stockNYSE: AMTM • 28 Days Updates

Amentum Holdings Inc. (AMTM)

Showing Closing Date Range from Sep 11 to Oct 9, 2026.

Price & Performance Trajectory

Amentum Holdings Inc.NYSE: AMTM

Latest Close
$19.29
-0.87%
28 Days Updates Trajectory
Showing Closing Date Range from Sep 11 to Oct 9, 2026.
Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesAMTM session performance
✓ Latest Close USD
$19.29
Latest session close
$-0.17vs period start
Period Return % % GAIN
-0.87%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$20.4 / $17.72
Period range envelope
$2.68channel spread
Total Volume SHARES
37.28M
Period turnover
Avg: 1.86M/dLiquidity

Historical Session Ledger

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

Historical Quotes & Breakdown(20 dates)
DateClose (USD)Return %HighLowVolume
Oct 09, 2026$19.29+1.69% $19.40$18.961.27M
Oct 08, 2026$18.97+2.49% $18.97$18.103.41M
Oct 07, 2026$18.51-1.39% $18.69$18.091.78M
Oct 06, 2026$18.77+2.91% $18.93$18.361.89M
Oct 05, 2026$18.24+0.55% $18.62$18.022.00M
Oct 02, 2026$18.14-1.84% $18.59$17.722.31M
Sep 30, 2026$18.12-0.17% $18.41$18.061.63M
Sep 29, 2026$18.15-1.84% $18.58$17.892.95M
Sep 28, 2026$18.49-3.65% $19.04$18.481.19M
Sep 25, 2026$19.19-1.08% $19.37$19.011.51M
Sep 24, 2026$19.40-1.57% $19.81$19.39986.0K
Sep 23, 2026$19.71+0.05% $20.06$19.641.20M
Sep 22, 2026$19.70-1.01% $20.11$19.412.13M
Sep 21, 2026$19.90+1.53% $20.01$19.641.34M
Sep 18, 2026$19.60-2.92% $20.33$19.504.42M
Page 1 of 2