Alector Inc. (ALEC)
Showing Closing Date Range from Oct 2 to Oct 30, 2026 compared to Sep 3 to Oct 1, 2026.
Compare Last 28 Days with Previous Period
Investor Relations:alector.com
Current Period Close
$2.21
Oct 02, 2026 - Oct 30, 2026
Previous Period Close
$1.86
Sep 03, 2026 - Oct 01, 2026
Net Comparison Delta
+$0.35 (+18.82%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(21 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 30, 2026 | $2.21 | - | - | - |
| Oct 29, 2026 | $2.24 | - | - | - |
| Oct 28, 2026 | $2.25 | Oct 01, 2026 | $1.86 | +20.97% |
| Oct 27, 2026 | $2.10 | Sep 30, 2026 | $1.85 | +13.51% |
| Oct 26, 2026 | $1.83 | Sep 29, 2026 | $1.87 | -2.14% |
| Oct 23, 2026 | $1.83 | Sep 28, 2026 | $1.92 | -4.69% |
| Oct 22, 2026 | $1.83 | Sep 25, 2026 | $1.95 | -6.15% |
| Oct 21, 2026 | $1.87 | Sep 23, 2026 | $2.02 | -7.43% |
| Oct 20, 2026 | $1.97 | Sep 22, 2026 | $2.01 | -1.99% |
| Oct 19, 2026 | $1.95 | Sep 21, 2026 | $1.93 | +1.04% |
| Oct 16, 2026 | $1.84 | Sep 18, 2026 | $1.91 | -3.66% |
| Oct 15, 2026 | $1.91 | Sep 17, 2026 | $1.85 | +3.24% |
| Oct 14, 2026 | $1.88 | Sep 16, 2026 | $1.93 | -2.34% |
| Oct 13, 2026 | $1.87 | Sep 15, 2026 | $2.04 | -8.11% |
| Oct 12, 2026 | $2.08 | Sep 14, 2026 | $2.21 | -5.88% |
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