
stockNASDAQ: ALEC • 12 Months Updates
Alector Inc. (ALEC) 12 Months
Showing Closing Date Range from Oct 21, 2025 to Oct 21, 2026.
Investor Relations:alector.com
Price & Performance Trajectory
Alector Inc.NASDAQ: ALEC
Latest Close
$1.87
12 Months Updates Trajectory
Showing Closing Date Range from Oct 21, 2025 to Oct 21, 2026.Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesALEC session performance
✓ Latest Close USD
$1.87
Latest session close
$-1.34vs period start
Period Return % % GAIN
-41.74%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$3.27 / $1.09
Period range envelope
$2.18channel spread
Total Volume SHARES
465.00M
Period turnover
Avg: 1.85M/dLiquidity
Historical Session Ledger
Daily open, high, low, and close prices with volume and period returns.
Historical Quotes & Breakdown(251 dates)
| Date | Close (USD) | Return % | High | Low | Volume |
|---|---|---|---|---|---|
| Oct 21, 2026 | $1.87 | -5.08% | $2.00 | $1.85 | 1.11M |
| Oct 20, 2026 | $1.97 | +1.03% | $2.04 | $1.92 | 2.01M |
| Oct 19, 2026 | $1.95 | +5.98% | $1.99 | $1.77 | 2.37M |
| Oct 16, 2026 | $1.84 | -3.66% | $2.18 | $1.80 | 5.15M |
| Oct 15, 2026 | $1.91 | +1.60% | $1.95 | $1.85 | 1.63M |
| Oct 14, 2026 | $1.88 | +0.53% | $1.92 | $1.82 | 2.89M |
| Oct 13, 2026 | $1.87 | -10.10% | $2.08 | $1.78 | 2.81M |
| Oct 12, 2026 | $2.08 | +0.00% | $2.14 | $2.02 | 1.62M |
| Oct 09, 2026 | $2.08 | +2.97% | $2.15 | $2.00 | 3.10M |
| Oct 08, 2026 | $2.02 | +5.21% | $2.06 | $1.88 | 6.45M |
| Oct 07, 2026 | $1.92 | +6.08% | $1.92 | $1.73 | 3.96M |
| Oct 06, 2026 | $1.81 | -9.05% | $2.23 | $1.75 | 10.18M |
| Oct 05, 2026 | $1.99 | +9.94% | $2.73 | $1.96 | 89.98M |
| Oct 02, 2026 | $1.81 | -2.69% | $1.97 | $1.80 | 1.17M |
| Oct 01, 2026 | $1.86 | +0.54% | $1.91 | $1.81 | 774.6K |
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