7,411,583	-20.000%
2026-05-27	1.0600	1.185000	1.030000	1.1300	+4.630%	8,573,709	-15.044%
2026-05-26	1.0800	1.090000	1.010000	1.0800	+1.887%	7,550,891	-11.111%
2026-05-22	0.9994	1.090000	0.995500	1.0600	+7.071%	8,816,195	-9.434%
2026-05-21	0.8700	0.990000	0.867000	0.9900	+13.052%	11,364,548	-3.030%
2026-05-20	0.8720	0.880000	0.840600	0.8757	+1.707%	4,706,238	+9.627%
2026-05-19	0.8500	0.866500	0.821000	0.8610	+0.831%	3,116,004	+11.498%
2026-05-18	0.8955	0.895500	0.826800	0.8539	-4.067%	4,577,467	+12.425%
2026-05-15	0.9054	0.911100	0.882000	0.8901	-4.588%	3,706,076	+7.853%
2026-05-14	0.9333	0.960000	0.905000	0.9329	+0.377%	4,436,224	+2.905%
2026-05-13	0.9300	0.958400	0.902200	0.9294	-1.599%	4,868,988	+3.292%
2026-05-12	0.9204	1.030000	0.900000	0.9445	+2.418%	10,063,496	+1.641%
2026-05-11	0.9000	0.947800	0.890000	0.9222	+1.721%	5,786,596	+4.099%
2026-05-08	0.9500	0.973400	0.880000	0.9066	-7.546%	13,192,854	+5.890%
2026-05-07	1.0300	1.030000	0.956000	0.9806	-4.796%	7,220,967	-2.101%
2026-05-06	0.9710	1.040000	0.962000	1.0300	+7.147%	8,075,250	-6.796%
2026-05-05	0.9800	0.984400	0.945500	0.9613	-1.050%	2,515,971	-0.135%
2026-05-04	0.9500	0.985000	0.940000	0.9715	+1.388%	2,873,511	-1.184%
2026-05-01	0.9810	1.000000	0.941900	0.9582	-2.284%	3,590,011	+0.188%
2026-04-30	0.8765	1.020000	0.876500	0.9806	+13.390%	11,918,778	-2.101%
2026-04-29	0.9016	0.906600	0.863100	0.8648	-5.175%	3,449,640	+11.008%
2026-04-28	0.8900	0.940000	0.885300	0.9120	+1.300%	3,159,351	+5.263%
2026-04-27	0.9100	0.940000	0.871400	0.9003	-0.607%	3,105,813	+6.631%
2026-04-24	0.9770	0.977000	0.902000	0.9058	-3.700%	7,282,501	+5.984%
2026-04-23	1.0300	1.040000	0.920100	0.9406	-11.264%	7,311,020	+2.063%
2026-04-22	0.9914	1.070000	0.960600	1.0600	+8.495%	11,054,678	-9.434%
2026-04-21	1.0000	1.050000	0.975000	0.9770	-3.267%	5,203,062	-1.740%
2026-04-20	1.0200	1.060000	0.980200	1.0100	-5.607%	7,820,542	-4.950%
2026-04-17	1.0700	1.140000	1.060100	1.0700	+2.885%	7,021,501	-10.280%
2026-04-16	1.0800	1.090000	1.000000	1.0400	-0.952%	7,641,472	-7.692%
2026-04-15	0.9000	1.060000	0.898700	1.0500	+24.881%	17,707,467	-8.571%
2026-04-14	0.8000	0.862900	0.800000	0.8408	+6.606%	3,070,567	+14.177%
2026-04-13	0.7400	0.794800	0.722100	0.7887	+6.509%	2,650,508	+21.719%
2026-04-10	0.7500	0.770000	0.732300	0.7405	-0.857%	1,881,855	+29.642%
2026-04-09	0.7500	0.759800	0.725900	0.7469	-0.480%	2,638,195	+28.531%
2026-04-08	0.7750	0.783000	0.737600	0.7505	+5.496%	3,188,983	+27.915%
2026-04-07	0.7295	0.732000	0.691200	0.7114	-2.428%	3,515,255	+34.945%
2026-04-06	0.7400	0.773000	0.728000	0.7291	-2.501%	1,890,501	+31.669%
2026-04-02	0.7400	0.759400	0.715400	0.7478	+0.027%	2,571,804	+28.377%
2026-04-01	0.7948	0.796000	0.745200	0.7476	-3.411%	2,354,460	+28.411%
2026-03-31	0.7580	0.796600	0.755300	0.7740	+4.906%	2,872,471	+24.031%
2026-03-30	0.7594	0.775000	0.725200	0.7378	-3.442%	3,758,169	+30.117%
2026-03-27	0.8000	0.818100	0.755600	0.7641	-5.515%	3,169,678	+25.638%
2026-03-26	0.8558	0.858700	0.807000	0.8087	-6.509%	2,619,269	+18.709%
2026-03-25	0.8600	0.897300	0.860000	0.8650	+1.633%	2,549,869	+10.983%
2026-03-24	0.8901	0.899900	0.830200	0.8511	-5.223%	2,660,282	+12.795%
2026-03-23	0.8500	0.905600	0.792000	0.8980	+6.260%	4,568,839	+6.904%
2026-03-20	0.8655	0.875100	0.830500	0.8451	-1.881%	3,813,338	+13.596%
2026-03-19	0.8800	0.886100	0.851700	0.8613	-2.391%	2,419,119	+11.459%
2026-03-18	0.9288	0.935750	0.881100	0.8824	-5.139%	3,158,802	+8.794%
2026-03-17	0.9455	0.960000	0.923500	0.9302	-1.410%	2,787,097	+3.204%
2026-03-16	0.9550	0.980000	0.940800	0.9435	-0.642%	2,701,770	+1.749%
2026-03-13	0.9846	1.010000	0.933300	0.9496	-2.705%	2,835,010	+1.095%
2026-03-12	1.0200	1.020000	0.950000	0.9760	-7.048%	3,977,827	-1.639%
2026-03-11	1.0500	1.070000	1.000400	1.0500	+0.962%	3,613,642	-8.571%
2026-03-10	0.9400	1.100000	0.935200	1.0400	+12.323%	8,474,558	-7.692%
2026-03-09	0.8750	0.932600	0.850000	0.9259	+7.438%	4,955,007	+3.683%
2026-03-06	0.8900	0.900000	0.842000	0.8618	-5.245%	5,636,902	+11.395%
2026-03-05	0.9000	0.973500	0.890600	0.9095	-0.055%	4,219,538	+5.553%
2026-03-04	0.9480	0.975000	0.910000	0.9100	-4.008%	2,970,475	+5.495%
2026-03-03	0.9200	0.974700	0.897300	0.9480	+1.564%	3,196,938	+1.266%
2026-03-02	0.9300	0.955300	0.910000	0.9334	-2.405%	1,840,207	+2.850%
2026-02-27	0.9789	1.000000	0.950000	0.9564	-5.307%	2,595,523	+0.376%
2026-02-26	1.0100	1.025000	0.968700	1.0100	+2.010%	2,267,851	-4.950%
2026-02-25	0.9466	1.020000	0.930200	0.9901	+6.439%	3,162,889	-3.040%
2026-02-24	0.9100	0.954500	0.910000	0.9302	+2.007%	1,369,069	+3.204%
2026-02-23	0.9400	0.949300	0.902000	0.9119	-3.072%	1,888,673	+5.275%
2026-02-20	0.9577	0.962600	0.932300	0.9408	-2.071%	1,754,682	+2.041%
2026-02-19	0.9000	0.981500	0.887000	0.9607	+5.991%	3,993,492	-0.073%
2026-02-18	0.9620	0.977200	0.900000	0.9064	-3.451%	4,913,424	+5.914%
2026-02-17	0.9900	0.992100	0.935300	0.9388	-5.229%	3,547,186	+2.258%
2026-02-13	0.9900	1.050000	0.988600	0.9906	+1.590%	3,127,567	-3.089%
2026-02-12	1.0500	1.060000	0.960100	0.9751	-6.240%	5,890,665	-1.549%
2026-02-11	1.1200	1.120000	1.010000	1.0400	-5.455%	4,048,955	-7.692%
2026-02-10	1.1000	1.110000	1.060000	1.1000	+2.804%	3,668,396	-12.727%
2026-02-09	1.0900	1.090000	1.020000	1.0700	+0.469%	3,147,984	-10.280%
2026-02-06	1.0200	1.090000	0.960000	1.0650	+14.258%	7,481,632	-9.859%
2026-02-05	1.0300	1.040000	0.924800	0.9321	-9.505%	8,157,189	+2.993%
2026-02-04	1.1000	1.110000	0.995300	1.0300	-5.505%	6,372,623	-6.796%
2026-02-03	1.1100	1.125000	1.050000	1.0900	-0.909%	5,044,494	-11.927%
2026-02-02	1.1100	1.130000	1.090000	1.1000	-2.655%	3,771,977	-12.727%
2026-01-30	1.1600	1.186200	1.110000	1.1300	-3.419%	5,467,544	-15.044%
2026-01-29	1.2000	1.205000	1.130000	1.1700	-2.500%	6,195,553	-17.949%
2026-01-28	1.2300	1.240000	1.170100	1.2000	-2.439%	3,989,513	-20.000%
2026-01-27	1.2200	1.260000	1.200000	1.2300	+1.653%	2,862,494	-21.951%
2026-01-26	1.2500	1.269600	1.210000	1.2100	-3.200%	3,158,062	-20.661%
2026-01-23	1.3100	1.320000	1.240000	1.2500	-4.580%	4,117,588	-23.200%
2026-01-22	1.2300	1.330000	1.220000	1.3100	+6.504%	6,410,600	-26.718%
2026-01-21	1.2000	1.235000	1.140000	1.2300	+3.361%	4,911,135	-21.951%
2026-01-20	1.2100	1.239900	1.180000	1.1900	-6.299%	5,734,600	-19.328%
2026-01-16	1.2500	1.320000	1.230000	1.2700	+3.252%	5,461,542	-24.409%
2026-01-15	1.2900	1.300000	1.230000	1.2300	-3.150%	3,685,182	-21.951%
2026-01-14	1.2700	1.310000	1.240000	1.2700	0.000%	4,426,428	-24.409%
2026-01-13	1.2500	1.320000	1.200000	1.2700	+4.959%	5,766,605	-24.409%
2026-01-12	1.2100	1.250000	1.180000	1.2100	-0.820%	4,924,831	-20.661%
2026-01-09	1.2700	1.280000	1.210000	1.2200	-2.400%	4,392,082	-21.311%
2026-01-08	1.2500	1.309900	1.240000	1.2500	-0.794%	4,892,177	-23.200%
2026-01-07	1.2900	1.316000	1.254700	1.2600	-1.563%	4,107,202	-23.810%
2026-01-06	1.2600	1.340000	1.260000	1.2800	+1.587%	7,653,944	-25.000%
2026-01-05	1.1900	1.310000	1.185000	1.2600	+8.621%	8,339,919	-23.810%
2026-01-02	1.1500	1.160000	1.110000	1.1600	+5.455%	4,868,718	-17.241%
2025-12-31	1.1100	1.150000	1.070000	1.1000	-0.901%	5,901,992	-12.727%
2025-12-30	1.1600	1.170000	1.100000	1.1100	-5.932%	7,954,680	-13.514%
2025-12-29	1.2100	1.259900	1.170000	1.1800	-4.065%	8,021,151	-18.644%
2025-12-26	1.3100	1.310000	1.220000	1.2300	-6.107%	4,174,383	-21.951%
2025-12-24	1.2400	1.330000	1.240000	1.3100	+6.504%	4,344,121	-26.718%
2025-12-23	1.2500	1.255000	1.200000	1.2300	-3.150%	4,208,448	-21.951%
2025-12-22	1.2800	1.316600	1.250000	1.2700	0.000%	5,154,956	-24.409%
2025-12-19	1.2200	1.290000	1.210000	1.2700	+4.098%	6,699,147	-24.409%
2025-12-18	1.2400	1.310000	1.210000	1.2200	+1.667%	3,418,007	-21.311%
2025-12-17	1.2400	1.275000	1.200000	1.2000	-1.639%	3,826,418	-20.000%
2025-12-16	1.2100	1.260000	1.180000	1.2200	-0.813%	4,898,102	-21.311%
2025-12-15	1.3100	1.320000	1.220000	1.2300	-4.651%	4,128,698	-21.951%
2025-12-12	1.4000	1.430000	1.290000	1.2900	-7.857%	5,640,530	-25.581%
2025-12-11	1.4400	1.440000	1.344900	1.4000	-2.778%	4,339,503	-31.429%
2025-12-10	1.4200	1.450000	1.390000	1.4400	+1.408%	3,566,485	-33.333%
2025-12-09	1.4400	1.460000	1.390100	1.4200	-2.069%	3,709,609	-32.394%
2025-12-08	1.4700	1.540000	1.410000	1.4500	+0.694%	3,170,333	-33.793%
2025-12-05	1.4800	1.490000	1.410000	1.4400	-2.041%	3,672,471	-33.333%
2025-12-04	1.3400	1.490000	1.340000	1.4700	+8.088%	5,884,708	-34.694%
2025-12-03	1.2800	1.360000	1.260000	1.3600	+7.087%	4,067,459	-29.412%
2025-12-02	1.3000	1.340000	1.270000	1.2700	-1.550%	3,326,462	-24.409%
2025-12-01	1.3600	1.360000	1.280000	1.2900	-8.511%	3,490,019	-25.581%
2025-11-28	1.3600	1.430000	1.360000	1.4100	+4.444%	2,455,024	-31.915%
2025-11-26	1.3600	1.391200	1.310000	1.3500	0.000%	4,590,412	-28.889%
2025-11-25	1.3600	1.370000	1.290000	1.3500	0.000%	3,544,306	-28.889%
2025-11-24	1.2700	1.350000	1.260000	1.3500	+6.299%	4,733,146	-28.889%
2025-11-21	1.2200	1.280000	1.190000	1.2700	+2.419%	5,215,527	-24.409%
2025-11-20	1.3700	1.399700	1.230000	1.2400	-3.125%	6,777,808	-22.581%
2025-11-19	1.2700	1.380000	1.250000	1.2800	+0.787%	5,936,935	-25.000%
2025-11-18	1.2800	1.349800	1.230000	1.2700	-2.308%	5,005,362	-24.409%
2025-11-17	1.3700	1.410000	1.260000	1.3000	-5.109%	4,655,563	-26.154%
2025-11-14	1.2700	1.450000	1.270000	1.3700	-1.439%	7,297,012	-29.927%
2025-11-13	1.4950	1.515000	1.380000	1.3900	-8.553%	7,062,064	-30.935%
2025-11-12	1.5800	1.615000	1.520000	1.5200	-3.797%	5,461,501	-36.842%
2025-11-11	1.5850	1.650000	1.550000	1.5800	-0.940%	4,497,953	-39.241%
2025-11-10	1.7320	1.740000	1.590000	1.5950	+1.270%	5,590,422	-39.812%
2025-11-07	1.5500	1.620000	1.460000	1.5750	-4.545%	9,690,597	-39.048%
2025-11-06	1.7650	1.770000	1.590000	1.6500	-8.333%	9,785,114	-41.818%
2025-11-05	1.8500	1.890000	1.770000	1.8000	-2.174%	8,577,197	-46.667%
2025-11-04	1.8600	1.950000	1.820000	1.8400	-8.000%	7,175,474	-47.826%
2025-11-03	2.1500	2.185000	1.950000	2.0000	-6.977%	9,518,808	-52.000%
2025-10-31	2.0400	2.160000	2.030000	2.1500	+5.911%	6,172,895	-55.349%
2025-10-30	2.0500	2.120000	2.020000	2.0300	-5.140%	6,739,675	-52.709%
2025-10-29	2.1400	2.230000	2.090000	2.1400	-1.835%	7,168,538	-55.140%
2025-10-28	2.3100	2.319900	2.140000	2.1800	-6.838%	9,158,086	-55.963%
2025-10-27	2.3800	2.420000	2.220000	2.3400	+2.183%	10,282,659	-58.974%
2025-10-24	2.3200	2.440000	2.260000	2.2900	+4.091%	11,745,557	-58.079%
2025-10-23	2.3800	2.380000	2.170000	2.2000	0.000%	12,164,767	-56.364%
2025-10-22	2.2150	2.340000	2.000000	2.2000	-5.983%	18,410,361	-56.364%
2025-10-21	2.4750	2.520000	2.270000	2.3400	-9.478%	15,333,668	-58.974%
2025-10-20	2.4200	2.730000	2.390000	2.5850	+13.377%	22,176,467	-62.863%
2025-10-17	2.3800	2.525000	2.260000	2.2800	-10.236%	20,988,672	-57.895%
2025-10-16	2.8100	3.100000	2.500000	2.5400	-3.422%	49,550,529	-62.205%
2025-10-15	2.4500	2.750000	2.355000	2.6300	+22.326%	53,572,323	-63.498%
2025-10-14	2.0100	2.260000	1.960000	2.1500	+3.365%	23,794,582	-55.349%
2025-10-13	1.7500	2.130000	1.730000	2.0800	+24.551%	33,370,615	-53.846%
2025-10-10	1.8100	1.950000	1.660000	1.6700	-4.023%	21,776,904	-42.515%
2025-10-09	1.7700	1.800000	1.690000	1.7400	-1.695%	6,852,637	-44.828%
2025-10-08	1.7600	1.820000	1.700000	1.7700	0.000%	8,810,728	-45.763%
2025-10-07	1.8500	1.920000	1.680000	1.7700	-2.210%	18,189,350	-45.763%
2025-10-06	1.7100	1.870000	1.660000	1.8100	+5.233%	17,235,682	-46.961%
2025-10-03	1.5700	1.760000	1.560000	1.7200	+11.688%	19,291,713	-44.186%
2025-10-02	1.4900	1.560000	1.460000	1.5400	+5.479%	8,024,442	-37.662%
2025-10-01	1.4200	1.500000	1.410000	1.4600	+3.546%	5,506,554	-34.247%
2025-09-30	1.3600	1.440000	1.350000	1.4100	+1.439%	5,733,688	-31.915%
2025-09-29	1.4000	1.425000	1.350000	1.3900	-6.711%	9,550,045	-30.935%
2025-09-26	1.5400	1.610000	1.470000	1.4900	-1.325%	7,793,707	-35.570%
2025-09-25	1.5200	1.550000	1.440000	1.5100	-6.211%	10,700,557	-36.424%
2025-09-24	1.6400	1.750000	1.590000	1.6100	+0.625%	13,282,695	-40.373%
2025-09-23	1.7800	1.790000	1.560100	1.6000	-5.882%	21,284,357	-40.000%
2025-09-22	1.5250	1.730000	1.430000	1.7000	+13.333%	24,913,430	-43.529%
2025-09-19	1.4700	1.600000	1.450000	1.5000	-1.961%	23,200,207	-36.000%
2025-09-18	1.3100	1.640000	1.300000	1.5300	+21.429%	37,180,141	-37.255%
2025-09-17	1.3000	1.340000	1.240000	1.2600	-5.263%	10,309,325	-23.810%
2025-09-16	1.2900	1.340000	1.250000	1.3300	+5.556%	7,290,684	-27.820%
2025-09-15	1.2000	1.290000	1.180000	1.2600	+6.780%	8,873,031	-23.810%
2025-09-12	1.2200	1.260000	1.170000	1.1800	-1.667%	6,110,612	-18.644%
2025-09-11	1.1100	1.220000	1.110000	1.2000	+7.143%	7,399,164	-20.000%
2025-09-10	1.1500	1.155000	1.080000	1.1200	-2.609%	4,230,873	-14.286%
2025-09-09	1.0600	1.160000	1.060000	1.1500	+8.491%	3,994,125	-16.522%
2025-09-08	1.0900	1.100000	1.040000	1.0600	-1.852%	4,089,700	-9.434%
2025-09-05	1.0700	1.100000	1.030000	1.0800	+0.935%	3,433,260	-11.111%
2025-09-04	1.0700	1.080000	1.030000	1.0700	0.000%	3,698,750	-10.280%
2025-09-03	1.0800	1.110000	1.030000	1.0700	-0.926%	3,838,592	-10.280%
2025-09-02	1.1000	1.129600	1.070000	1.0800	-3.571%	4,078,682	-11.111%
2025-08-29	1.1350	1.150000	1.100000	1.1200	-2.609%	3,471,787	-14.286%
2025-08-28	1.1900	1.220000	1.130000	1.1500	-0.862%	4,261,908	-16.522%
2025-08-27	1.1600	1.220000	1.150000	1.1600	-0.855%	5,191,520	-17.241%
2025-08-26	1.1300	1.180000	1.110100	1.1700	+2.632%	3,624,365	-17.949%
2025-08-25	1.1300	1.170000	1.110000	1.1400	0.000%	3,877,413	-15.789%
2025-08-22	1.1000	1.160000	1.060000	1.1400	+2.703%	6,872,459	-15.789%
2025-08-21	0.9827	1.140000	0.980000	1.1100	+11.000%	9,296,919	-13.514%
2025-08-20	1.0100	1.020000	0.949900	1.0000	-2.913%	11,048,277	-4.000%
2025-08-19	1.1300	1.135000	1.020000	1.0300	-5.505%	7,997,647	-6.796%
2025-08-18	1.1100	1.120000	1.090000	1.0900	-0.909%	4,931,097	-11.927%
2025-08-15	1.1300	1.140000	1.090000	1.1000	-1.786%	5,863,645	-12.727%
2025-08-14	1.1800	1.190000	1.080000	1.1200	-4.274%	9,810,755	-14.286%
2025-08-13	1.1900	1.205000	1.140000	1.1700	+0.862%	7,961,070	-17.949%
2025-08-12	1.2000	1.215000	1.140000	1.1600	-3.333%	9,882,629	-17.241%
2025-08-11	1.2700	1.280000	1.180000	1.2000	-5.512%	8,681,807	-20.000%
2025-08-08	1.3300	1.345000	1.260000	1.2700	-4.511%	6,536,088	-24.409%
2025-08-07	1.3600	1.380000	1.310000	1.3300	-2.920%	4,185,198	-27.820%
2025-08-06	1.3600	1.386500	1.270000	1.3700	-4.861%	8,481,578	-29.927%
2025-08-05	1.4600	1.477300	1.400000	1.4400	0.000%	7,832,861	-33.333%
2025-08-04	1.4900	1.490000	1.430000	1.4400	-1.370%	4,385,133	-33.333%
2025-08-01	1.4200	1.490000	1.400000	1.4600	-1.351%	4,434,681	-34.247%
2025-07-31	1.6200	1.620000	1.470000	1.4800	-8.642%	11,156,626	-35.135%
2025-07-30	1.7000	1.700000	1.610000	1.6200	-0.917%	4,441,658	-40.741%
2025-07-29	1.8000	1.800000	1.600000	1.6350	-8.659%	9,424,027	-41.284%
2025-07-28	1.9300	1.945000	1.760000	1.7900	-7.254%	6,785,434	-46.369%
2025-07-25	1.9700	1.979400	1.850000	1.9300	-2.525%	7,424,730	-50.259%
2025-07-24	1.9450	1.990000	1.860000	1.9800	+5.319%	10,677,478	-51.515%
2025-07-23	1.8300	1.895000	1.770000	1.8800	+4.444%	8,536,946	-48.936%
2025-07-22	1.7400	1.810000	1.680000	1.8000	+4.651%	5,848,755	-46.667%
2025-07-21	1.7800	1.800000	1.710000	1.7200	-2.273%	5,667,910	-44.186%
2025-07-18	1.8400	1.860000	1.750000	1.7600	-3.297%	6,449,250	-45.455%
2025-07-17	1.8100	1.850000	1.790000	1.8200	+1.111%	6,462,155	-47.253%
2025-07-16	1.7500	1.820000	1.690000	1.8000	+4.651%	6,946,474	-46.667%
2025-07-15	1.7800	1.780000	1.680000	1.7200	-0.578%	5,424,614	-44.186%
2025-07-14	1.7100	1.750000	1.670000	1.7300	0.000%	5,900,864	-44.509%
2025-07-11	1.8000	1.820000	1.720000	1.7300	-4.420%	6,159,729	-44.509%
2025-07-10	1.8800	1.889200	1.800000	1.8100	-3.209%	5,751,029	-46.961%
2025-07-09	1.8200	1.880000	1.740000	1.8700	+3.315%	8,557,464	-48.663%
2025-07-08	1.8800	1.880000	1.800000	1.8100	-0.822%	9,999,474	-46.961%
2025-07-07	1.9200	1.950000	1.810000	1.8250	-14.720%	16,643,756	-47.397%
2025-07-03	2.0400	2.180000	2.030000	2.1400	+8.081%	12,849,657	-55.140%
2025-07-02	1.8800	2.000000	1.870000	1.9800	+4.211%	5,715,541	-51.515%
2025-07-01	1.9500	2.000000	1.870000	1.9000	-3.061%	6,051,480	-49.474%
2025-06-30	1.9700	2.040000	1.950000	1.9600	+0.513%	7,019,365	-51.020%
2025-06-27	2.0550	2.060000	1.870000	1.9500	-4.878%	12,397,294	-50.769%
2025-06-26	2.0200	2.090000	1.970000	2.0500	+1.485%	7,975,590	-53.171%
2025-06-25	2.0350	2.140000	1.970000	2.0200	+7.447%	23,326,075	-52.475%
2025-06-24	1.6500	1.900000	1.640000	1.8800	+13.939%	9,861,996	-48.936%
2025-06-23	1.6800	1.680000	1.550000	1.6500	-4.624%	7,976,941	-41.818%
2025-06-20	1.7800	1.790000	1.680000	1.7300	-1.143%	7,210,644	-44.509%
2025-06-18	1.6800	1.780000	1.660000	1.7500	+4.167%	5,651,688	-45.143%
2025-06-17	1.7400	1.760000	1.660000	1.6800	-5.085%	4,848,066	-42.857%
2025-06-16	1.6700	1.790000	1.650000	1.7700	+6.627%	5,344,907	-45.763%
2025-06-13	1.7100	1.720000	1.640000	1.6600	-7.263%	8,253,180	-42.169%
2025-06-12	1.7600	1.900000	1.730000	1.7900	+1.705%	9,407,338	-46.369%
2025-06-11	1.7400	1.890000	1.710000	1.7600	+3.529%	11,329,397	-45.455%
2025-06-10	1.7000	1.800000	1.660100	1.7000	-0.585%	5,490,467	-43.529%
2025-06-09	1.7700	1.800000	1.680000	1.7100	-1.724%	3,884,965	-43.860%
2025-06-06	1.6250	1.750000	1.620000	1.7400	+8.750%	5,684,270	-44.828%
2025-06-05	1.7300	1.730000	1.570000	1.6000	-8.571%	7,349,285	-40.000%
2025-06-04	1.7800	1.800000	1.680000	1.7500	-0.568%	4,858,487	-45.143%
2025-06-03	1.7000	1.819800	1.665000	1.7600	+4.762%	6,703,406	-45.455%
2025-06-02	1.6600	1.720000	1.610000	1.6800	0.000%	5,404,165	-42.857%
2025-05-30	1.6450	1.690000	1.590000	1.6800	-1.754%	7,603,620	-42.857%
2025-05-29	1.8200	1.840000	1.695000	1.7100	-3.933%	7,408,211	-43.860%
2025-05-28	1.8750	1.910000	1.770000	1.7800	-7.292%	12,118,187	-46.067%
2025-05-27	2.0900	2.150000	1.860000	1.9200	-1.031%	20,661,451	-50.000%
2025-05-23	1.7550	2.030000	1.700000	1.9400	+11.494%	31,648,867	-50.515%
2025-05-22	1.5600	1.840000	1.530000	1.7400	+17.966%	26,010,440	-44.828%
2025-05-21	1.7950	1.800000	1.450000	1.4750	-12.202%	21,250,199	-34.915%
2025-05-20	1.5050	1.730000	1.460000	1.6800	+19.149%	25,872,958	-42.857%
2025-05-19	1.4200	1.460000	1.360000	1.4100	-4.730%	5,388,056	-31.915%
2025-05-16	1.4500	1.515000	1.400000	1.4800	0.000%	8,666,317	-35.135%
2025-05-15	1.5300	1.550000	1.450000	1.4800	-2.632%	8,985,654	-35.135%
2025-05-14	1.5000	1.600000	1.440000	1.5200	+4.110%	9,437,444	-36.842%
2025-05-13	1.5400	1.585000	1.430000	1.4600	-3.311%	7,132,365	-34.247%
2025-05-12	1.3200	1.520000	1.315000	1.5100	+19.841%	9,602,975	-36.424%
2025-05-09	1.3400	1.340000	1.240000	1.2600	-5.263%	3,631,156	-23.810%
2025-05-08	1.2400	1.350000	1.235000	1.3300	+10.833%	6,283,586	-27.820%
2025-05-07	1.2000	1.220000	1.160000	1.2000	+0.840%	2,321,025	-20.000%
2025-05-06	1.1800	1.200000	1.150000	1.1900	-0.833%	1,894,546	-19.328%
2025-05-05	1.2300	1.250000	1.170000	1.2000	-4.762%	3,016,735	-20.000%
2025-05-02	1.1800	1.280000	1.175000	1.2600	+8.621%	4,454,683	-23.810%
2025-05-01	1.1300	1.170000	1.120000	1.1600	+1.754%	2,124,375	-17.241%
2025-04-30	1.1200	1.150000	1.100000	1.1400	-3.390%	2,910,372	-15.789%
2025-04-29	1.2100	1.230000	1.180000	1.1800	-2.479%	2,572,483	-18.644%
2025-04-28	1.2200	1.269900	1.170000	1.2100	-1.626%	2,643,807	-20.661%
2025-04-25	1.2200	1.250000	1.190000	1.2300	+0.820%	3,244,379	-21.951%
2025-04-24	1.2000	1.240000	1.180000	1.2200	+4.274%	2,835,693	-21.311%
2025-04-23	1.1900	1.235000	1.150000	1.1700	+3.540%	3,402,723	-17.949%
2025-04-22	1.0950	1.150000	1.095000	1.1300	+3.670%	1,901,178	-15.044%
2025-04-21	1.1100	1.128700	1.080000	1.0900	-5.217%	1,734,123	-11.927%
2025-04-17	1.1600	1.179900	1.120000	1.1500	-0.862%	1,637,120	-16.522%
2025-04-16	1.1999	1.219900	1.110000	1.1600	-5.691%	2,156,694	-17.241%
2025-04-15	1.2200	1.260000	1.205000	1.2300	0.000%	1,764,273	-21.951%
2025-04-14	1.3000	1.305000	1.210000	1.2300	-1.600%	3,105,570	-21.951%
2025-04-11	1.1700	1.250000	1.160000	1.2500	+6.838%	2,269,780	-23.200%
2025-04-10	1.2000	1.210000	1.130000	1.1700	-4.878%	2,978,359	-17.949%
2025-04-09	1.0600	1.270000	1.050000	1.2300	+13.889%	5,616,558	-21.951%

.dark-mode .Y9yCLv{ color: white; background-color: #333333; border: 2px solid white; }.light-mode .Y9yCLv{ color: #333333; background-color: white; border: 2px solid #333333; }QSIQuantum-Si Incorporated Class A Common Stockstock NASDAQ

QSI
Quantum-Si Incorporated Class A Common Stock
stock NASDAQ