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Quantum BioPharma Ltd. (QNTM)
NASDAQ: QNTM · Real-Time Price · USD
17.23
+1.21 (7.55%)
At close: Sep 12, 2025, 4:00 PM EDT
16.96
-0.27 (-1.57%)
After-hours: Sep 12, 2025, 7:41 PM EDT

Quantum BioPharma Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Sep 12, 202514.8517.5014.8517.2317.237.55%148,891
Sep 11, 202515.5216.4015.0016.0216.02-0.93%207,415
Sep 10, 202513.1617.7912.9116.1716.1727.42%482,589
Sep 9, 202512.7413.4512.5212.6912.69-2.38%122,469
Sep 8, 202513.8513.9012.1413.0013.00-7.51%221,509
Sep 5, 202514.5814.6413.7014.0614.06-1.64%117,656
Sep 4, 202515.3815.6914.0714.2914.29-8.98%120,351
Sep 3, 202516.7516.8615.5115.7015.70-3.71%162,100
Sep 2, 202517.0017.6516.2116.3116.31-3.23%98,635
Aug 29, 202517.4017.5016.4816.8516.85-2.32%55,340
Aug 28, 202516.9618.0816.5617.2517.252.99%90,287
Aug 27, 202516.0018.1316.0016.7516.752.45%98,183
Aug 26, 202517.7817.9216.2516.3516.35-7.65%105,430
Aug 25, 202518.2018.4517.4817.7117.71-2.10%70,398
Aug 22, 202518.0718.8417.5018.0918.090.19%78,057
Aug 21, 202518.2219.4817.8518.0518.05-0.50%87,182
Aug 20, 202517.8318.8617.5018.1418.140.61%100,405
Aug 19, 202520.4320.9417.8018.0318.03-12.54%229,189
Aug 18, 202522.3522.4720.4320.6220.62-8.17%97,210
Aug 15, 202522.1422.5721.0122.4522.450.45%121,612
Aug 14, 202523.0023.6621.7322.3522.35-3.87%123,491
Aug 13, 202524.6025.3022.7523.2523.25-4.44%238,385
Aug 12, 202526.5027.0021.7524.3324.33-7.35%452,333
Aug 11, 202530.7631.9125.3026.2626.26-10.10%371,567
Aug 8, 202527.8129.2526.9429.2129.2112.30%217,276
Aug 7, 202528.0030.7525.2426.0126.01-0.50%342,836
Aug 6, 202525.3226.5024.3726.1426.146.39%122,714
Aug 5, 202526.8727.4424.2024.5724.57-11.62%244,622
Aug 4, 202524.0128.1523.7227.8027.8017.30%231,280
Aug 1, 202522.9024.7021.6223.7023.700.98%131,875
Jul 31, 202523.1024.7022.8023.4723.473.35%92,364
Jul 30, 202522.8724.2522.3622.7122.711.18%75,313
Jul 29, 202525.0025.3522.0022.4522.45-9.79%187,368
Jul 28, 202524.9426.7224.5724.8824.88-1.07%143,872
Jul 25, 202523.5026.0022.5125.1525.155.54%204,927
Jul 24, 202522.6724.2521.6323.8323.835.26%133,827
Jul 23, 202521.6623.0021.6522.6422.643.57%101,784
Jul 22, 202523.6023.6721.5021.8621.86-7.80%152,788
Jul 21, 202523.3724.6122.0023.7123.711.45%145,602
Jul 18, 202522.6123.7321.5023.3723.373.82%107,143
Jul 17, 202522.1523.2021.6722.5122.510.22%124,352
Jul 16, 202519.5022.5019.1122.4622.4616.31%195,421
Jul 15, 202521.2821.2819.0719.3119.31-8.14%108,187
Jul 14, 202518.3121.2117.8021.0221.0212.53%158,089
Jul 11, 202519.0719.3917.7018.6818.68-1.27%136,885
Jul 10, 202516.9519.5016.7018.9218.9212.28%252,775
Jul 9, 202517.0418.1816.3916.8516.85-3.22%150,656
Jul 8, 202516.5017.7215.8817.4117.415.13%272,691
Jul 7, 202516.5317.3316.0916.5616.56-2.93%203,559
Jul 3, 202519.0519.1916.4917.0617.06-10.96%330,019