stockNASDAQ: ALEC • 12 Months Updates

Alector Inc. (ALEC) 12 Months

Showing Closing Date Range from Oct 21, 2025 to Oct 21, 2026.

Price & Performance Trajectory

Alector Inc.NASDAQ: ALEC

Latest Close
$1.87
-41.74%
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)
DateClose (USD)Return %HighLowVolume
Oct 21, 2026$1.87-5.08% $2.00$1.851.11M
Oct 20, 2026$1.97+1.03% $2.04$1.922.01M
Oct 19, 2026$1.95+5.98% $1.99$1.772.37M
Oct 16, 2026$1.84-3.66% $2.18$1.805.15M
Oct 15, 2026$1.91+1.60% $1.95$1.851.63M
Oct 14, 2026$1.88+0.53% $1.92$1.822.89M
Oct 13, 2026$1.87-10.10% $2.08$1.782.81M
Oct 12, 2026$2.08+0.00% $2.14$2.021.62M
Oct 09, 2026$2.08+2.97% $2.15$2.003.10M
Oct 08, 2026$2.02+5.21% $2.06$1.886.45M
Oct 07, 2026$1.92+6.08% $1.92$1.733.96M
Oct 06, 2026$1.81-9.05% $2.23$1.7510.18M
Oct 05, 2026$1.99+9.94% $2.73$1.9689.98M
Oct 02, 2026$1.81-2.69% $1.97$1.801.17M
Oct 01, 2026$1.86+0.54% $1.91$1.81774.6K
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