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Alector, Inc. (ALEC)
NASDAQ: ALEC · Real-Time Price · USD
2.250
+0.150 (7.14%)
At close: Oct 28, 2026, 4:00 PM EDT
2.190
-0.060 (-2.67%)
After-hours: Oct 28, 2026, 7:58 PM EDT

Alector Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 28, 20262.082.262.052.252.257.14%1,910,172
Oct 27, 20261.822.121.822.102.1014.75%4,569,826
Oct 26, 20261.851.941.791.831.83-2,659,495
Oct 23, 20261.811.841.721.831.83-2,035,035
Oct 22, 20261.861.881.741.831.83-2.14%1,480,205
Oct 21, 20261.972.001.851.871.87-5.08%1,141,620
Oct 20, 20261.962.041.921.971.971.03%2,021,359
Oct 19, 20261.851.991.771.951.955.98%2,367,825
Oct 16, 20262.182.181.791.841.84-3.66%5,149,342
Oct 15, 20261.921.951.851.911.911.60%1,628,437
Oct 14, 20261.841.921.821.881.880.53%2,893,454
Oct 13, 20262.072.081.781.871.87-10.10%2,814,251
Oct 12, 20262.082.142.022.082.08-1,623,335
Oct 9, 20262.012.152.002.082.082.97%3,077,139
Oct 8, 20261.902.061.882.022.025.21%6,437,560
Oct 7, 20261.781.921.731.921.926.08%3,941,548
Oct 6, 20262.082.231.751.811.81-9.05%10,074,400
Oct 5, 20262.732.731.961.991.999.94%88,926,843
Oct 2, 20261.891.971.801.811.81-2.69%1,165,270
Oct 1, 20261.821.911.811.861.860.54%774,391
Sep 30, 20261.881.951.831.851.85-1.07%786,316
Sep 29, 20261.951.951.861.871.87-2.60%953,077
Sep 28, 20261.921.961.861.921.92-1.54%713,340
Sep 25, 20261.922.051.901.951.951.56%1,024,463
Sep 24, 20262.022.051.911.921.92-4.95%849,210
Sep 23, 20262.002.021.952.022.020.50%1,161,908
Sep 22, 20261.972.041.932.012.014.15%1,463,666
Sep 21, 20261.901.951.851.931.931.05%877,250
Sep 18, 20261.851.911.791.911.913.24%1,999,437
Sep 17, 20261.961.971.831.851.85-3.90%931,233
Sep 16, 20262.062.061.911.931.93-5.41%622,260
Sep 15, 20262.192.211.992.042.04-7.92%715,903
Sep 14, 20262.152.232.102.212.213.27%2,458,510
Sep 11, 20262.172.222.022.142.14-4,699,039
Sep 10, 20262.222.242.002.142.14-5.73%3,779,886
Sep 9, 20262.472.472.252.272.27-8.10%505,604
Sep 8, 20262.382.612.332.472.470.41%915,263
Sep 4, 20262.522.582.442.462.46-1.99%496,343
Sep 3, 20262.702.752.442.512.51-7.72%2,569,935
Sep 2, 20262.402.762.402.722.7213.33%1,664,224
Sep 1, 20262.242.492.222.402.406.19%477,404
Aug 31, 20262.322.352.232.262.26-3.42%609,231
Aug 28, 20262.392.442.322.342.34-2.09%542,221
Aug 27, 20262.442.502.392.392.39-2.85%706,964
Aug 26, 20262.382.522.262.462.464.24%996,494
Aug 25, 20262.322.462.282.362.362.61%558,276
Aug 24, 20262.362.472.292.302.30-2.54%738,144
Aug 21, 20262.282.372.202.362.364.42%728,094
Aug 20, 20262.402.462.192.262.26-7.00%662,589
Aug 19, 20262.252.532.162.432.439.95%3,755,621