Amentum Holdings Inc. (AMTM)

Showing Closing Date Range from Oct 14 to Nov 11, 2026 compared to Sep 15 to Oct 13, 2026.

Compare Last 28 Days with Previous Period

Current Period Close
$23.13
Oct 14, 2026 - Nov 11, 2026
Previous Period Close
$18.52
Sep 15, 2026 - Oct 13, 2026
Net Comparison Delta
+$4.61 (+24.89%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(20 dates)
Current DateCurrent ClosePrevious DatePrevious CloseDelta (%)
Nov 10, 2026$23.13Oct 13, 2026$18.52+24.89%
Nov 09, 2026$22.34Oct 12, 2026$18.92+18.08%
Nov 06, 2026$21.25Oct 09, 2026$19.29+10.16%
Nov 05, 2026$21.37Oct 08, 2026$18.97+12.65%
Nov 04, 2026$22.23Oct 07, 2026$18.51+20.10%
Nov 03, 2026$22.38Oct 06, 2026$18.77+19.23%
Nov 02, 2026$22.47Oct 05, 2026$18.24+23.19%
Oct 30, 2026$21.87Oct 02, 2026$18.14+20.56%
Oct 29, 2026$22.07Sep 30, 2026$18.12+21.80%
Oct 28, 2026$21.69Sep 29, 2026$18.15+19.50%
Oct 27, 2026$21.75Sep 28, 2026$18.49+17.63%
Oct 26, 2026$22.07Sep 25, 2026$19.19+15.01%
Oct 23, 2026$21.76Sep 24, 2026$19.40+12.16%
Oct 22, 2026$21.29Sep 23, 2026$19.71+8.02%
Oct 21, 2026$20.15Sep 22, 2026$19.70+2.28%
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