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AMPH
Amphastar Pharmaceuticals, Inc.
stock NASDAQ

At Close

Jul 16, 2025 3:59:57 PM EDT

21.26USD+0.378%(+0.08)675,721

0.00Bid 0.00Ask 0.00Spread

Pre-market

Jul 16, 2025 8:00:30 AM EDT

21.68USD+2.361%(+0.50)100

After-hours

Jul 16, 2025 4:00:30 PM EDT

21.27USD+0.047%(+0.01)2,315

OverviewOptionsHistoricalDark Pool LevelsShortsMore

AMPH Volume Jul 16, 2025

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	40.14	271,208	38.49
Nasdaq GSM	35.66	240,985	41.10
IEX	5.68	38,372	3.93
NYSE Arca	5.46	36,883	4.97
Cboe BZX	4.03	27,209	3.72
Cboe EDGX	3.78	25,535	2.94
MEMX	1.10	7,407	1.00
NYSE	1.03	6,951	1.53
Cboe EDGA	1.00	6,726	0.52
Nasdaq BX	0.81	5,473	0.47
Cboe BYX	0.56	3,803	0.69
MIAX Pearl	0.34	2,266	0.20
Nasdaq PHLX	0.21	1,452	0.14
NYSE American	0.11	742	0.08
NYSE National	0.05	360	0.17
CHX	0.03	225	0.03
LTSE	0.02	110	0.00

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

AMPH Nutrition Facts

1.33 servings per container

Serving size

506.44K

Calories

675.71K

% Day

% Avg

Off Exchange¹ 271K

40.14%

38.49%

Nasdaq GSM 241K

35.66%

41.10%

IEX 38K

5.68%

3.93%

NYSE Arca 37K

5.46%

4.97%

Cboe BZX 27K

4.03%

3.72%

Cboe EDGX 26K

3.78%

2.94%

MEMX 7K

1.10%

1.00%

NYSE 7K

1.03%

1.53%

Cboe EDGA 7K

1.00%

0.52%

Nasdaq BX 5K

0.81%

0.47%

Cboe BYX 4K

0.56%

0.69%

MIAX Pearl 2K

0.34%

0.20%

Nasdaq PHLX 1K

0.21%

0.14%

NYSE American 742

0.11%

0.08%

NYSE National 360

0.05%

0.17%

CHX 225

0.03%

LTSE 110

0.02%

0.00%

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

chartexchange.com

AMPH Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 271,208, which is 40.14% of today's total volume.
Today's Lit volume is 404,499, which is 59.86%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 38.49%.
The average Lit volume has been 61.51%.

AMPH Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

MEMX

NYSE

Cboe EDGA

Nasdaq BX

Cboe BYX