Alector, Inc. (ALEC)
NASDAQ: ALEC · Real-Time Price · USD
1.500
+0.030 (2.04%)
At close: Oct 24, 2025, 4:00 PM EDT
1.480
-0.020 (-1.33%)
After-hours: Oct 24, 2025, 7:50 PM EDT

Alector Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 24, 20251.471.541.331.501.502.04%6,637,541
Oct 23, 20251.611.681.461.471.47-8.70%7,621,254
Oct 22, 20251.541.731.491.611.61-49.84%48,992,938
Oct 21, 20253.223.273.093.213.21-3.02%4,470,697
Oct 20, 20253.053.343.033.313.318.88%1,166,403
Oct 17, 20253.163.333.033.043.04-5.59%1,043,296
Oct 16, 20253.223.403.163.223.220.94%1,757,577
Oct 15, 20252.903.232.883.193.196.69%1,724,446
Oct 14, 20253.003.072.872.992.99-1.64%987,677
Oct 13, 20253.003.072.913.043.040.66%1,163,711
Oct 10, 20253.203.243.003.023.02-3.82%866,037
Oct 9, 20253.083.233.063.143.141.95%1,112,107
Oct 8, 20253.103.253.063.083.080.33%1,021,153
Oct 7, 20253.153.213.043.073.07-3.46%1,064,291
Oct 6, 20253.263.303.103.183.18-4.22%983,913
Oct 3, 20253.193.333.113.323.325.06%2,591,020
Oct 2, 20253.003.172.973.163.165.33%1,069,700
Oct 1, 20252.863.032.843.003.001.35%1,028,582
Sep 30, 20253.003.052.832.962.96-2.95%964,940
Sep 29, 20253.093.163.013.053.05-1.61%555,897
Sep 26, 20252.943.162.923.103.105.80%1,024,457
Sep 25, 20253.103.202.882.932.93-7.28%1,095,043
Sep 24, 20253.173.283.123.163.16-0.63%576,227
Sep 23, 20253.173.283.123.183.18-949,205
Sep 22, 20252.973.262.953.183.184.95%1,113,351
Sep 19, 20253.153.153.013.033.03-3.19%2,304,806
Sep 18, 20253.003.172.923.133.136.10%708,580
Sep 17, 20252.773.182.762.952.956.88%1,322,444
Sep 16, 20252.952.982.752.762.76-6.76%581,567
Sep 15, 20252.752.962.712.962.967.64%924,972
Sep 12, 20252.842.962.742.752.75-4.18%6,128,211
Sep 11, 20252.853.002.782.872.871.06%436,445
Sep 10, 20252.782.882.762.842.841.43%867,993
Sep 9, 20252.752.852.712.802.801.45%673,950
Sep 8, 20253.003.002.742.762.76-8.31%1,266,674
Sep 5, 20252.833.072.833.013.016.74%1,658,380
Sep 4, 20252.792.902.712.822.821.08%1,039,133
Sep 3, 20252.622.862.622.792.797.72%1,555,399
Sep 2, 20252.302.652.302.592.5910.21%1,750,060
Aug 29, 20252.392.442.312.352.35-1.67%465,077
Aug 28, 20252.422.512.382.392.39-0.42%712,935
Aug 27, 20252.362.552.332.402.401.69%683,803
Aug 26, 20252.342.412.312.362.360.85%625,614
Aug 25, 20252.532.562.332.342.34-7.14%841,400
Aug 22, 20252.292.562.292.522.5211.01%1,343,977
Aug 21, 20252.192.292.092.272.273.18%677,949
Aug 20, 20252.152.232.032.202.201.85%1,290,107
Aug 19, 20252.092.292.092.162.161.41%1,404,291
Aug 18, 20252.242.322.102.132.13-5.33%1,392,705
Aug 15, 20252.452.452.222.252.25-8.54%1,610,659