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AMTM
Amentum Holdings, Inc.
stock NYSE

Market Open

Oct 1, 2026 11:49:53 AM EDT

18.33USD+1.103%(+0.20)294,024

18.29Bid 18.38Ask 0.09Spread

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 11:35:02 AM EDT

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Exchange	Day%	Volume	30D%
Off Exchange¹	46.92	130,608	39.70
NYSE	14.81	41,215	35.70
IEX	9.49	26,426	4.51
Cboe EDGX	6.52	18,146	2.00
Nasdaq GSM	6.37	17,721	7.57
NYSE Arca	5.67	15,775	3.90
Cboe BZX	3.57	9,947	3.47
Cboe BYX	1.82	5,076	0.52
MEMX	1.40	3,887	1.15
Cboe EDGA	1.11	3,097	0.48
Nasdaq PHLX	0.58	1,608	0.10
NYSE American	0.45	1,248	0.12
Nasdaq BX	0.40	1,100	0.20
24X National	0.31	865	0.01
MIAX Pearl	0.29	801	0.24
Texas Stock Exchange LLC	0.16	450	0.11
NYSE National	0.10	269	0.12
CHX	0.04	100	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

0.15 servings per container

Serving size

1.87M

Calories

278.34K

% Day

% Avg

Off Exchange¹ 131K

46.92%

39.70%

NYSE 41K

14.81%

35.70%

IEX 26K

9.49%

4.51%

Cboe EDGX 18K

6.52%

2.00%

Nasdaq GSM 18K

6.37%

7.57%

NYSE Arca 16K

5.67%

3.90%

Cboe BZX 10K

3.57%

3.47%

Cboe BYX 5K

1.82%

0.52%

MEMX 4K

1.40%

1.15%

Cboe EDGA 3K

1.11%

0.48%

Nasdaq PHLX 2K

0.58%

0.10%

NYSE American 1K

0.45%

0.12%

Nasdaq BX 1K

0.40%

0.20%

24X National 865

0.31%

0.01%

MIAX Pearl 801

0.29%

0.24%

Texas Stock Exchange LLC 450

0.16%

0.11%

NYSE National 269

0.10%

0.12%

CHX 100

0.04%

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 130,608, which is 46.92% of today's total volume.
Today's Lit volume is 147,731, which is 53.08%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 39.70%.
The average Lit volume has been 60.30%.

AMTM Volume by Exchange

Off Exchange

NYSE

IEX

Cboe EDGX

Nasdaq GSM

NYSE Arca

Cboe BZX

Cboe BYX

MEMX

Cboe EDGA

Nasdaq PHLX