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AMTM
Amentum Holdings, Inc.
stock NYSE

Market Open

Oct 1, 2026 10:57:05 AM EDT

18.11USD-0.110%(-0.02)203,680

18.10Bid 19.14Ask 1.04Spread

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 10:35:04 AM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	38.98	42,611	39.66
NYSE	23.06	25,206	35.78
NYSE Arca	9.30	10,169	3.91
Cboe EDGX	7.38	8,069	1.99
IEX	6.72	7,345	4.49
Nasdaq GSM	5.30	5,789	7.57
Cboe BZX	3.48	3,809	3.47
Cboe BYX	1.89	2,069	0.52
Cboe EDGA	1.54	1,683	0.48
24X National	0.79	865	0.01
MEMX	0.69	751	1.14
NYSE American	0.28	304	0.12
Nasdaq BX	0.23	251	0.20
MIAX Pearl	0.16	177	0.24
Nasdaq PHLX	0.13	140	0.10
NYSE National	0.06	69	0.12
Texas Stock Exchange LLC	0.00	0	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

0.06 servings per container

Serving size

1.87M

Calories

109.31K

% Day

% Avg

Off Exchange¹ 43K

38.98%

39.66%

NYSE 25K

23.06%

35.78%

NYSE Arca 10K

9.30%

3.91%

Cboe EDGX 8K

7.38%

1.99%

IEX 7K

6.72%

4.49%

Nasdaq GSM 6K

5.30%

7.57%

Cboe BZX 4K

3.48%

3.47%

Cboe BYX 2K

1.89%

0.52%

Cboe EDGA 2K

1.54%

0.48%

24X National 865

0.79%

0.01%

MEMX 751

0.69%

1.14%

NYSE American 304

0.28%

0.12%

Nasdaq BX 251

0.23%

0.20%

MIAX Pearl 177

0.16%

0.24%

Nasdaq PHLX 140

0.13%

0.10%

NYSE National 69

0.06%

0.12%

Texas Stock Exchange LLC 0

0.00%

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 42,611, which is 38.98% of today's total volume.
Today's Lit volume is 66,696, which is 61.02%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 39.66%.
The average Lit volume has been 60.34%.

AMTM Volume by Exchange

Off Exchange

NYSE

NYSE Arca

Cboe EDGX

IEX

Nasdaq GSM

Cboe BZX

Cboe BYX

Cboe EDGA

24X National

MEMX