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AMTM
Amentum Holdings, Inc.
stock NYSE

Market Open

Oct 1, 2026 10:59:18 AM EDT

18.15USD+0.110%(+0.02)209,930

18.12Bid 18.15Ask 0.03Spread

Pre-market

Oct 1, 2026 8:41:30 AM EDT

18.38USD+1.379%(+0.25)1,136

After-hours

Sep 30, 2026 4:10:30 PM EDT

18.12USD-0.055%(-0.01)0

OverviewOptionsHistoricalExchange VolumeShortsTrends

AMTM Volume Oct 1, 2026 10:45:02 AM EDT

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Exchange	Day%	Volume	30D%
Off Exchange¹	42.50	56,011	39.67
NYSE	20.82	27,441	35.77
NYSE Arca	7.96	10,485	3.91
IEX	7.91	10,421	4.49
Cboe EDGX	6.49	8,558	1.99
Nasdaq GSM	4.81	6,338	7.57
Cboe BZX	3.60	4,743	3.47
Cboe BYX	1.77	2,334	0.52
Cboe EDGA	1.48	1,947	0.48
MEMX	0.70	921	1.14
24X National	0.66	865	0.01
Nasdaq BX	0.33	429	0.20
NYSE American	0.31	404	0.12
MIAX Pearl	0.25	327	0.24
Nasdaq PHLX	0.18	240	0.10
NYSE National	0.13	169	0.12
Texas Stock Exchange LLC	0.11	150	0.11
CHX	0.00	0	0.09
LTSE	0.00	0	0.00

chartexchange.com

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

AMTM Nutrition Facts

0.07 servings per container

Serving size

1.87M

Calories

131.78K

% Day

% Avg

Off Exchange¹ 56K

42.50%

39.67%

NYSE 27K

20.82%

35.77%

NYSE Arca 10K

7.96%

3.91%

IEX 10K

7.91%

4.49%

Cboe EDGX 9K

6.49%

1.99%

Nasdaq GSM 6K

4.81%

7.57%

Cboe BZX 5K

3.60%

3.47%

Cboe BYX 2K

1.77%

0.52%

Cboe EDGA 2K

1.48%

0.48%

MEMX 921

0.70%

1.14%

24X National 865

0.66%

0.01%

Nasdaq BX 429

0.33%

0.20%

NYSE American 404

0.31%

0.12%

MIAX Pearl 327

0.25%

0.24%

Nasdaq PHLX 240

0.18%

0.10%

NYSE National 169

0.13%

0.12%

Texas Stock Exchange LLC 150

0.11%

CHX 0

0.00%

0.09%

LTSE 0

0.00%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

AMTM Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 56,011, which is 42.50% of today's total volume.
Today's Lit volume is 75,772, which is 57.50%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 39.67%.
The average Lit volume has been 60.33%.

AMTM Volume by Exchange

Off Exchange

NYSE

NYSE Arca

IEX

Cboe EDGX

Nasdaq GSM

Cboe BZX

Cboe BYX

Cboe EDGA

MEMX

24X National