stockNASDAQ: ALT • 12 Months Updates

Altimmune Inc. (ALT) 12 Months

Showing Closing Date Range from Oct 19, 2025 to Oct 19, 2026.

Price & Performance Trajectory

Altimmune Inc.NASDAQ: ALT

Latest Close
$2.23
-44.25%
12 Months Updates Trajectory
Showing Closing Date Range from Oct 19, 2025 to Oct 19, 2026.
Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesALT session performance
✓ Latest Close USD
$2.23
Latest session close
$-1.77vs period start
Period Return % % GAIN
-44.25%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$6.44 / $2.17
Period range envelope
$4.27channel spread
Total Volume SHARES
1.04B
Period turnover
Avg: 4.18M/dLiquidity

Historical Session Ledger

Daily open, high, low, and close prices with volume and period returns.

Historical Quotes & Breakdown(249 dates)
DateClose (USD)Return %HighLowVolume
Oct 19, 2026$2.23+1.36% $2.26$2.182.60M
Oct 16, 2026$2.20-6.78% $2.37$2.174.24M
Oct 15, 2026$2.36+2.16% $2.38$2.293.34M
Oct 14, 2026$2.31-4.94% $2.41$2.295.62M
Oct 13, 2026$2.43-5.08% $2.56$2.433.71M
Oct 12, 2026$2.56-1.92% $2.63$2.562.16M
Oct 09, 2026$2.61+0.38% $2.64$2.572.68M
Oct 08, 2026$2.60-2.26% $2.66$2.554.93M
Oct 07, 2026$2.66-0.37% $2.74$2.633.17M
Oct 06, 2026$2.67+0.00% $2.70$2.647.62M
Oct 05, 2026$2.67-2.38% $2.75$2.653.84M
Oct 02, 2026$2.74-0.91% $2.81$2.714.24M
Oct 01, 2026$2.76-3.50% $2.85$2.753.59M
Sep 30, 2026$2.86-3.70% $2.99$2.864.92M
Sep 29, 2026$2.97+0.34% $3.01$2.922.56M
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