stockNYSE: AMTM • Today's Updates

Amentum Holdings Inc. (AMTM) Today Close

Showing Closing Date Range from Oct 7 to Oct 8, 2026.

NYSE MarketTrading In Progress Wall Street: 12:12 PM ET

Market Is Open • Trading In Progress

US markets (NASDAQ / NYSE) are in active trading (9:30 AM – 4:00 PM ET). Official closing rates settle after 4:15 PM ET. Showing active session data (Oct 07, 2026) as of 12:12 PM ET.

Multi-Day Trends:View 28-Day Chart
Started At
Market Open
Opening price at session start (9:30 AM ET)
$18.59
Opening Gap$-0.18(-0.96%)
Last Recorded Trade Price
LAST RECORDED
Last recorded trade as of 12:12 PM ET
$18.51
Session DateOct 07, 2026
Lost Today
LOSS
Net movement vs previous close
$-0.26 (-1.39%)
Intraday (from open)$-0.08 (-0.43%)

Day's High & Low Range

Spread: $0.60 (3.32%)
Session Low
$18.09
Session High
$18.69
Low ($18.09)Last Recorded Trade Price ($18.51)High ($18.69)

Trading Activity & Liquidity

AMTM Volume
Shares Traded
1.78M
1,776,198 shares
Dollar Volume
$32.88M
Close × Volume traded
Session Turnover$32.88M USD

Session Statistics Breakdown

Key opening, settlement, and trading metrics for Amentum Holdings Inc. (AMTM).

Oct 07, 2026
Started At (Open)
$18.59
Previous Close
$18.77
Session High
$18.69
Session Low
$18.09
Last Recorded Trade Price
$18.51
Gained / Lost ($)
$-0.26
Gained / Lost (%)
-1.39%
Day's Spread
$0.60
Multi-Day Historical Trajectories

Explore Full Price Charts & Historical Tables

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