
stockNYSE: AMTM • 28 Days Updates
Amentum Holdings Inc. (AMTM)
Showing Closing Date Range from Sep 11 to Oct 9, 2026.
Investor Relations:ir.amentum.com
Price & Performance Trajectory
Amentum Holdings Inc.NYSE: AMTM
Latest Close
$19.29
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)
| Date | Close (USD) | Return % | High | Low | Volume |
|---|---|---|---|---|---|
| Oct 09, 2026 | $19.29 | +1.69% | $19.40 | $18.96 | 1.27M |
| Oct 08, 2026 | $18.97 | +2.49% | $18.97 | $18.10 | 3.41M |
| Oct 07, 2026 | $18.51 | -1.39% | $18.69 | $18.09 | 1.78M |
| Oct 06, 2026 | $18.77 | +2.91% | $18.93 | $18.36 | 1.89M |
| Oct 05, 2026 | $18.24 | +0.55% | $18.62 | $18.02 | 2.00M |
| Oct 02, 2026 | $18.14 | -1.84% | $18.59 | $17.72 | 2.31M |
| Sep 30, 2026 | $18.12 | -0.17% | $18.41 | $18.06 | 1.63M |
| Sep 29, 2026 | $18.15 | -1.84% | $18.58 | $17.89 | 2.95M |
| Sep 28, 2026 | $18.49 | -3.65% | $19.04 | $18.48 | 1.19M |
| Sep 25, 2026 | $19.19 | -1.08% | $19.37 | $19.01 | 1.51M |
| Sep 24, 2026 | $19.40 | -1.57% | $19.81 | $19.39 | 986.0K |
| Sep 23, 2026 | $19.71 | +0.05% | $20.06 | $19.64 | 1.20M |
| Sep 22, 2026 | $19.70 | -1.01% | $20.11 | $19.41 | 2.13M |
| Sep 21, 2026 | $19.90 | +1.53% | $20.01 | $19.64 | 1.34M |
| Sep 18, 2026 | $19.60 | -2.92% | $20.33 | $19.50 | 4.42M |
Page 1 of 2